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$3.50 DIY TV-B-Gone Micro

Step 14Add the Capacitor

Add the Capacitor

Bend the positive of the capacitor out and along the side of the capacitor, and cut it short. Bend the negative out for about 2mm and then bend it straight up. Fit the capacitor in and solder the positive of the capacitor to the positive of the LEDs as shown.

The capacitor filters the power from the battery to provide a smooth voltage for the microcontroller even with the LEDs flashing really fast.

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Hi! I've loved electronics and electricity for as long as I can remember, and electric projects are something I do in my free time for fun. Everything I've learned about electricity is either from exp...