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Free Shipping Condition: New Location: Fort Lauderdale, United States The LM2903P devices are the next generation versions of the industry-standard LM2903 comparator family. 10 x LM2903P. Friendly Note : Be mindful of the ... moremany, inexpensive, counterfeits available on the market.
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Free Shipping Condition: New Location: United States ✔IP65 WATERPROOF： 300W LED arena lights are made of Die-cast aluminum housing, the floodlight can work well in rain, sleet, snow. Suitable for both indoor ... moreand outdoor, can be applied in gardens, factories, court, stadiums, yard, Warehouse,squares, and any arena.
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$3.19 Shipping Condition: Neu Location: China > 50mA at 12V (> 12mA When Relay Not Operate, > 3mA When The Display Off). Relay Normally Open Port Maximum Load Capacity: DC 0-30V/10A, AC 0-250V/10A. ... moreRelay Normally Closed Port Maximum Load Capacity: DC 0-28V/10A, AC 0-125V/10A.
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Free Shipping Condition: New Location: Houston, United States There is no need to add water to AGM GEL batteries. GEL sealed (Non-Spillable) Batteries requires no addition of water during the life of the battery. ... moreThe performance and characteristic of Gel Battery.
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Free Shipping Condition: New Location: China
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$3.00 Shipping Condition: New Location: China Using infrared reflective sensor TCRT5000. Obstacle detection. A fixed bolt holes for easy installation. We will try our best to avoid any quality problem. ... moreBlack and white line detection. Fax paper shredders detection.
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Free Shipping Condition: New Location: Denver, United States 5 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino Raspberry Pi 3 Smart Car Robot. ... moreIncluded Components IR Infrared Obstacle Avoidance Sensor Module.
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$3.40 Shipping Condition: New Location: China Item Description: The light sensor module have strong adaptable to the environment. Having a pair of infrared transmitter and receiver, transmitter launch ... morea certain frequency infrared, when meet obstacle in the detection direction, the infrared receiver is reflected back by the receiver tube, after processing through the comparator circuit, the green indicator light will illuminate while the signal output interface output digital signal(a low-level signal) can be adjusted via potentiometer knob detection distance, the effective distance range 2 ~ 30cm, working voltage is 3.3V-5V. The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other occasions. Parameter: 1. When the module detects an obstacle in front of the signal. The circuit board green indicator light levels while continuing output low signal OUT port, the module detects the distance 2 ~ 30cm, detection angle 35 °, the distance can detect potential control to adjust, adjust potentiometer clockwise, the detection distance increases; counterclockwise adjustment potentiometer, detection distance decreases. 2. The sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The minimum detection distance which black and white max; small area of the object distance is small, a large area from the Grand. 3. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO 4. The comparator using LM393, job stability; 5. Can be 3-5V DC power supply for the module. When the power is turned on, the red power indicator light; 6. With 3mm screw holes for easy mounting, installation; 7. The circuit board size: 3.2CM* 1.4CM 8. Each module in the delivery has threshold comparator voltage adjus
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$2.84 Shipping Condition: New Location: China Raindrops Detection Sensor Modue. Description Voltage: 5 v Power light. The output signal LED lamp. TTL level output. TTL output effective signal is low ... morelevel;drive capability approxmately 100 mA, can directly drive relay, buzzer, small fan, and so on. Sensitivity can be adjusted through the potentiometer. When it is no rain. The LED light output high level; When rain drops on,it output low level, the LED light. Raindrops board and control board are separated. Convenient to wire leads. The raindrops plates has large area. More conducive to detect the rain. The board with location hole. Convenient installation. Control panel board size: 3.2cm* 1.6 cm. Large area rain test plate size: 5.4 cm* 4.0 cm Packing List: 5Pcs raindrop induction plate and the control board(with 5pcs 20cm Dupont cable) Payment 1.We accept Paypal only. 2.Please confirm your ebay shipping address is exact after payment. 3.If your purchased is more than £30.00. Please offer your phone number with shipping address. Delivery details 1.All item will be shipped by Airmail post within 1 business days. It takes approximately 15-25 days(USA.CA,AU,UK,DE)other country 15-35 days. 2.Express by EMS.It must add 25 USD shipping fee, it takes 5-10 workdays for delivery.If you need other Epxress(DHL,Fedex.UPS etc.please contact us to talk about shipping fee. 3.Once you purchase. Please DONOT leave negative, neutral feedback or open any case if you have not received item in 30 days, because we have mentioned the shipping time repeatedly. Contact us 新建网页 2 1.We offer retail and wholesale services. We can provide products in accordance with your requirements. If you have any questions or something to consult. Please send us ebay message. 2.All messages will be answered within 1 business day. If you do not receive our reply. Please kindly re-sent your message and we will reply to you as soon as possible. 3.Our aim is to provide Top Level Customer Service. Business hours are 9am to 6pm Beijing time(+8 GMT) Monday to Friday. Engineered for professio
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$2.99 Shipping Condition: New Location: China It is composed of an infrared light-emitting diode and an NPN infrared photoelectric triode. The detection reflection distance of 1 mm to 25 mm is applicable. ... moreThe sensor is equipped with an M3 fixed mounting hole.
