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KC868-A16 UART pins
#1
Hi guys,

I just got an A16 board. I read the design review (https://www.kincony.com/esp32-board-16-c...dware.html) but I didn't really find any proper solution to connect RX / TX UART TTL pins to the board (for my R503 fingerprint sensor). 

Could someone please help me how to connect that sensor / use UART with that board?

Thanks and best regards!
Stefan
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#2
KC868-A16 have 4 free gpio with pull up resistance. if you want use these gpios, you need remove the resistance, so that can use for define serial port rxd and txd.
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#3
This clears up a few questions I had, especially regarding compatibility and setup. Looking forward to trying this in my own project and seeing how it performs in real-world use.
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