2 layers143.8 × 193 mm

PCB LeftPanel
jacobston/PCB_AVR_IO
Arduino expansion board with 160 input and output connectors. Compatible with Uno or Leonardo. 5V output.
172 parts1
KiCad boards from 1 GitHub repository tagged “atmega16”, the most starred first; open any of them in PCBKit.

jacobston/PCB_AVR_IO
Arduino expansion board with 160 input and output connectors. Compatible with Uno or Leonardo. 5V output.