Power Switch Part 2
Pi Bits > Power Switch
Parts
Component list:
2 x 1K resistors
2 x 10K resistors
2 x 22k resistors
2 x 1N4001 diodes
2 x BC548 transistors
1 x 220 uF capacitor
1 x 5v SPDT relay (5V K6B05 OKO Series Relays SPDT, this is not mountable on 0.1" stripboard / breadboard as the pin spacing will not allow.)
1 x LED 3mm 3Vf
3 x switches
optional micro usb and standard usb connectors
breadboard / stripboard / custom PCB
All components have been sourced from either Hobby Components or BitsBox
Transistor pinout (flat face towards you):
Diode direction:
LED pinout:
(Need to do the breadboard build bits here)