04 / Blog
Blog
Posts on DevOps, security, and whatever else comes up.
June 19, 2026 A SIM Just for Verification Codes A small, containerised gateway that reads incoming SMS from a USB GSM modem via gammu and forwards them to a Telegram chat. privacy May 22, 2026 ZigBee Doorbell Sensor with the ESP32-C6 How I connected my analogue doorbell to Home Assistant with a self-built ZigBee sensor, without touching the existing wiring at all. diy