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Hi
I have TM1638 circuit Pinout STP,clk,DIO spi communication diagram attached here , How to interface with PIC16f877a ,where is connect DIO pin to controller please guide me
The SPI pins on a PIC16F877a are:
SCK - RC3
SDI - RC4
SDO - RC5
The site below shows using diodes to connect DIO on the TM1638 to both SDI and SDO (on a different type of microcontroller).
This might be one way to do the connections ?
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