CH340E serial port module with FPC cable holder and reset button

This is a small USB to TTL board that can be connected to the target class using an FPC cable. Use the common CH340E chip. This small board can be used with ST-Link V2 without serial port function to convert the STM8 SWIM bus into an FPC cable and provide a serial port for input or output debugging information. The small board leads out the RTS, CTS and TNOW pins that are not used yet, making it easy to use flying wires when needed. The small board uses a MicroUSB interface. When using a desktop computer for debugging, the existing data cable can be used to place the small board farther away from the host for debugging. The small board supports two voltages: 5V and 3.3V. The pin header with a spacing of 2.54mm can be welded on the back, and it can also be used as an ordinary USB to TTL small board when there is no need to use FPC cables. The small board provides a reset button for resetting the target board when there is no reset button on the target board. The small board provides 3 indicator lights, so you can see the working status clearly.
![Snipaste_2020-03-05_16-52-42.png] ![Snipaste_2020-03-05_17-10-15.png] ![Snipaste_2020-03-05_17-11-16.png]
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