Blog Archives

Dual DPDT Relay Motor Driver

I’ve been (very) slowly working on a tank track robot in my spare time. I didn’t want to use an off-the-shelf motor driver so I made this bad boy… This design uses 4 MOSFETs (IRLD014), 4 resistors and 8 diodes.

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Large LED Matrix Display – Part 2 (Driver Board Fabrication)

More work done on the LED Display! This weekend I got the first of many (and by many I mean 160) LED driver boards. This board will eventually drive 8 of the 1280 LEDs on the final sign. Here are

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Homemade PCB Fabrication

I’m going to put this guide up mostly for myself so I can repeat my successful PCB fabrication. I’ll try to update this with links to sites for each product and pictures of my going through the process the next

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