DIY Electronics & ESPHome

Is the UNI-T UT18C still worth it in 2026? Our in-depth review covers pros, cons, and a showdown vs. Fluke. Get the verdict from a pro electrician.

What the LILYGO T-Zigbee can really do, how its ESP32-C3 and TLSR8258 communicate, and what to plan before using it.

Add an ESPHome restart button and configure local automatic recovery without relying on an impossible automation while the node is offline.

Complete BME280 guide for measuring temperature, humidity, and pressure with Arduino, ESPHome, and Home Assistant.

Connect a BMP280 to ESP32 over I2C with safe wiring, current ESPHome YAML, troubleshooting, sea-level pressure and altitude calculations.

Set up an ESPHome Bluetooth Proxy to extend Home Assistant BLE coverage, with secure YAML, active connections, hardware advice, and troubleshooting.

Turn a PM4969 pressure mat into an occupancy sensor for ESPHome and Home Assistant with updated wiring, YAML, and automations.