It uses an Android device to switch an LED driven by the Arduino. Connectivity is provided ... statements to ‘listen’ for the words on, off, and blink. You’ll find the voice recognition ...

The latest addition to my collection is a cheap portable power supply module labeled by its seller as “18650 Battery Shield (V3) for Raspberry Pi & Arduino ... and one power on/off switch for that ...

It’s a remote Power-On-PC from anywhere device. It’s actually incredibly simple. Just one Arduino. He’s piggybacking off of the excellent Teleduino software by [Nathan] who actually gave him ...