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USB Interface 16 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module

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$6.59 / $8.04

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$6.59 / $8.04

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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Parameters:
Product name: STM32 16-way AD sampling module
Product size: 33*65mm
Product interface: Type-C interface power supply
Product weight: 25g
Product material: FR-4

Description:
The STM32 16 channel ADC sampling module uses the internal 16 channel ADC resources of ST company"s STM32F103R8T6 microcontroller as the sampling core. The obtained sampling data is transferred to memory through the internal DMA of STM32,reducing CPU burden and enhancing the stability and accuracy of AD sampling. At the same time,the onboard USB to serial chip CH340T can transfer data to the upper computer,and users can use Type_ C data cable can achieve code burning.

Features:
1. Using STM32F103R8T6 as the main control chip
2. On board CH340T chip,via Type-C data cable allows you to view AD sampling results on your PC
3. Reserve UART serial communication interface and SWD serial debugging interface
4. Up to 16 AD acquisition channels with 12Bit bits(Resolution 4096)

Package Include:
1x STM3216 AD Sampling Module
1x 9 Pin Single Row Pin

Hareware Introduction:
1. ADC acquisition channel 8-channel 15
2. BOOT0 port: Connect BOOTO to 3V3 in burning mode,connect BOOT0 to GND in running mode
3. CH340T chip: USB to serial port 4. Type_ C interface
5. Reset button
6. Linear regulator AMS1177: used for converting 5V voltage to 3.3V voltage 7. ADC acquisition channel O-channel 7
8. UART serial communication interface 9. SWD serial debugging interface
10. MCU: STM32F103R8T6

Use description:

1. Interface description:IN0-IN-15: 16 AD sampling voltage inputsGND: negative pole of power supply/sampling voltage common ground interfaceTX, RX: UART communication interfaceTCK, TMS: SWD debug interface3V3/5V: reserved 3.3V/5V power input port2. Use on PC:Install the driver of the USB to serial port chip CH340, plug the module into the computer, connect IN0-IN15 to the positive pole of the sampling voltage, GND to the negative pole of the sampling voltage (that is, common ground processing), open the serial port debugging assistant, select the correct COM port and baud rate (115200), you can view the AD sampling results. The sampling results are refreshed every 500ms. Customers can modify this time based on the source code.Here is a sample of the 3.3V voltage that comes with the module. The steps are as follows: Prepare a DuPont line, connect one end to the 3.3V pin that comes with the module, and the other end to the IN0-IN15 pins in queue. The data sent through the serial port can be found. The sampling results have changed. The wiring diagram and sampling result diagram are as follows:
Judging from the test results, although it is not a customized AD sampling chip and only uses theinternal AD resources of STM32, the accuracy is still good.3. Connect to MCU for use:If you want to directly use an external MCU to obtain sampling data, you can connect the 3.3V, RX, TX, and GND of the MCU to the 3.3V, TX, RX, and GND of the module respectively. Of course, it is also possible to use 5V to power the module. About the serial port the data transmission protocol can be found by viewing the source code.4. About updating firmware:

If the customer wants to modify the source code himself re-burning the program.The method is as follows: Plug the module into the USB port of the computer, plug the jumper cap on the module into the 3V3 end (note that it must be plugged back into GND after programming is completed) open the programming software FlyMcu, open the hex file and set the port number and waveform rate and other related parameters, click "Start Programming", and then press the reset button.

Things to note:1. The sampling voltage input terminals IN0-IN9 can be connected to all or only part of them. When there is no sampling voltage input to a certain channel, the output result of this channel is a random value. The unused ports can also be used as ordinary I/O ports by modifying the program.2. The voltage used cannot exceed 3.3V, otherwise the chip may be damaged.

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USB Interface 16 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module

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nuckollsr VIP4
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26/07/2024

Appears to be well built. It would be VERY useful if the seller supplied a website for downloading a schematic and possibly a user's guide.

Appears to be well built. It would be VERY useful if the seller supplied a website for downloading a schematic and possibly a users guide.

Appears to be well built. It would be VERY useful if the seller supplied a website for downloading a schematic and possibly a users guide.

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