favorite and forget.. 15 free programs that are very usefull
12VDC to 240VAC converter
Infothread: Life Hacks
23 Psychological Lifehacks To Give You An Advantage:
Needing a new computer? Here's how you can build your own!
Thermaltake Core P5 with EKWB water cooling.
They can be changed to Millivoltmeter, data loggers, and so on. Maximum real-time sampling rate of these kits are 1Msps and they can not tolerate more than 12V DC.
Modern LED Desk Lamp...Powered by 5V USB