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$3.50 Shipping Condition: New Location: China STM32F401CCU6 MicroUSB. STM32F401RCT6 Type-C. It is rich in resources, backed by powerful resources provided by STMicroelectronics. Product introduction ... moreReady-made communication interfaces: Type-C USB, SWD, USART (A9:TX A10:RX).
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$3.99 Shipping Condition: New Location: China 1 x ADF4355 core board only. - RF output frequency range: 54 MHz to 6,800 MHz. - RF output mute function. - Three-wire serial interface. - Analog and ... moredigital lock detection. - High resolution 38-bit modulus.
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$15.00 Shipping Condition: New – Open box Location: Canada The ADF4360-1 is designed for a center frequency of 2250 MHz. In addition, a divide-by-2 option is available, whereby the user gets an RF output of between ... more1025 MHz and 1225 MHz. Integer-N synthesizer.
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Free Shipping Condition: Brand New Location: China 1: Press and hold the BOOT0 button and the reset button under the power-on state, then release the reset button, and release the BOOT0 button after 0.5 ... moreseconds. Boards with version V1.3 and above have 3 buttons, reset button, BOOT0 button, and user buttons.
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Free Shipping Condition: Brand New Location: China Serial port mode: use USB to serial port to connect PA9 and PA10 of the core board. 2: Hold down the BOOT0 key when power is off, and release the BOOT0 ... morekey 0.5S after power on. Boards with version V1.3 and above have 3 buttons, reset button, BOOT0 button, and user buttons.
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$3.19 Shipping Condition: Neu Location: China BEETLE BadUSB Black. BadUSB virtual keyboard. Card Type: SDHC. Micro USB: 1. 1 x USB microSD virtual keyboard. ESP-12EBadUSB virtual keyboard. Initialization, ... moreSD, card. initialization, failure, thing, to, check.
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$3.88 Shipping Condition: New Location: 龙华区, China It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, ... morea USB connection, a power jack, an ICSP header, and a reset button.
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$3.19 Shipping Condition: Neu Location: China 1 51 MCU (programming program). 1 point for each correct answer, for a total of 10 points. 1: Double-sided wiring, the pads are sprayed with tin and the ... morepads processed by the tin process are enlarged, which can withstand repeated desoldering and is not easy to fall off;.
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$5.00 Shipping Condition: New Location: China YF-BKT050V15A 0.5-15A/3-52V Step up down Converter Buck Boost Converter Board. 2: The ripple current of the boost output capacitor is large, and the ripple ... morecurrent of the step-down input capacitor is large, which reduces the capacitor heating and prolongs the life.
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$3.74 Shipping Condition: Neu Location: China The power board can be removed from the TV for independent maintenance. So on the +24V output end you can connect a 36V light bulb of an electric bicycle ... moreas a dummy load (or connect a motorcycle bulb on the +12V output end as a dummy load).
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$3.59 Shipping Condition: New Location: China NY PLATFORM products MAINLY INCLUDE Regulated DC Power Supply. Switching Power supply, Power Inverter, Soldering/Rework Station, SMD Hot air rework station, ... moreSMD Antistatic Lead free soldering station& Accessories, Digital Storage Oscilloscopes, Testing meters and instruments& Accessories, Power Tool Battery& Accessory etc. NY PLATFORM SUPPLIES HIGH-quality products. PROVIDES specialty technical support and DELIVERS SERVICE GUARANTEES TO ENSURE CUSTOMER SATISFACTION. WITH THESE competitive advantages, WE NOT ONLY continue to broaden product CATEGORIES to LEAD in highly competitive marketS, BUT ALSO SUCCEED to STRENGTHEN OUR PARTNERSHIPS WITH VARIOUS CHANNELS IN emerging marketS. AS ALWAYS, We strive to OFFER our customers THE BEST integrated solutionS and BEST-IN-CLASS service. DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module For Arduino. Low-cost. Extremely accurate I2C real-time clock(RTC) with an integrated temperature-compensated crystal oscillator(TCXO) and crystal. The device incorporates a battery input. Disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. DS3231 available in commercial and industrial temperature ranges. Using a 16-pin 300mil SO package. RTC maintains seconds. Minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. Clock operates in either the 24 hours or band/ AM/ PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures. Provide a reset output, and if necessary, automatically switch to the backup power supply. RST pin is monitored as gener