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Free Shipping Condition: New Location: Denver, United States 15 Pieces IR Infrared Obstacle Avoidance Sensor Module 3-Wire Reflective Photoelectric Sensor Module Compatible with Arduino Raspberry Pi 3 Smart Car ... moreRobot. Included Components IR Infrared Obstacle Avoidance Sensor Module.
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Free Shipping Condition: New Location: China Infrared Reflective Sensor. Reflective infrared Transceiver. Infrared Reflective Sensor × 1. Adjustable sensitivity. Signal output indicator. Power: 3.0V ... more~ 5.3V. Obstacle-avoiding car. 4-pin custom connector jumper wire × 1.
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$2.99 Shipping Condition: New Location: China It is composed of an infrared light-emitting diode and an NPN infrared photoelectric triode. The detection reflection distance of 1 mm to 25 mm is applicable. ... moreThe sensor is equipped with an M3 fixed mounting hole.
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Free Shipping Condition: New Location: Hacienda Heights, United States SAFE OUTDOOR POWER STATION AND PURE SINE WAVE: Better than modified sine wave and clean power like utility supplied electricity.
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$3.59 Shipping Condition: Brand New Location: China Description:1.A fixed bolt holes for easy installation.2.Sensor can sense changes in body angle.3.The comparator output, signal clean, good waveform, ... moredriving ability is strong, for more than 15 ma.4.Using the highly sensitive switch SW-520D as the angle sensor. Using a wide voltage LM393 comparator. Specification:Working Voltage: 3.3V - 5VOutput Form: Digital Switch Output (0 and 1)Small Board PCB Size: 37mm x 14mm x 7mmTotal Length: 51mm Package Content:5pcs x Angle Sensor Module Module for use:1.Switch module output depends on the angle of the switch is turned on and off, when the angle switches off, DO output high, angle switch is turned on, DO output low.2.The output can be directly connected to the microcontroller through the microcontroller to detect high and low, thereby detecting the angle change.3.
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Free Shipping Condition: New Location: Secaucus, United States Specification: Model Name: V SHAPED FA8 T8 LED Tube Light Double end Power Length: 8FT / 96Inch / 2400MM / 2.4M Base: FA8 Voltage: AC85-277V LED Source: ... more2835SMD LED Quantity: 576pcs Power: 90W Lumen: 110LM/W Housing material: Aluminum Drive: Built-in drive PC cover: Clear Life: 50,000 hours Color temperature: 5000K Warranty: 3 Years.
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Free Shipping Condition: New Location: Houston, United States Model Number:YTX30L-BS (YIX30L ; GYZ32HL ; 53030). Capacity: 30Ah. The performance and characteristic of Gel Battery There is no need to add water to ... moreAGM GEL batteries. A battery only requires a little monthly maintenance to perform perfectly.
