AVR treasure chestRobot builder Kelly designed this excellent AVR Treasure Chest, and used it to send his sons on a high-tech treasure hunt: When my boys were very young, I made a treasure chest from a cheap toolbox, placed an electronic lock in it (AT90S1200) and sent them on a treasure hunt, solving clues and ultimately opening the chest to get their pirate booty, a pair of N64 games. Over the years that chest ha
Arithmetic game 四則計算 算数・ゲーム
Electronic organ 電子オルガン
Guitar Tuner ストロボ式 ギター・チューナー
The Bit Blob is back
