In this code we set the pin 7 to be a pullup input and we monitor it until it changes state to toggle the led on pin 3.
- Raspberry pi
- Arduino Uno
- USB 2.0 cable type A/B
- Button
- LED
- 220 or 330 ohm resistor
- Breadboard and jumpers.
You can download the fritzing diagram to take a closer look to the schematic here
cargo build
sudo avrdude -p m328p -c arduino -P /dev/ttyACM0 -b 115200 -U flash:w:target/avr-atmega328p/debug/button_toggle_led.elf