RF interferance on buttons

We are seeing mysterious button presses on one of our iot lightswitches at i3.

Herein lies the debugging so far.

USB Thinkpad Laptop Keyboard

One thing I’ve wanted for a while is a USB keyboard with a trackpoint.

I made a good start with an atmega32u4 on an arduino micro board.

Arduino Media Keypad

I wanted a small programmable keypad. It’s primary purpose was to be media keys for a model M that needed to be cleaned and bolt modded, but now that I use a (different) model M, I finished the project.

Hard Drive Power Supply

Really more of a test post to get this blog off the ground, but today I made a power supply for a hard drive out of some 12v power brick by soldering in a LM78M05 to add a 5v rail.

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