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$3.00 Shipping Condition: New Location: China Recommendations For You ARM MCU NEW SD Card Module Slot Socket Reader HC-SR501 Human Sensor Module Pyroelectric Infrared Digital Humidity& Temperature ... moreSensor DHT11 HC-06 Master Wireless Bluetooth Transeiver RF Module 1602 HD44780 Character Display yellow blacklight 2.4GHz NRF24L01 + Antenna Wireless Transceiver Visit my eBay Store: ChipWorld Product Name: NEW Digital Thermal Sensor Module Temperature Sensor Module for Arduino SKU: 299 6 Parsts No. Package: Brand: Quantity: 1 Module Features: 1. using the NTC thermistor sensor. Good sensitivity 2. the comparator output signal clean waveform is good. Driving ability, than 15mA. 3. adjust the temperature distribution bit detection threshold 4. Working voltage 3.3V-5V 5. the output format: Digital switching output(0 and 1) 6. with bolt holes for easy installation 7. a small board PCB size: 3.2cm x 1.4cm 8. using a wide voltage LM393 comparator Module for use 1. the thermal resistance of the module is very sensitive to the ambient temperature. Generally used to detect the ambient temperature; 2. through the adjustment of the potentiometer. Can change the temperature detection threshold(ie, temperature control value) if necessary to control the ambient temperature is 50 degrees, the module in the corresponding ambient temperature to which the green light, DO output is HIGH level falls below the set temperature value, the output is high, the green light does not shine; 3. DO output can be directly connected with the microcontroller through the microcontroller to detect high and low. Thereby detecting the ambient temperature changes; 4. DO OUR outputs can directly drive the relay module. Which can be composed of a thermostat to control the operating temperature of related equipment can also be connected to the fan used to heat and other; 5. the detection range of the module's temperature 20-80 °C; 6. this module can also be replaced with a wire temperature sensor for water temperature. Water tank controlled. For more quantity. Please contact me.
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$3.73 Shipping Condition: Neu Location: China Output state indicator lights. Module DO connected to the relay, composed of the limit switch functions can also be connected to the active buzzer module, ... morecomposed of the alarm. Module slot unobstructed, receiver tube conduction module DO output low, shelter, DO output high.
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$2.99 Shipping Condition: New Location: China Instructions for use The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA. A fixed bolt hole for easy installation. ... moreConnection mode How to use Board with positioning holes to facilitate installation.
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Free Shipping Condition: New Location: China Active infrared reflection detecting sensor, therefore the reflectivity and shape of the target is the key of the detection range. when signal module ... morewithout obstacles ahead, the OUT port (5V) output level continuously.
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$2.99 Shipping Condition: New Location: China Comparator using LM393 chip, work stable. the photosensitive resistance module is most sensitive to ambient light, generally used to detect brightness ... moreof ambient light, trigger MCU or relay module etc.;.
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$5.00 Shipping Condition: New Location: China High sensitive Vibration Sensor Module Alarm Sensor Module Vibration Switch SW-18010P. Module Features: 1. The use of the company's high sensitivity ... morevibration switch, default by SW-18010P vibration sensors. 2. The comparator outputs a signal clean, good waveform driving ability, over 15mA 3. The working voltage 3.3V-5V 4. The output format: digital switching output(0 and 1) 5. A fixed bolt holes for easy installation 6. Small plate PCB size: 3.2cm x 1.4cm 7. Using a wide voltage LM393 comparator Package: 1X vibration sensor. We only accept PAYPAL payment. We will ship to address provided by PAYPAL.If you need to change your address.Please change it in PayPal first as we will only ship to your PAYPAL address. Make sure your detail address and full name in PayPal is absolutely correct. After you have won an auction we will send you a confirming email. Payment must be recieved within 7 days after auction ended. Most of items will be shipped via hongkong airmail/Singapore airmail/swiss airmail All items will be shipped within 1-2 working days after payment received and cleared(excluding sat.Sun&Holiday) Import duties.Taxes and charges are not included in the item price or shipping charges.These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying Warranty: 30-day-warranty from the dispatched date. Please contact us through email before returning defective item. Buyers are responsible for the returning shipping costs under any circumstances. Return items should include the original packaging and accessories. Please contact us before leaving a negative feedback. Giving us a chance to resolve your problem. Once you leave positive feedback for us. We will return the same to you immediately: 1.Any inquiry or question before you bid or after please feel free to contact us by eBay we will try to reply you within 24hours.If no response for you within 48hours,pls check the spam in your mail box. 2.All
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$3.00 Shipping Condition: New Location: China 2, the sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The minimum detection distance ... morewhich black and white max; small area of the object distance is small, a large area from the Grand.
