The Elektor Uno R4 is an Arduino Uno R3 equiped with the ATmega328PB-AU featuring 2x USART, 2x I2C and 2x SPI and much more. This board is an evolution of the Arduino Uno R3 board. Identical form ...
A much simpler way than the the Raspi's Pin Header for connection is USB. Connect an Atmel AVR-USB Controller with your Raspi. This is simplified by the small USB library in bascom, c and assembler ...
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