In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it uses rgb LEDs that are controlled by an Arduino-based microcontroller that ...

The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Five new Elektor courses help beginners take their first steps in microcontroller programming with Arduino, ESP32, and Raspberry Pi Pico. Each course combines hands-on projects, hardware kits, and ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

Garage door openers: Don’t leave home without one. Unless, of course, you don’t have a garage. These remotes can be used again and again and reprogrammed as often as you need. You can also buy ...

Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...

// This edited program implements the HMI end ONLY (For now... see later tutorials) // of an Arduino communicating with a DELTA HMI to control a Schneider Variable Speed Drive (VSD) // over MODBUS RTU ...

Electronics might appear at times like an elite endeavor with a high barrier to entry—both in time, expense, and expertise—but if you’ve wanted to play around with electronics and felt ill-equipped to ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...