LED Gumball Machine

Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.

The world is analog. Use analog to digital conversion to help digital devices interpret the world.

Introducing fundamental digital logic concepts and LogicBlocks

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.

Because some of our boards need to be re-humidified after reflow, we decided to make our own humidor. This tutorial will focus on how to model a project in 3D and then fabricate it using a CNC routing machine.

This tutorial provides information about how to connect to ADH-Tech's fingerprint scanner (GT-521F32) and how to use it with Hawley's FPS_GT511C3 library for Arduino.

The SparkFun Qwiic Proximity Sensor is a great, qualitative proximity (up to 20 cm) and light sensor. This hookup guide covers a few examples to retrieve basic sensor readings.

Get started with the Qwiic Ultrasonic Distance Sensor!