Taste The Code

FNIRSI LPM-10 Review: Testing Every Function of This Network Cable Tester

Testing every function of the FNIRSI LPM-10 network cable tester, from wire mapping and length measurement to tracing a single cable through a ceiling.

Sep 05, 2026 — 10 mins read

Building a Standalone RFID Door Lock with the RC522 and an ESP32

Building a standalone RFID door lock with the RC522 and an ESP32 that learns and forgets cards using a single push button.

Aug 31, 2026 — 13 mins read

Monitoring Temperature, Humidity and Air Quality with the BME680

Building a wireless environment monitor with a BME680 sensor and an ESP32 running Tasmota, sending temperature, humidity and air quality data over MQTT.

Aug 15, 2026 — 9 mins read

Repairing a Weather Station Without Replacing Parts

A brand new RS485 weather station arrived completely dead, and the fault turned out to be one solder joint that looked perfect but carried no current.

Jul 29, 2026 — 11 mins read

Flashing and Configuring ESP Claw on UNIHIKER K10 ESP32-S3 Board

I flash the DFRobot UNIHIKER K10 with ESP Claw firmware and let an AI agent write its own scripts to control its LEDs and screen.

Jul 20, 2026 — 6 mins read