https://sudonull.com/arduino-split-system-control-for-7-c
Create a refrigeration room on Arduino: split system installation, vacuuming, controller with relay and IR. Step by step for developers. Instructions with code.
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https://sudonull.com/traffic-light-on-esp8266-and-ch32v003-code-and-schematic
Create a room traffic light on ESP8266 or CH32V003. Full GPIO code, timings, connection. Educational project for middle developers. Repeat in 30 min.
https://sudonull.com/ntp-server-on-esp8266-accurate-time-without-internet-guide
How to assemble an autonomous NTP server on ESP8266 with microsecond accuracy. Step-by-step implementation for developers. Keep accurate time during blockades.
https://sudonull.com/integration-of-a-vintage-display-into-a-smart-home-esp8266-and-mqtt
How to adapt the Wincor Nixdorf BA64-2 cash register display for a smart home. Detailed instructions on modification, firmware, and integration with MQTT. Implement the project over the weekend!
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