I fixed public Wi-Fi with a $5 chip.

The circuit diagram of this system represents the interconnection between the ESP32-CAM, OLED display, and rotary encoder.

Also: I used a $4 timer to reboot my router, and it actually made my internet faster. There's a lot built into this this ...

UPS announced Tuesday that a major rollout of RFID technology is revolutionizing its U.S. network at an unprecedented scale. Thanks to the shrinking cost of radio-frequency identification labels — ...

Back in school, I spent more hours than I can count hunched over an Arduino Uno – blinking LEDs, wiring up sensors, and building clunky robots that barely worked but felt like magic. The Uno was ...

Seattle-based Impinj saw its stock fall more than 30% in after-hours trading Thursday as investors reacted to a weak outlook for early 2026. The much-anticipated and hotly-contested GeekWire Awards ...

We may receive a commission on purchases made from links. Remember that scene in the 2002 film "Signs" when Joaquin Phoenix wore an aluminum foil cap to defend against extraterrestrial mind control?

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...