In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

Arduinoを使った電子工作で人気の「自動制御」。今回は、安価で入手しやすい「超音波距離センサー（HC-SR04）」と「サーボモーター」を使い、前方の障害物を検知して自動でハンドル（舵）を切る、障害物回避システムの作り方をステップバイステップでご ...