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$11.07 Shipping Condition: Used Location: Fitchburg, United States Balluff Micropulse AT BTL6-A110-M0508-A1-S115. Los envíos pesadospueden requerir más tiempo para construir cajas de envío de madera. We may be able to ... morehelp. Envíos durante la noche, no hay problema.
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$3.50 Shipping Condition: New Location: China On Sales Wholesale Parts! $14.35+ free shipping $10.40+ free shipping $ 14.25+ free shipping $ 50.94 + free shipping $6.46 + free shipping $3.24+ free ... moreshipping Product Name: 2pcs Obstacle Avoidance Sensor Reflection Photoelectric Module Infrared Sensor Module description: The sensor module light is adaptable to the environment. It has a pair of infrared transmitting and receiving tube, tube infrared emit a certain frequency, when detecting direction meet with obstacles(reflecting surface) reflected infrared receiving tube, after the comparator circuit processing, green indicator will light up, at the same time signal output interface to output digital signal(a low level signal) can be through the potentiometer knob adjust the detection distance, effective distance range 2 ~ 30cm, working voltage is 3.3V to 5V. The sensor detection range can be through the potentiometer to adjust and have small interference, easy to assemble, easy to use, etc, can be widely used in robot obstacle avoidance, obstacle avoidance car, line count, and black and white line tracking and so on many occasions. Module parameters: 1. when the module detects obstacles in front of the signal. The green indicator on the circuit board light level and at the same time the OUT port output low level signal, the detection module from 2 ~ 30cm, 35°detection Angle, test distance can be adjusted through the potentiometer, adjustable potentiometer clockwise, the detection distance increases; Counter-clockwise tuning potentiometer, detection distance is reduced. 2. sensors. Active infrared reflection detection, therefore the reflectivity and shape of the target is the key of the detection range. White one black detection range, minimum maximum; Small area of the object distance, large distance. 3. the sensor module output port OUT can be directly connected to the microcontroller IO port can. Also can drive a 5v relay directly; Connection mode: the VCC- VCC; GND- GND; The OUT- the IO 4. the comparator USES the LM393. Working stability; 5. can
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$2.84 Shipping Condition: New Location: China OverView The item is for Arduino robot kit. Raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and converted into the ... morenumber of the reference signal and the AO output. Product description: 1. The sensor uses the FR-04 high-quality double-sided materials, King Size 5.0* 4.0CM, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity; 2. The comparator output, the signal is clean, waveform, driving ability over 15mA; 3. Distribution bit to adjust sensitivity; 4. Operating voltage 3.3V-5V 5. The output in the form: digital switching outputs(0 and 1) and analog AO voltage output; 6. A fixed bolt hole for easy installation Small board PCB size: 3.2cm x 1.4cm 8. Wide voltage LM393 comparator. Features: 1. Connected to 5V power supply. The power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch, 2.Brush off the the above water droplets. Has returned to output high state. 3.AO analog output can be connected to the microcontroller AD port to detect the size of the drops in the above rainfall. 4.DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain. PINs Descripption: 1. VCC: positive power supply(3-5V) 2. GND: negative one. 3. DO: TTL switching signal output 4. AO: Analog signal output. Terms and Conditions Payment: PayPal is the only method of payment that we accept. Shipping: 1.Please confirm your address in paypal. Including your Phone number! 2.All items will be shipped within 72 working hours on receipt of cleared payment and We ship items to Worldwide. 3.To USA:via ePACKET Express Shipping.It usually takes 8-15 working days to receive. 4.To Taiwan.Macao and Hongkong:via SF-Express,it usually takes 1-4 working days to receive. Contact the seller first. 5.To South America:via HONGKONG post.SWISS POST,UK POST or Singapore POST,it usually takes 15-45
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Free Shipping Condition: New Location: Raleigh, United States With power indicator (red) and digital switching output indicator (green). DO: digital output interface(0 and 1). AO: analog output interface. Note: Light ... moreshooting and different displays may cause the color of the item in the picture a little different from the real thing.
