Step‑by‑step guide to set up SIM900 GSM shield, configure Visuino, and send SMS with Arduino. Includes circuit diagram, code generation, and testing tips.

The AD9850-based VFO provides a clean, sine-wave alternative to square-wave oscillators, ensuring your HF receiver remains free from unwanted harmonic inThe AD9850-based VFO provides a clean, sine-wave alternative to square-wave oscillators, ensuring your HF receiver remains free from unwanted harmonic interference.

Full development of a custom BLDC motor controller PCB — from Altium Designer schematic to SMT assembly. Manufactured at TJHXPCB, Tianjin, China.

In this project, we build a long-range appliance control system using a combination of BLE and LoRa communication.

Visuino How to Use Pulse Width Modulation (PWM) to Change Brightness of a LED: In this tutorial we will use a LED connected to Arduino UNO and Visuino to make a

Learn how to build a sound‑responsive LED ring using Visuino, Arduino Nano ESP32, WS2812B LEDs, and a mic module. Step‑by‑step guide for beginners.

In this guide, we will first understand how the L293D shield works and then implement a practical servo motor control setup using Arduino UNO.

Step-by-step guide to set up a SIM900 GSM shield on an Arduino, program it in Visuino, and use two pushbuttons to initiate and terminate phone calls.

How to Use PCF8574 GPIO Extender With Arduino or ESP32: If you require more pins for your project to connect more buttons, sensors or LEDs, GPIO expanders can h

Make colored bricks play music.

Arduino New Year's Eve Fireworks: Make a New Year's Eve Fireworks using Arduino and the ST7735 lcd.Watch the Video! Project file can be downloaded below.

Color your world and make it glow.

Arduino LASER Brightness Pulse Width Modulation PWM: In this tutorial we will use a LASER Module connected to Arduino UNO and Visuino to make it change it's bri

This vanity mirror incorporates some easy soldering and uses some of our special finish Value Acrylics. Once plugged into a USB wall plug, the LEDs inside will light up the viewer for optimal makeup application, beard trimming and silly-face-making. Read on to find out how you can make it!

SteamPunk Goggles - Simple DIY Tutorial Part 2: In this Tutorial we will learn how to make the Legendary SteamPunk Goggles that change colors. If you haven't ye

Control Powerful Electric Skateboard E-Bike 350W DC Motor Using Arduino and BTS7960b: In this tutorial we are going to learn how to control a DC motor using Ard

Do you need an LED? The answer is always yes. But what if you need one right now? Build yourself an LED gumball machine and never run out again!

Learn how to build a rolling dice project with Visuino, Arduino UNO, and a 4‑pin OLED display. Step‑by‑step guide with circuit diagram and code snippets.