When 12-year-old Matteo Mucchetti mapped out an amusement-style attraction that he wanted to create in his family’s basement and then showed it to his older brother Nico, the high-school sophomore was ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, ...

A simple audio visualizer that maps the audio signals from ADC to LED strip. The number of lit LEDs is based on the amplitude of the audio signal, with a brighter peak indicator on the highest ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

To measure and adjust air flow in air valves, diffusers or grilles accurate measurement of small pressure drop (differential pressure) is often required (usually in the range of -50 to 50 Pa).