Guides

How to Build a Smart Energy Monitor

A step-by-step guide to building a smart energy monitor that measures household power use and shows it live on a dashboard.

How to Build a Security Camera with the ESP32-CAM

A step-by-step guide to building a Wi-Fi security camera with the ESP32-CAM that streams live video and captures motion snapshots.

How to Build a Soil and Plant Monitoring System

A step-by-step guide to building a soil and plant monitoring system that tracks moisture, temperature and light and alerts you when to water.

Understanding Resistors, Capacitors, and the Co...

A beginner's explanation of what resistors and capacitors do and how to read the resistor color code.

How to Use a Breadboard

A beginner's guide to how a breadboard is wired internally and how to use it to build circuits without soldering.

Soldering for Beginners: Tools, Tips, and First...

A practical beginner's guide to the tools, technique, and safety habits needed to make clean first solder joints.