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$3.20 Shipping Condition: New Location: China DS3231 is a low-cost. Extremely accurate I2C real-time clock(RTC) with an integrated temperature-compensated crystal oscillator(TCXO) and crystal. The ... moredevice incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package. RTC maintains seconds. Minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. The clock operates in either the 24 hours or band/ AM/ PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures. Provide a reset output, and if necessary, automatically switch to the backup power supply. In addition, RST pin is monitored as generating μP reset manually. Save time and high precision addition. DS3231 also has some other features that extend the system host of additional features and a range of options. The device integrates a very precise digital temperature sensor, through the I2C* interface to access it(as the same time) This temperature sensor accuracy is ± 3 ° C. On-chip power supply control circuit can automatically detect and manage the main and standby power(i.e. low-voltage battery) to switch between the power supply. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. When the main power re-power or voltage value returns to within the allowable range, the on-chip reset function can be used to restart the system microprocessor. Module parameters: 1 Size: 38mm(length)
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Free Shipping Condition: New Location: China Regarding software download and firmware download, there are a lot of information on the Internet. V1.3 version serial port download and DFU download: ... moreconnect the serial port to PA9, PA10 (connect to usb in dfu mode), press and hold the BOOT0 button and the reset button, then release the reset button, release the BOOT0 button after 0.5 seconds, and you can enter the serial port download or DFU Download, the corresponding software is flymcu or CubeProg.
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$42.42 Shipping Condition: Brand New Location: China For more commands refer to: "CH9329 chip serial communication protocol.PDF" in CH9329EVT.ZIP. Serial module and hid module connection: 5V, TX, RX, GND. ... moreplug into the computer usb interface, in the computer will see the hid module simulation out of the device, represents a successful connection.
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$2.99 Shipping Condition: New Location: China Module nature: non-isolated buck (BUCK). Output current: 2A(max). Output ripple: 30mV(max).
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$3.74 Shipping Condition: Neu Location: China The power board can be removed from the TV for independent maintenance. So on the +24V output end you can connect a 36V light bulb of an electric bicycle ... moreas a dummy load (or connect a motorcycle bulb on the +12V output end as a dummy load).
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$7.00 Shipping Condition: New Location: 罗湖区, China Available in 8-Pin Plastic DIP or SO. Australia/New Zealand 10 -15d West Asia/Middle East 15-25d. United Kingdom 10 -20d Italy 10-30d. East/South Asia ... more10 -15d France/West Asia 10-25d. USA/Canada 10 -15d Spanish/Portugue 10-25d.
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$25.00 Shipping Condition: New Location: Belarus DAC, and 2 comparators.
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$5.34 Shipping Condition: Neu Location: China 1 x ADF4355 core board only. - RF output frequency range: 54 MHz to 6,800 MHz. - Logic compatibility: 1.8 V. - RF output mute function. Am 17.12.20 hat ... moreder Verkäufer die folgenden Angaben hinzugefügt.
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$10.00 Shipping Condition: New Location: China 1MHz-6GHz HackRF One R9 Software Defined Radio SDR V1.7.0 with Aluminum Alloy Housing & Antennas. Upgrades of HackRF One R9 - HackRF One is a Software ... moreDefined Radio peripheral capable of transmission or reception of radio signals from 1 MHz to 6 GHz.
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$2.78 Shipping Condition: Neu Location: China If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. 4 clock chip: high-precision ... moreclock chip DS3231. 5 x DS3231 module. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format.
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$3.69 Shipping Condition: New Location: China 10pcs Type-C Female base. Life test: 10000 cycles. 26pcs Mini Micro Hand Drill Bits Small Manual Keyless Chuck Pin Vise Rotary Tool. 2x RC Trailer Hook ... moreWith Tow Chain For Axial SCX10 CC01 RC4WD D90 1/10 RC Car.
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Free Shipping Condition: New Location: China IC model (optional): STM32F401CEU6/ STM32F411CEU6. Ready-made communication interfaces: Type-CUSB, SWD, USART (A9:TXA10:RX). Regarding software download ... moreand firmware download, there are a lot of information on the Internet.
