Diy power supply from an old computer psu: Difference between revisions
From wikiluntti
| Line 20: | Line 20: | ||
* Grey: power on indicator | * Grey: power on indicator | ||
* Green: ON/OFF switch | * Green: ON/OFF switch | ||
=== Power Switch === | |||
This system need to reverse the GND and 12V line. | |||
* Yellow cable (12V) on the colored terminal, | |||
* a black wire (GND) to the pin opposite, | |||
* the green cable (ON/OFF) to the centre pin. | |||
In normal operation illuminated SPST switches have 3 terminals | |||
* the centre pin: green Power ON/OFF | |||
* one is indicated either by a different colour or labelled GND. | |||
* The terminal opposite would normally be wired with 12V, | |||
== References == | == References == | ||
Revision as of 08:42, 11 June 2023
Introduction
Theory
12 V and 5 V.
Current
Wire Coloring
- Black: Ground
- Red: + 5V
- Yellow: +12V
- Orange: +3.3V
- White: -5V
- Blue: -12V
- Purple: +5V standby
- Grey: power on indicator
- Green: ON/OFF switch
Power Switch
This system need to reverse the GND and 12V line.
- Yellow cable (12V) on the colored terminal,
- a black wire (GND) to the pin opposite,
- the green cable (ON/OFF) to the centre pin.
In normal operation illuminated SPST switches have 3 terminals
- the centre pin: green Power ON/OFF
- one is indicated either by a different colour or labelled GND.
- The terminal opposite would normally be wired with 12V,
