The Micro:bit is a fun microcontroller development platform, designed specifically for educational use. Out of the box, it’s got a pretty basic sound output feature that can play a single note at a ...

Domninus Scepter is a versatile ESP32-based IR/Bluetooth remote control system designed to control infrared devices such as TVs, air conditioners (ACs), and speakers, with additional Bluetooth ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Universal remotes are extremely convenient if they work correctly. But setting them up can be quite a hassle: often, you need to browse through long lists of TV models, key in the codes on the remote ...

ESP 360 Remote is an ESP32-based IR and 433 MHz RF remote with built-in sensors used to control home appliances over WiFi and that also integrates with Home Assistant open-source home automation ...

Looking for the perfect fall engineering project? Check out the following projects and articles from past September and October editions of Elektor. We found them inspiring. What do you think? Looking ...

An infrared proximity sensor, or IR Sensor, is an electronic device that emits infrared light to detect objects and motion in Arduino projects. This interfacing of the IR sensor module with Arduino is ...