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$3.00 Shipping Condition: New Location: China The input and output currents should be within 32A. - Input current is up to 40A. 3: The ripple current of the boost output capacitor is large, and the ... moreripple of the buck input capacitor is large. Thus, LC filter can be added by users.
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$5.34 Shipping Condition: Neu Location: China Dual Channel DDS Function Signal Generator Frequency Counter w/ 3.2" LCD FY6200-60M 60MHz. It adopts large-scale FPGA integrated circuit and high-speed ... moreMCU microprocessor, the internal circuit uses high-precision active crystal oscillator as the reference, and the signal has high stability.
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$7.00 Shipping Condition: New Location: China
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$3.00 Shipping Condition: New Location: China Software: STM32CubeProg and WeAct Studio Download Tool. WeAct Studio USB Download Tool Product Introduction 3.3V-5V power input, 3.3V LDO maximum output ... morecurrent 100mA. FPU (floating point computing) unit.
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$3.00 Shipping Condition: New Location: China Easy to use with zigbee2mqtt for Koenkk's. - 1 x Set of Dongle. RF performance testing. Via USB interface with bootloader enable Usually it costs about ... more30USD-50USD. B. flash firmware using cc2538-bsl.
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$7.00 Shipping Condition: New Location: China Quality of a Soundcontinuous sound. Sound Pressure Level 90 dB min. at 10 cm, 12 V D.C. Australia/New Zealand 10 -15d West Asia/Middle East 15-25d. United ... moreKingdom 10 -20d Italy 10-30d. East/South Asia 10 -15d France/West Asia 10-25d.
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$2.99 Shipping Condition: New Location: China TYPE-C connector with diode to prevent power backflow. Stable performance, high sensitivity, easy to install. 3.3V-5V power input, 3.3V LDO max. 100mA ... moreextra output. Under power off state, press and hold BOO TO, power on, wait for 0.5S, release to enter ISP mode.
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$5.34 Shipping Condition: Neu Location: China With an external reference clock oscillator and loop filter, the MAX2870 can form a high-performance frequency synthesizer to generate a clock in the ... morefrequency range of 23.5MHz to 6.0GHz (23.5-6000M) and maintain excellent phase noise and spurious indicators.
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$7.00 Shipping Condition: New Location: China Tone Alarm Ringer Active Buzzer 1.5V - 12V ,12Bs. Tone Alarm Ringer Active. Quality of a Soundcontinuous sound. Sound Pressure Level 90 dB min. at 10 ... morecm, 12 V D.C. Australia/New Zealand 10 -15d West Asia/Middle East 15-25d.
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$3.00 Shipping Condition: New Location: China The input and output currents should be within 32A. YF-BKT80V30A 10-75V/30A DC-DC Step up down Converter Buck Boost Converter Full Set for Fuel Cells. ... more- Input current is up to 40A. 3: The ripple current of the boost output capacitor is large, and the ripple of the buck input capacitor is large.
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$5.34 Shipping Condition: Neu Location: China The output frequency range: 35 m - 4.4 G (ADF4351);. ADF4351 combined with external loop filter and external reference frequency when using, it can realize ... morethe decimal N points frequency or integer N frequency and phase lock loop (PLL) frequency synthesizer.
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Free Shipping Condition: New Location: China SMbus to RS485 RS485 to I2C RS485 to SMbus I2C to RS485 PMbus I2C (HOST) module debugging tool. With the output of multiple I2C expansion modules, it ... moresupports up to 4 8 8 = 256 independent I2C channels, DS18B20 temperature reading (128 channels), I2C channel expansion (256 channels), DHT11 / AM23XX humidity, temperature reading ( 4).
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$3.74 Shipping Condition: Neu Location: China The power board can be removed from the TV for independent maintenance. So on the +24V output end you can connect a 36V light bulb of an electric bicycle ... moreas a dummy load (or connect a motorcycle bulb on the +12V output end as a dummy load).
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$3.00 Shipping Condition: New Location: China YF-BKT050V15A 0.5-15A/3-52V Step up down Converter Buck Boost Converter Board with Heat Sink. 2: The ripple current of the boost output capacitor is large, ... moreand the ripple current of the step-down input capacitor is large, which reduces the capacitor heating and prolongs the life.
