The Latest

Video

A breadboard power supply with USB C power delivery - The Byte Sized Engineer | DigiKey

Most breadboard power supplies use a DC barrel jack or USB mini connectors. In this video Zach updates and improves this design with USB C power delivery.

Blog

Semiconductor Packaging & SoC Design

Publish Date: 2026-05-11

Semiconductor Packaging & SoC Design

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.

Contributor Highlight

ESP32 WhatsApp Alerts Without a SIM Card

Publish Date: 2026-05-11

ESP32 WhatsApp Alerts Without a SIM Card

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.

View Project

Contributor Highlight

Build a USB Game Controller with Arduino Uno R4

Publish Date: 2026-05-11

View Project

Build a USB Game Controller with Arduino Uno R4

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.

View Project

Contributor Highlight

The Ultimate Smartphone VFO ESP32 & Si5351 Wireless Control

Publish Date: 2026-05-11

View Project

The Ultimate Smartphone VFO ESP32 & Si5351 Wireless Control

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

View Project

Content by Type

Articles

Blogs

Projects

Product Training Library

Videos

Webinars

Contributor Highlight

Scrolling Text on LCD I2C Display Using Arduino

Publish Date: 2026-04-10

View Project

Scrolling Text on LCD I2C Display Using Arduino

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

View Project

Video

P1150 Quick Start Video

Publish Date: 2026-05-11

Watch Video

P1150 Quick Start Video

Short Video walking through the P1150 User Interface.

Watch Video

Video

LP1 Series LED Light Pipes from Essentra Components PIO | DigiKey

Publish Date: 2026-05-11

Watch Video

LP1 Series LED Light Pipes from Essentra Components PIO | DigiKey

This video discusses the LP1 Series LED Light Pipes from Essentra Components, which are engineered to channel light from surface-mount LEDs to external interfaces.