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Free Shipping Condition: New Location: China The reverse use of semiconductor refrigeration fins is thermoelectric power generation. Semiconductor refrigeration fins are generally suitable for power ... moregeneration in the middle and low temperature areas.
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$2.99 Shipping Condition: New Location: China ZPH02 Dust PM2.5 Sensor. ZPH02 Dust VOC and PM2.5 Sensor. With PWM, UART digital serial interface (customizable IIC interface output mode). Output mode: ... moreUART (9600, 1Hz ± 1%), PWM (cycle: 1Hz ± 1%). VOC detection gas total categories: CH2O, C6H6, CO, H2, NH3.
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Free Shipping Condition: New Location: China Size: Approx. 40x40mm / 1.6x1.6in. The reverse use of semiconductor refrigeration fins is thermoelectric power generation. Semiconductor refrigeration ... morefins are generally suitable for power generation in the middle and low temperature areas.
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Free Shipping Condition: New Location: Hong Kong SAR China Brand FUJI MPN 2MBI600NT-060 Model 2MBI600NT-060 UPC Does not apply.
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Free Shipping Condition: New Location: China 1pcs IR Infrared obstacle avoidance sensor module for Arduino Smart Car Robot Click to Enlarge Click to Enlarge Description: 1. When the module detects ... morean obstacle in front of the signal. The green indicator light on the board level, while low-level continuous output signal OUT port, the module detects the distance 2 ~ 30cm, detection angle 35 °, the distance can detect potential is adjusted clockwise adjustment potentiometer to detect the distance increases; counterclockwise to adjust the potentiometer to reduce the detection distance. 2.active infrared sensors to detect the reflected. And thus the shape of the reflectivity of the target detection range is critical. The minimum detection distance which black, white maximum; small objects from a small area, a large area from the Grand. 3. the output port OUT sensor module can be directly connected to the microcontroller IO port. You can directly drive a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO 4.using the comparator LM393. Stable; 5.can be used for 3-5V DC power supply modules. When the power is turned on. The red power indicator light; 6. with the screw holes of 3mm. Easy fixed installation; 7. board size: 3.1CM* 1.5CM 8. each module shipments comparing the threshold voltage has been adjusted by the potentiometer is good. Not exceptional circumstances, do not arbitrarily adjust the potentiometer. Interface Description(3-wire) 1. VCC: external 3.3V-5V voltage(can be directly connected to 5v MCU and 3.3v MCU) 2. GND: GND External 3. OUT: small board digital output interfaces(0 and 1) What's in the package: 1PCS* IR Infrared Obstacle Avoidance Sensor Module Feedb ack: 1. If you are satisfied with our goods and service. Please leave us a positive feedback and rate the details of the transaction(Detailed Seller Ratings) with a"PERFECT 5 STARS" 2. Your satisfaction is our goal. Please send us eBay message before leaving any 1 or 2 ratings. Neutral, negative feedback or open any dispute. We am sure that we will give you a satisfi
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