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By & filed under Electronics.

Here’s a nifty hack to add a shaft encoder directly into a servo box. Parts:1. Servo – Preferrably a Futaba or Tower Systems2. Drill3. Photointerrupter – Rat. Shack #276-142 (NOT the package with the diode and transistor separate),or any standard ‘U’ shaped photointerrupter – Available in most printers, VCRs, etc.4. Hot glue5. Potentiometer Background: For […]


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By & filed under Robotics Projects & Kits.

This article details how to build a solar powered BEAM robot, the Trimet. Tools and equipment required: – Soldering iron (about 18W with a fine bit) and solder – Safety glasses (wear them at all times) – Long nose pliers – Side cutters – Wire strippers (optional) – Hot glue gun and glue sticks (or […]