We created a comprehensive ESP32 CAM Telegram bot tutorial that can capture images and record custom-duration AVI videos, which can be stored locally and sent to Telegram for viewing. As you might ...

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 ...

A sensor shield (or dust cover) is a dummy shutter that flips down when you turn off the camera to shield the sensor from airborne dust and dirt when changing lenses. They tend to feature on ...

Unmanned aerial vehicles, or drones, are no longer the amateur toys they used to be. They’re now lifelines for industries ranging from agriculture and construction to defense and emergency response.

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 ...

Arduino library for the INA260 power sensor. This library is based upon the INA226 library however the INA260 is slightly simpler. Not all functionality is tested / investigated. Read datasheet for ...

Abstract: Eddy current displacement sensors (ECDS) are essential for accurate position measurement in heavy industries. For instance, in steel plants, position sensor systems often need to measure ...

Upload the sketch, and then monitor serial. The example sketch will calibrate the device over 15 seconds, and then print the carbon monoxide ppm once every second to the serial console. In the MQ7 ...

Abstract: With the rapid growth of the market economy, the volume of imports and exports of road transport is increasing. At the same time, people's daily demands have increased the circulation of ...

If you’re a photographer who’s never photographed a fireworks display, then don’t let the opportunity pass you by this July 4. If you can prise yourself away from the decorations, food, TV specials ...