This noise generator has an adjustable bandwidth and a consistent amplitude no matter what bandwidth is selected. When working on a recent Design Idea for an adjustable filter, I wanted to use an ...

SSD1306 driver is Arduino style C/C++ library with unicode support. The library can be compiled for plain Linux (for example, raspberry spi), or you can use it with plain avr-gcc compiler without ...

These displays use I2C or SPI to communicate, 2 to 5 pins are required to interface. Adafruit invests time and resources providing this open source code, please support Adafruit and open-source ...

A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...

Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does ...

I didn't expect to love it, and it has a learning curve, but the possibilities are endless.

The ESP32 is the go-to microcontroller for DIY projects, smart home sensors, and other lightweight projects, but it’s not the only game in town. If energy efficiency is high on your list of priorities ...

Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...