Blynk-controlled Stag Beetle

I got a broken old stag beetle toy with a wired remote control. I modified it so that it can be oper...

Electronic 　2017.5.21　お父ちゃん

Jigsaw Puzzle Timer

I made Jigsaw Puzzle Timer using touch panel TFT display. This measures the time until the puzzle is...

Electronic 　2017.5.5　お父ちゃん