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 ...

The ESP32 keeps finding new jobs in my house.

It's amazing what you can do with an ESP32 (or two).

#include "esp_lcd_panel_interface.h" #include "esp_lcd_panel_io.h" #include "esp_lcd_panel_vendor.h" #include "esp_lcd_panel_ops.h" #include "esp_lcd_panel_commands.h ...

Abstract: The authors propose a radar made with the ultrasonic sensor type HC - SR04, developed for Arduino. The novelty added by this paper is the development of specific libraries aiming to ...

Abstract: The IoT-based Women Security System is a real-time threat detection and emergency alert solution designed to enhance the safety and well-being of women in various environments. The system ...

This version uses millis() as a software clock. Time resets whenever the Arduino loses power or restarts.

With football fever reaching its peak, DHK DUDE from youtube built this pocket-sized, real-time World Cup score gadget for his desk. Powered by a Wemos D1 Mini microcontroller, this custom IoT gadget ...

When it comes to electronic design, breadboarding a circuit is the fun part — the creative juices flow, parts come and go, jumpers build into a tangled mess, but it’s all worth it when the circuit ...

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