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LEDs and Lighting Class
How to Make a Data Logger for the Temperature, PH, and Dissolved Oxygen
ORP / PH / Temperature Data Logger
The Ultimate High Altitude Weather Balloon Data Logger
5$ Small Battery Powered LED Panel
The Best Hiding Places View Instructable »
Electronics Crash Course
Table Saw Class
DIY Spot Welder From Microwave - Now With OLED Display!
6.3 kiloWatt Ground Mount Home Solar Array
DIY Spot Welder
Intro to Soldering
Basic Electronics Skills for Robotics
Getting Started with Robots
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How to make a solar garden ...View Instructable »
3D Printing Class