SYSTEM ONE

If you need to use higher current lamps (50-150mA) we recommend a 22 ohm 1/4 Watt resistor in series with each bulb (this will also greatly extend bulb life). ... (Radio Shack part number 271-1714) 1K Ohm 1/4 Watt resistor (Radio Shack part number 271-1321) 9 pin male ā€œDā€ connector (Radio Shack part number 276-1537) ... ................
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