I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

If you want to get started with motion sensors and the like, ESPHome makes it incredibly easy to build your own sensors.

Continue reading “Arduino Replaces Bad AC Thermostat, Hacker Stays Cool”→ Posted in Arduino Hacks, home hacks Tagged ac, air conditioner, arduino, hvac, temperature sensor, thermostat ...

This video demonstrates how to set up a remote temperature monitoring system using an Arduino Uno R4 WiFi, an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature ...