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PROJECT

Change Random Colors NeoPixel Shield Adafruit & Arduino - 40 RGB LED Pi

Step‑by‑step guide: wire the Adafruit NeoPixel Shield, set up Visuino, generate code, and flash your Arduino to create a dynamic random color display.

PROJECT

Arcade Fightstick

By Adafruit Industries

Build your own joystick and buttons gaming controller.

BLOG

Semiconductor Packaging & SoC Design

By Antonio Velasco

The word "semiconductor" is a strong buzzword. They drive the stock market, enable all of our electronics and systems, and essentially hold up the world.

ESP32 WhatsApp Alerts Without a SIM Card

By Rinme Tom

Learn how to build an ESP32 WhatsApp notification system using CircuitDigest Cloud API. Send real-time sensor alerts to your phone, no SIM card, no WhatsApp Business API needed. Step-by-step tutorial with code.

PROJECT

Build a USB Game Controller with Arduino Uno R4

By Rinme Tom

Learn how to build an Arduino game controller with our complete DIY guide. Includes circuit diagram, Arduino code, wiring instructions, and USB setup. Free GitHub code download.

PROJECT

The Ultimate Smartphone VFO ESP32 & Si5351 Wireless Control

By Mirko Pavleski

A professional-looking VFO for your radio projects without spending a fortune on touchscreen, rotary encoder or complex hardware.

PROJECT

Scrolling Text on LCD I2C Display Using Arduino

By Ron Cutts

Follow this easy guide to create scrolling text on an I2C LCD display with Arduino UNO and Visuino. Includes circuit, code, and video walkthrough.

Sam Rollins

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MAKER

PROJECT

Melting Picture Frame for PyPortal IoT Images

By Adafruit Industries

PyPortal Art Display.

PROJECT

Build a Wireless Sensor Network Using NRF24L01 & Arduino

By Ron Cutts

Learn how to set up two NRF24L01 senders and one receiver on Arduino boards, program them in Visuino, and wirelessly share temperature and humidity readings.