This project demonstrates how to build a temperature and humidity sensor using the DHT22 sensor and the ESP8266 (Wemos D1 Mini) board, perfect for integrating into your Home Assistant setup. The ...

In Thailand, smoke pollution caused by slash-and-burn agriculture has become a serious social problem, but many people cannot afford to purchase an air quality sensor that costs more than tens of ...

This article documents the full journey of building DIY ESP32-based smart sensors and cameras for use with Home Assistant (HA). It combines 3D design, prototyping, wiring, firmware configuration, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Apple unveiled the HomePod Mini in November 2020, and not long after ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

Nowadays, numerous electronic sensor modules are available on the market that can be combined with inexpensive microcontroller boards to measure environmental parameters of importance. The project ...