This very odd amp is surprisingly popular: it turns old passive speakers into wireless ones with 40 hours of battery life ...

The Moto G Power has a big battery and a headphone jack, but not NFC. Image: Motorola Motorola may not have updated its flagships in a while, but it’s still pushing through with a reprise of its ...

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up ...