Robotics is a fascinating field that has come a long way in recent years. What was once cutting-edge and prohibitively expensive for consumer-grade projects has rapidly become accessible to the hobby ...

Espressif Systems is showcasing its products at CES 2026, including two interesting upcoming parts: the ESP32-E22 Wi-Fi 6E ...

Designed by Cirket open-source hardware in China, the ESP32-DIV V1 is a handheld wireless pentesting and experimentation tool ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

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 ...

Would you feel confident in buying US-made LiFePO 4 (LFP) batteries? While the answer here is generally expected to be ‘yes’, especially compared to getting an unbranded LFP battery off eBay from a ...

The day your car won’t start isn’t the best time to shop for a new car battery. But according to our research, that’s exactly what most people do. You’ll probably have to replace the car battery once ...

ESPBattery( byte analog_pin = A0, int polling_interval_ms = 500, int min_lvl = ESPBATTERY_CRITICAL, int max_lvl = ESPBATTERY_FULL ); float getVoltage(); int ...

Keeping lithium cells or batteries in spare parts boxes isn’t very practical if you can’t verify their efficiency or actual charge capacity. This simple charger and capacity tester, which is built ...