USB 10-Channel 12Bit AD Data Collection Module STM32 UART ADC Module

Description

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1. Function Features:
1>. Onboard STM32F103C8T6 main control chip
2>. Onboard CH340 serial port to USB chip, easy to check AD sampling result via USB port on PC
3>. Preset USRT serial communication interface, can connect MCU
4>. Analog Input Channel: 10- channel single port input
5>. Sampling Voltage Input Range: 0-3.3V
6>. Power Voltage: 5V/3.3V
7>. Resolution Rate: 12 bit (4096)
8>. Board Size: 50*33mm
2. Using Introduction:
1>. Used on PC: install USB to serial port chip CH340 driver, and plug the module on the computer, IN0-IN9 connect sampling voltage positive, GND connects sampling voltage negative (common ground process); open the serial port debugging helper, select correct COM port and baud rate (115200), then check AD sampling result; the result updates 500ms per times, and users can modify this time on the basis of source code
2>. Used on MCU: if users want to obtain sampling data via external MCU, you can connect MCU 3.3V, RX, TX, GND with module 3.3V, TX, RX, GND. You can also use 5V to supply power for the module
3>. Update Firmware: if users want to modify the source code and program again, please operate as below: plug the module on computer USB, and plug the jumper cap on the 3V3 port (after finishing program, plug it back to GND); open the program software FlyMcu, open the hex file, set port number and baud rate, click “start program”; then clip the two ports of capacitor C9
3. Notice:
1>. Sampling voltage input port IN0-IN9 can be all or partially connected; when certain channel has no sampling voltage input, then the certain channel output result will be a random value; null port can be modified as common I/O port
2>. Sampling rate should be no higher than 3.3V, or it will cause damage to the chip
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