Some vintage Psion and HP PDA technology.
A breadboard battery PSU adapter:
http://rayshobby.net/
http://www.microchip.com/mcp1640/
Podcast: Download
Some vintage Psion and HP PDA technology.
A breadboard battery PSU adapter:
http://rayshobby.net/
http://www.microchip.com/mcp1640/
Podcast: Download
Physically vibrating your power supply at a sub harmonic of your PSU switching frequency can …