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 ...

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...

An Arduino library that interfaces with the MLX90614 non-contact infrared thermometer over a 2-wire, I2C-like interface (SMBus). /examples - Example sketches for the library (.ino). Run these from the ...

Arduino RFID technology works by using electromagnetic waves in the radio frequency spectrum for wireless communication and data transfer between RFID tags and readers. From supermarket anti-theft ...

An Arduino is a tiny-sized computer that allows you to program basic commands, and build your own circuits with sensors. Some students and researchers have programmed Arduino to do a lot of things: ...

IR (Infrared) communication is simple, low-cost, and widely used wireless communication technology. IR light is somewhat similar to the visible light, except that the wavelength is slightly longer.

Universal remote controls are great for replacing a working remote lying on the coffee table, but what to do when it isn't? What to do when you don't have the remote anymore, or when it died and the ...

Smart presentation pointers are readily available in the market but are expensive. Here is a simple, easy-to-build, inexpensive and infrared (IR)-based smart slide pointer using Arduino Leonardo.