Local-first wins.

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 ...

Sensor plays very important role in robotics and plant automation. One of the important areas in Industrial applications is Interfacing their output to the firmware. It is very important to understand ...

One of the joys of writing up the entries for the 2025 Component Abuse Challenge has come in finding all the different alternative uses for the humble transistor. This building block of all modern ...

We may receive a commission on purchases made from links. Though the meaning of smart home varies depending on who you ask, with so many useful smart sensors for your home, if your home isn't smart, ...

Thermopile sensors offer a reliable way to measure temperature without physical contact, making them ideal for real-world applications where speed, safety, and precision matter. Whether you are ...

Researchers developed a super tiny thermometer that sits directly on a chip could monitor temperature changes and potentially ...