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Free Shipping Condition: New Location: Whippany, United States Despite its compact size, it provides your cat with a generous 65L toilet space. This litter box must be placed on solid and flat ground. Suitable for ... moreplant litter, mixed litter, bentonite sand, ore litter.
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Free Shipping Condition: New Location: United Arab Emirates RHOMBERG BRASLER SLIMLINE SP-231 VOLTAGE WINDOW COMPARATOR NEW
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$3.00 Shipping Condition: New Location: China Using infrared reflection sensors TCRT5000. TCRT5000 sensor of infrared emission diode constantly launch infrared. Fax machine, shredder paper detection. ... moreObstacle detection. the infrared ray is emitted when the intensity of reflected back has not been reflected or but is not big enough.
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$2.99 Shipping Condition: New Location: China 1, Using sensitive photosensitive resistance sensor. Module Features 2,The comparator output signal is clean, good waveform, driving ability, more than ... more15mA. 6,A fixed bolt holes for easy installation.
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$4.99 Shipping Condition: New Location: Millersport, United States 1, using sensitive type photosensitive resistance sensor. Light intensity detection, the light brightness sensor, smart car light module. 4, the DO output ... morecan be directly driven our relay module, which can form a light-operated switch.
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$2.99 Shipping Condition: New Location: China DC 5V-18V Light Sensor Control Switch Module Photoswitch Day Off/ Night Work Description Features: It can detect the intensity of the light through the ... morephotosensitive member. For the lamps, the automatic switch of the lamp can be achieved• Sensitivity can be arbitrarily adjusted according to your own requirements• It can also be used in the camera's infrared lamp switch. Or switching the daytime, evening, cameras• Can be used for security monitoring field. Many electronic DIY. Scientific research,factory e ssential. Specifications: Work Voltage: DC 5V ~ DC 18V• Quiescent current: About 3MA• Maximum current: 3A(max) Off in the day. On in the Night• SIZE: 49*27* 15mm• Easy to connect. But make sure it is right connected, just like the picture; and the Light control switch need to be away from the light source. Light control switch is good for making a solar light system. No Waterproof Note: Output connected load can not be short-circuited. Otherwise it will burn switch circuit• Light control switch should be placed in areas not according to the output light. Since this will form a positive feedback with the output light, there is present such as flashing lights Package 1* DC 5V-18V Light Sensor Control Switch(To save your shipping charge& to be environmentally friendly. No original package included. Protected well in buble bags) Shipping Payment Refund About us Contact us Ⅰ.We ship your orders via Post Airmail within 1-2 business days after the payment cleared. Ⅱ. 10-25 days to most countries via HK post airmail. Ⅲ. USA buyer also can choose epacket service. 7-15 days to arrive you. Ⅳ. Delivery time depends on destination. Weather, customs and other factors, sometimes it will require a bit longer. If you don't receive the item after 25 days, please contact us, we'll investigate and solve the delivery problem. Ⅰ.Payment methods accepted: Paypal only. Ⅱ. All major credit cards are accepted through our secure payment processor PayPal. Ⅲ. Payment must be received within 7 business d
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Free Shipping Condition: New Location: Bordentown, United States Features Item Description: The light sensor module have strong adaptable to the environment. Having a pair of infrared transmitter and receiver, transmitter ... morelaunch a certain frequency infrared, when meet obstacle in the detection direction, the infrared receiver is reflected back by the receiver tube, after processing through the comparator circuit, the green indicator light will illuminate while the signal output interface output digital signal(a low-level signal) can be adjusted via potentiometer knob detection distance, the effective distance range 2 ~ 30cm, working voltage is 3.3V-5V. The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other occasions. Parameter: 1. When the module detects an obstacle in front of the signal. The circuit board green indicator light levels while continuing output low signal OUT port, the module detects the distance 2 ~ 30cm, detection angle 35 °, the distance can detect potential control to adjust, adjust potentiometer clockwise, the detection distance increases; counterclockwise adjustment potentiometer, detection distance decreases. 2. The sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The minimum detection distance which black and white max; small area of the object distance is small, a large area from the Grand. 3. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO 4. The comparator using LM393, job stability; 5. Can be 3-5V DC power supply for the module. When the power is turned on, the red power indicator light; 6. With 3mm screw holes for easy mounting, installation; 7. The circuit board size: 3.2CM* 1.4CM 8. Each module in the delivery has threshold comparator volt
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Free Shipping Condition: New Location: Bordentown, United States 20 IR Infrared Obstacle Avoidance Sensor Module. 1, When the module detects an obstacle in front of the signal, the green indicator lights on the board ... morelevel, while the OUT port sustained low signal output, the module detects the distance 2 ~ 30cm.