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Free Shipping Condition: New Location: China ALTERA FPGA CycloneII EP2C5T144 Minimum System Learning Board Development Board#F54A. Click To Enlarge 1.PCB size: 60mm*80mm 2. EP2C5T144 FPGA chip 3. ... moreConfiguration EPROM chip EPCS4. Size 4Mbit 4. Onboard 50M active patch oscillator(crystal oscillator in the board's back) 5. 5V power supply 6. The board has the power indicator light and reset switch 7. Onboard 3 SMD LED 8. All the IO ports and clock pin through the pin to bring out(any of these interfaces can be used for memory and peripheral expansion) 9. High-quality tantalum capacitor power supply filtering 10. The development of embedded CPU support Nios II Datasheet download: http:www.sendspace.com/file/0ku5hy Package List： 1* Altera CycloneII EP2C5T144 FPGA Mini Development Board NOTE We try our best to make every transaction perfectly, just for winning your F ive-Star rating. If you have any dissatisfaction. Please contact us. We will give you the most satisfactory results. PLEASE don't leave a neutral or negative easily. PLEASE don't open any paypal or eBay cases without communication. If not. We will refuse to do busniess with you for next time. Shipping Item will be shipped within 24 hours on payment received from China using Airmail. Only shipped to buyer's PayPal address. Please confirm with your PayPal address before you bid. Delivery time depends on destination and other factors. It may takes up to 30 business days. Optionally. Express Shipments with tracking service via EMS/DHL/UPS with a quoted delivery time of 5 to 7 business days is also available. Here is the estimated time for your reference only: Country Delivery Time Working Days(not including holiday) 5-7 8-10 11-14 15-19 20-25 30 Working Days + Saturday + Sunday 5-9 10-14 15-20 21-25 26-35 40 United States Rate(item arrived) 9% 50% 21% 13% 7% Refund or Resend United Kingdom Rate(item arrived) 10% 62% 20% 3.5% 4.5% Refund or Resend Australia Rate(item arrived) 23% 50% 13% 8% 6% Refund or Resend Europe(Exclude Russia) Rate(item arrived) 2.5% 22% 42% 24% 9.5% Refund or Re
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$5.55 Shipping Condition: Brand New Location: China It is usually used in highly stable oscillation circuits as a circuit, bypass capacitor and pad capacitor. Ceramic Disc Capacitor. Shape: disc shape.
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Free Shipping Condition: New Location: China Type: Module. Interface Resources: 2x SPI, 3x USART, 2x I2C, 1x CAN, 37x I/O ports. MCU pin interface: Pin out all I/O port pins, convenient to connect ... morewith peripherals. SWD interface: support simulation, download and debugging.
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$3.00 Shipping Condition: New Location: China For example, Vin=12V, Vout=24V, Iout=10A. Vin=48V, Vout=24V, then Iout can be more than 15A. - Aluminum substrate, high thermal conductivity, 90°C normal ... moreoperation. 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor heating and prolongs the life.
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$5.00 Shipping Condition: New Location: China For example, Vin=12V, Vout=24V, Iout=10A. Vin=48V, Vout=24V, then Iout can be more than 15A. - Aluminum substrate, high thermal conductivity, 90°C normal ... moreoperation. 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor heating and prolongs the life.
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$4.00 Shipping Condition: New Location: China Digital Expansion Board IS HDMI Optical Fiber Coaxial Output for Raspberry Pi 4B Support DSD64 128 256 512. - Currently testing Volumio and Moode systems, ... moreDTS, DSD16, DSD32, DSD64, DSD128, DSD256, DSD512 output can be played normally in DSD direct output, but the decoder support is required.
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$5.00 Shipping Condition: New Location: China 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor ... moreheating and prolongs the life. Electrolytic capacitors can be connected in parallel.
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$3.00 Shipping Condition: New Location: China 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor ... moreheating and prolongs the life. Electrolytic capacitors can be connected in parallel.
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$3.00 Shipping Condition: New Location: China YF-BKT60V80A 12-48V/80A DC Automatic Buck Boost Converter Module Step up down Converter CV CC. If similar situations occur, the product will not be warranted. ... more- Constant current indicator light. - Wide input DC9-58V, output DC3-56V.
