This is a clone of Solder Paste Controller project from Dead Bug Prototypes.
The main differences are:
- Usage ATtiny13 as a MCU.
- Firmware is written with assembler language.
Flashing:
sudo avrdude -p attiny13
-c usbasp -P usb -U lfuse:w:0x6A:m -U hfuse:w:0xFF:m -U flash:w:solderpaste.hex
Fuse online editor: http://www.engbedded.com/fusecalc/