Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...

GY-906 is an easy DIY Raspberry Pi project using inexpensive materials like PICO, GY-906 sensor, OLED display, push switch, etc. The project utilizes the GY-906 Infrared Temperature sensor, giving the ...

First of all, there are definitely simpler ways to monitor remote temperatures, but [Mike]’s remote MQTT temperature sensor and display project is useful in a few ways. Not only does it lay out how to ...

ESP, easy as ABC.