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$6.00 Shipping Condition: New Location: China B200 Scale-Down Version boasts the performance index consistent with the imported version, and its stability is better. Small size 90 x 60mm. - It is ... moremore reasonable and compact than B200 structure layout.
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$4.00 Shipping Condition: New Location: China YF-BKT60V80A 12-48V/80A DC Automatic Buck Boost Converter Module Step up down Converter CV CC. If similar situations occur, the product will not be warranted. ... more- Constant current indicator light. - Wide input DC9-58V, output DC3-56V.
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$3.00 Shipping Condition: New Location: China For example, Vin=12V, Vout=24V, Iout=10A. Vin=48V, Vout=24V, then Iout can be more than 15A. - Aluminum substrate, high thermal conductivity, 90°C normal ... moreoperation. 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor heating and prolongs the life.
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$3.00 Shipping Condition: New Location: China 2: The ripple current of the boost output capacitor is large, and the ripple current of the step-down input capacitor is large, which reduces the capacitor ... moreheating and prolongs the life. Electrolytic capacitors can be connected in parallel.
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Free Shipping Condition: New Location: China Analog-to-Digital Conversion: 2x ADC (12-bit/16-channel). User LED (PC13): convenient for I/O output testing or indicating program operation. USART1 interface: ... moreyou can use USART1 to download the program, or use USART1 for communication.
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Free Shipping Condition: New Location: China STM32F103C8T6 ARM STM32 minimum system Development board Arduino Compatible Features: Model: STM32F103C8T6 Core: ARM 32 Cortex-M3 CPU Size: 22.9*53mm ... moreDebug mode: SWD 72MHz work frequency 64K flash memory. 20K SRAM 2.0-3.6V power. I/O Reset(POR/PDR) 4-16MHz crystal on-board Mini USB interface. You can give the board power supply and USB communication Package list: 1* STM32F103C8T6 board(documents will send by email) We are reliable wholesaler. If you inquiry a lagre quantity or continuous small amount, please contact us! View other items Payment We only accept payment view PayPal. We apologize that we cannot accept other payment methods. Payment must be received within 3 business days of auction closing. Shipping We ship to worldwide. A ll orders will be shipped via the International Airmail service unless specially agreed by seller! Please make sure your ebay address is correct. Or not. Please correct it before payment. We also provide express shipping. Such as DHL, FedEx, EMS, if you need, please contact me for the fee. Warranty and Return Buy with confidence! 3 months Warranty! We accepct returned items only if the items are either faulty. Or do not match the our description. To obtain a refund. Buyer should contact us for return the goods by register mail within a 3 days once get it. And not dispose of, lose, destroy or damage the goods. Return shipping is to be paid by the Buyer. Contact us Please contact us with any comments. Questions or suggestions that you may have, we will be happy to assist you. You can contact us by leaving us an eBay message or email us. You can find our email address in you Winning Buyer Notification email. We Respond emails within 24 hours. Weekend within 36 hours. We apologize for the late reply during the holidays in China. Our working schedule: including hotline and online inquiry) 8:30 a.m. to 7:00 p.m. GMT +8) of Sunday to Friday Powered by
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Free Shipping Condition: New Location: China Features: Brand new and high quality. Model: STM32F103C8T6. Core: ARM 32 Cortex-M3 CPU. Debug mode: SWD. 72MHz work frequency. 64K flash memory. 20K SRAM. ... more2.0-3.6V power. I/O. Reset(POR/PDR) 4-16MHz crystal. On-board Mini USB interface. You can give the board power supply and USB communication. Size:5.3cm x 2.2cm. Package Included: 1 x STM32F103C8T6 Board NO Retail Box. Packed Safely in Bubble Bag. The items you ordered will be shipped out in 1-2 business day by Hong Kong Air Mail when your payment is clear. The arrival time is 5-20 business days to United States usually. We ensure dispatch the item within 1-2 business days. However. You bought the item from opposite side of the earth, so it needs a little longer time to deliver. Please place order only if you agree with the shipping time and all the terms below. Customs duty is obligation and liability of a citizen in your country. So buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue. We accept PayPal only. Payment must be received in 5 business days of auction closing. Please leave note for your special request(e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment. Because most of orders will be processed instantly and same day dispatched. If the item is defect when you receive it or you are not satisfied with it. Please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 12 months. You can return it to us. We will send you a new replacement after receiving the defective item.
