The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.

In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 LoRa module. The device measures temperature, humidity, pressure, and gas ...

If you think smart home, you might not imagine a temperature sensor, but there's a lot you can achieve with one of those and ...

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 ...

A dual resonator graphene sensor measures pressure with exceptional precision and stability, using built-in temperature ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So when the Sun's rays reach damaging levels, ...

The smartphone runs on the latest Android v16, ensuring up-to-date features and enhanced performance. It comes with a rear fingerprint sensor for secure and convenient unlocking. The device features a ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...

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