Lego’s latest smart bricks entertain—but also reveal a big educational opportunity it has missed

Critics worry Lego’s new Smart Bricks will dull children’s imaginations by replacing free play with lights and sounds. That ...
CNX Software

Getting started with SONOFF Dongle Plus MG24 Zigbee adapter using Home Assistant

Getting started guide & review of the SONOFF Dongle Plus MG24 Zigbee adapter with Home Assistant, AirGuard TH monitor, and ...
Hackaday

Robot Sees Light With No CPU

If you ever built a line following robot, you’ll be nostalgic about [Jeremy’s] light-seeking robot. It is a very simple build ...
Hackaday

Accurately Aiming Audio With An Ultrasonic Array

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...