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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.

Tim Knoob

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PROJECT

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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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.

VIDEO

Donald Bell Maker Update: Imagine That

By Maker.io Staff

This week on Maker Update: making Toy Story your story, four-legged friends, six-legged friends, toxic gremlins, and a cozy light show.

Carlos Arcos

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18

Seeeduino XIAO Expansion Board Ultrasonic Distance Sensor With Sound

By Ron Cutts

Learn how to use the Seeeduino XIAO Expansion Board with an ultrasonic range sensor and add a sound warning. Step-by-step guide with Visuino code.