Circuitron - Simple Circuits(tm) Block Signal Animator -- SA-1 (SKU 800-5540)
Drives any single target tri-color LED-type signal to red, green and amber aspects. Amber hue fully adjustable. May be controlled by three-position switch or automatically by detector circuits such as BD-1 (minimum of three blocks required). 10-18V AC o
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$22.95 US
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