Kenji Watanabe

Projects

Desk Robot Arm

A 3D-printed robot arm with a custom controller board. Full build log and files.

Split Keyboard

A 42-key split keyboard I designed from the PCB up, hand-soldered and flashed.

Air Sensor

A battery-powered air quality sensor that logs to a small dashboard at home.

2015

Trained as a mechanical engineer

Tokyo

2019

Fell into electronics and PCB design

Tokyo

2022

Built a split keyboard from the PCB up

Tokyo

2024

Publishing full build logs for every project

Tokyo

Mechanical engineer who fell down the electronics rabbit hole. I document every build so other people can make their own.