Using Keyrah V3
3.2 LEDs
3.2.1 Connectors
There are two types of LED connectors
(1) The „C64 Style“ 3 Pin LED Connector next to the keyboard connector. The middle Pin is GND,
the pin facing the edge of the board is the Power LED, the pin facing away from the edge is the
Num Lock LED.
These two are the only LEDs that can be directly connected without an additional Resistor!
Since the C128 has the LED on a very short cable, you will have to use an extender, which is not
included in this package.
(2) The „Amiga 600 Style“ 4 Pin connector.
(3) The „Amiga 1200 Style“ 4 Pin connector (shares the middle pin of the C64 connector).
The Amiga-LED connectors have no resistors in the circuit, so the voltage is too high for an
"LED only" cable, you MUST use current limiting resistors or you risk damaging the
hardware!
(4) Extra LED on the C64 keyboard connector (see below),
You MUST use a current limiting resistor in series with the extra LED, or you risk damaging
the Hardware!
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