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$2.99 Shipping Condition: New Location: 龙岗区, China 5pcs x Infrared obstacle avoidance modul. active infrared sensors to detect the reflected, and thus the shape of the reflectivity of the target detection ... morerange is critical. The minimum detection distance which black, white maximum ; small objects from a small area, a large area from the Grand.
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$1.99 Shipping Condition: New Location: China 2 using 3144E switch type Holzer sensor. 1PC 3144E Hall Effect Sensor Switch 3.3--5V Speed Counting Sensor Magnetic Detector. 3 when the sensor sensor ... moreto the magnetic field, the digital output low, the signal light is bright; if no induction to the magnetic field, then the digital output high level, the signal light is not bright.
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Free Shipping Condition: New Location: China Output level: rail-to-rail output, which can directly drive TTL/CMOS level. Input frequency: DC-120MHz. Interface Form: SMA (Outer Screw Inner Hole).
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Free Shipping Condition: New Location: Secaucus, United States Specification: Model Name: FA8 T8 LED Tube Light Double end Power Length: 8FT / 96Inch / 2400MM / 2.4M Base: FA8 Single Pin Voltage: AC85-277V LED Source: ... more2835SMD LED Quantity: 192PCS Power: 45W Lumen: 120LM/W Material: Aluminum + Plastic Drive: Built-in drive Power Factor: >0.95 Working temp: -30℃~ +50℃ PC cover: Milky or Clear Color temperature: Daylight White 5000K, Cold White 6000K Life: 50,000 hours Warranty: 3 Years.
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$9.98 Shipping Condition: New Location: Canada
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Free Shipping Condition: New Location: Raleigh, United States Using the NTC thermistor sensor, good sensitivity. 5 X KY-028 Digital Temperature Module. adjust the temperature distribution bit detection threshold. ... morethe output format : Digital switching output (0 and 1).
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Free Shipping Condition: New Location: United States Item Description Features: The item is for Arduino robot kit. Raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and ... moreconverted into the number of the reference signal and the AO output. Product description: 1. The sensor uses the FR-04 high-quality double-sided materials. King Size 5.0* 4.0CM, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity; 2. The comparator output. The signal is clean, waveform, driving ability over 15mA; 3. Distribution bit to adjust sensitivity; 4. Operating voltage 3.3V-5V 5. The output in the form: digital switching outputs(0 and 1) and analog AO voltage output; 6. A fixed bolt hole for easy installation 7. Voltage: 5V 8. Power indicator. The output signal LED indicator. 9. TTL-level output. TTL output valid signal is low. Driving capability 100MA so, can directly drive relays, buzzer, a small fan, and so on. 10. Sensitivity can be adjusted via potentiometer 11. LED lights up when there is no rain output is high. Raindrop up, the output ground level, LED light. 12. Raindrops and control panels are separate. Easy to wire leads. 13. A large area of rain board. More conducive to detect rain. 14. Board with positioning holes to facilitate installation 15. Small board PCB size: 3.2cm x 1.4cm 16. Wide voltage LM393 comparator How to use: Connected to 5V power supply. The power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch, Brush off the the above water droplets. Has returned to output high state. AO analog output can be connected to the microcontroller AD port to detect the size of the drops in the above rainfall. DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain. Connection mode: 1. VCC: positive power supply(3-5V) 2. GND: negative one. 3. DO: TTL switching signal output 4. AO: Analog signal output Package Incl
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$2.84 Shipping Condition: New Location: China TCRT5000 IR Barrier Line Track sensor Infrared Reflective Photoelectric Switch. Module features:1, using infrared reflection sensors TCRT5000. 6, output ... moreform: digital switch output (0 and 1)
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$3.40 Shipping Condition: New Location: China Interface chip/clock timing. Module High precision, blind spots (2cm) super close. IOT/Functional Module. Using IO trigger distance, the high signal to ... moreat least 10us. Audio device/micro motor. Module works.
