Programming 8-bit AVR microcontrollers

Setting up Software environment

Windows

• Download and extract AVR GCC for Windows to %AVR_TOOLCHAIN_PATH%
• Download and extract avrdude (avrdude.exe and avrdude.conf) to %AVR_TOOLCHAIN_PATH%\bin
• Add %AVR_TOOLCHAIN_PATH%\bin to PATH environmental variable

Debian/Ubuntu Linux

• Install gcc-avr, avr-libc, make, avrdude

$ sudo apt -y install gcc-avr avr-libc make avrdude

---

For ATtiny85 USB boards (with bootloader)

Windows

• Get micronucleus and add to %AVR_TOOLCHAIN_PATH%\bin
• Install USB driver following the instructions here

Linux

• Build and install micronucleus tool

$ sudo apt -y install libusb-dev
$ git clone https://github.com/micronucleus/micronucleus
$ cd commandline
$ sudo make install

• Install udev rule

$ sudo cp commandline/49-micronucleus.rules /etc/udev/rules.d/
$ sudo udevadm control --reload-rules