How to Build a Robot

Automatic Night Light Circuit

Create your own automatic night light circuit. It is a simple design that you can build on a breadboard.

Touch Circuit Doorbell

Learn how to build your own touch doorbell on a PCB using your finger to complete the circuit.

BlocklyProp Programming

Here's a quick introduction to Blockly using the ActivityBot 360°

Teach and Learn: Working with Matrix Keypads

Provide input to wide variety of devices and appliancess.

The Ultimate Beginner's Guide to the 555 Timer

Simple tricks and hacks to put the 555-timer into action.

LED Circuit Battery Level Indicator

A simple resistor LED circuit which turns on depending on the voltage of the battery.

Circuit Projects: How to Use a Breadboard

Get started with your breadboard experiments today!

Generic Li-Ion-Cell Battery Charger Kit

Rechargeable Battery Technology

20-Key Matrix Keypad Electronics Project

Build a keypad that uses only four microcontroller pins.

The Basic Headphone Amplifier Kit

High Volume Levels with Typical Headphones

Pocket Power Supply Kit

Pocket power never leave home without it!

Red Jumbo LED Flasher - Breadboard Kit

Great for beginners to electronics, those who may not be ready to solder.

Guitar to AV Receiver Interface

Build a filter to allow a guitar to be plugged directly into your home stereo receiver.

Charlieplexing RGB LED CUBE

Charlieplexing is driving many LEDs with only a few pins of microcontroller.