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Free Shipping Condition: New Location: Fort Collins, United States The communication interface is a standard SPI interface. MISO, MOSI, SCK: SPI bus. Supports Micro SD and Micro SDHC cards (high speed card). The level ... moreconversion circuit board can interface with 5V or 3.3V levels.
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$2.99 Shipping Condition: New Location: China Module use precautions. Variable resistor resistance value: 4K ohms.
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$3.50 Shipping Condition: New Location: China Arduino Module. Electronic Component. Raspberry Pi. small plates PCB size: 3.2cmx1.4cm.
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$3.00 Shipping Condition: New Location: China Features Item Description: The light sensor module have strong adaptable to the environment. Having a pair of infrared transmitter and receiver, transmitter ... morelaunch a certain frequency infrared, when meet obstacle in the detection direction, the infrared receiver is reflected back by the receiver tube, after processing through the comparator circuit, the green indicator light will illuminate while the signal output interface output digital signal(a low-level signal) can be adjusted via potentiometer knob detection distance, the effective distance range 2 ~ 30cm, working voltage is 3.3V-5V. The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other occasions. Parameter: 1. When the module detects an obstacle in front of the signal. The circuit board green indicator light levels while continuing output low signal OUT port, the module detects the distance 2 ~ 30cm, detection angle 35 °, the distance can detect potential control to adjust, adjust potentiometer clockwise, the detection distance increases; counterclockwise adjustment potentiometer, detection distance decreases. 2. The sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The minimum detection distance which black and white max; small area of the object distance is small, a large area from the Grand. 3. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO 4. The comparator using LM393, job stability; 5. Can be 3-5V DC power supply for the module. When the power is turned on, the red power indicator light; 6. With 3mm screw holes for easy mounting, installation; 7. The circuit board size: 3.2CM* 1.4CM 8. Each module in the delivery has threshold comparator volt
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$2.99 Shipping Condition: New Location: China Adopt sensitive photoresistor sensor. Photoresistor Model. Small board analogue output AO can be connected to the AD module, through the AD conversion, ... moreyou can get the accurate value of the ring pewee strong thing.
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$3.00 Shipping Condition: New Location: China 2 using 3144E switch type Holzer sensor. 3 when the sensor sensor to the magnetic field, the digital output low, the signal light is bright; if no induction ... moreto the magnetic field, then the digital output high level, the signal light is not bright.
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$2.99 Shipping Condition: New Location: China Instructions for use The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA. A fixed bolt hole for easy installation. ... moreHow to use Board with positioning holes to facilitate installation.
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Free Shipping Condition: New Location: United States Fax machine, shredder paper detection. Obstacle detection. Using infrared reflection sensors TCRT5000. Air Filter Fit P821575 P822858 M131802 M144100 ... moreM164264 MIU12457 PMAF25551 US. Has a fixed bolt hole, convenient installation.
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$2.78 Shipping Condition: Neu Location: China This is a summary of the humidity sensor, which can be used to detect soil humidity. When the soil is dry, the module emits a high level and outputs a ... morelow level. The photoresistor module is the most sensitive to ambient light, and is generally used to detect the brightness of the ambient light, trigger the single-chip microcomputer or relay module, etc.;.
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$3.00 Shipping Condition: New Location: China Module Features Module for use We will leave it for everyone that leaves it for us. small plates PCB size: 3.2cmx1.4cm.
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$2.54 Shipping Condition: Neu Location: China Product use: Rain, Rain Sensor, can be used for all kinds of Weather Monitoring, and Translated into output Signals and AO. The Comparator Output, signal ... moreclean, good waveform, Driving Ability is strong, for more than 15 mA;.
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Free Shipping Condition: New Location: China
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