TheStaticTurtle
Some of you may know that you can use yubikey's as a gpg smart card for message encryption / ssh login however starting at $45 for a compatible one I didn't really like that, so I searched a bit to make a DIY one.
LinkyLink - Connecting myself to the French energy meter
Making a custom board to connect an esp8266 to the french energy meter
I had a really boring class in high school and short story I made bone conduction glasses
Connecting my Ti-Nspire to the world of sms