2 layers119.9 × 24.9 mm

Rl78-flash programmer
prabhu-yu/rl78-flash-programmer
This is a RL78 micro controller Flash Programmer PCB board designed using KiCAD. Very simple and economical to build under 6 US Dollers.
22 parts4
KiCad boards from 1 GitHub repository tagged “rl78”, the most starred first; open any of them in PCBKit.

prabhu-yu/rl78-flash-programmer
This is a RL78 micro controller Flash Programmer PCB board designed using KiCAD. Very simple and economical to build under 6 US Dollers.