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Free Shipping Condition: New Location: United Kingdom EG8010 is a digital, function very well bring their own dead-time control of pure sine wave inverter generator chip, used in two-stage DC-DC-AC power ... moreconversion structure or single-stage DC-AC power frequency transformer Boost architecture, an external 12MHz crystal oscillator, to achieve high precision, and harmonic distortion is very small, 50Hz or 60Hz pure sine wave inverter ASIC. The chip uses CMOS technology, the internal integration of SPWM sine generator, dead time control circuit, the multiplier factor range, soft start circuit, protection circuit, RS232 serial communication interface and a serial LCD driver module 1602 functions. Directly to the output of the normal short circuit, short circuit automatically resume normal work after removal At normal temperature on our power capa.
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$6.00 Shipping Condition: New Location: China Small B200 is more reasonable and compact than B200 structure layout. - Small B200 is better than B200mini in RF electromagnetic compatibility. This Small ... moreB200 boasts the performance index consistent with the imported version, and its stability is better.
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$3.00 Shipping Condition: New Location: China YF-BKT60V80A 12-48V/80A DC Automatic Buck Boost Converter Module Step up down Converter CV CC. If similar situations occur, the product will not be warranted. ... more- Constant current indicator light. - Wide input DC9-58V, output DC3-56V.
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$5.00 Shipping Condition: New Location: China Small B200 is more reasonable and compact than B200 structure layout. - Small B200 is better than B200mini in RF electromagnetic compatibility. This Small ... moreB200 boasts the performance index consistent with the imported version, and its stability is better.
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Free Shipping Condition: Brand New Location: China 1: Press and hold the BOOT0 button and the reset button under the power-on state, then release the reset button, and release the BOOT0 button after 0.5 ... moreseconds. Boards with version V1.3 and above have 3 buttons, reset button, BOOT0 button, and user buttons.
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$7.00 Shipping Condition: New Location: China Tone Alarm Ringer Active Buzzer Description Shipping I nstruction: 1. Economy Int'l Shipping. If you want to save more money and you are willing to ... morewait around 20-45 days. You can choose this one. Some countries or area will spend 2 months) 2. Standard Int'l Shipping If you want to receive your items in 7-12 business days. Please choose this one. Some countries or area are excluded) 3. Expedited Int'l Shipping If you need items very urgently.Please contact us before you pay for it. We will provide this shipping option, like EMS,DHL,UPS. But you have to pay EXTRA shipping fees. More quantity can get more discount. PLEASE select"Make Offer" FEATURES: Rated Working Voltage 12 Volts DC Oscillating Frequency 3.6 +- 5 KHz Rated Current Consumption 16 mA max. at 10 cm. 12 V D. C. Quality of a Sound continuous sound Sound Pressure Level 90 dB min. at 10 cm. 12 V D.C. Operating Temperature Range-20 c to +70 c Approximate Dimensions 12mm diameter. 10mm height. PACKAGE INCLUDES: 5 Pieces Tone Alarm Ringer Active Buzzer 12V Payment We only accept payment through Pay Pal. Shippent address will be same as your Pay Pal address without any remark. For purchasing multiple items. Please email us for a combined invoice. Generally we would like to receive payment within 48 hours if paying by PayPal. We will not ship items until payment is received/ cleared. Thank you for your understanding. Delivery details Discount of shipping fee will be offered if you buy multiple items which are not free shipping. When you buy multiple items that close on the same day. Your shipping cost will be combined with discount. Most items are shipped by postal airmail service within the next 24 hours after received payment. We ship worldwide. We try our best to help save your money! More details canbe found in"Question and Answer" Shipping instruction: 1. Economy Int'l Shipping. If you want to save more money and you are willing to wait around 20-45 days. You can choose this one. Some countries or area willspend 2 mont
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Free Shipping Condition: Brand New Location: China Serial port mode: use USB to serial port to connect PA9 and PA10 of the core board. 2: Hold down the BOOT0 key when power is off, and release the BOOT0 ... morekey 0.5S after power on. Boards with version V1.3 and above have 3 buttons, reset button, BOOT0 button, and user buttons.
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