2 layers104 × 25 mm

LiFePO4 PCB 25x100
openworkoutsystem/digital_weight_device
Open Workout System is an open-source community creating a high-fidelity smart health/fitness device dedicated to improving your fitness and health.
12 parts49MIT
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

openworkoutsystem/digital_weight_device
Open Workout System is an open-source community creating a high-fidelity smart health/fitness device dedicated to improving your fitness and health.