Some documents
Genus Loci, an educational game.
Public domain music
Programming projects
Gaming resources
VoroWar game
High voltage fun

Project writeups:

Wind turbine v2
Battery discharge protection circuit
Arduino PWM solar charge controller MkI, a crude charge controller.
Arduino PWM solar charge controller MkII, a complete redesign that is far superior in every way.
Open design for a solar power optimiser
Ideal diode design notes
Common-positive ideal diode circuit, the near-perfection of the above
Auto-off timer
Alternator voltage regulator
Ultra-low-voltage linear power supply and component tester

All project writeups are published using IPFS: If this host is down and you are viewing this via a cache, simply change the host to ipfs.io and you may be able to retrieve them from the public IPFS gateway