3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

SCR Tester from a Flashlight

Step 6Your done!

Your done!
Test the device by bringing together the red or white lead (positive) to the yellow lead (negative) together.  The bulb should light. Now go find an SCR to test.
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Author:botronics
I like to tinker and experiment with electronics, robotics, programming, and photography