FK400 Series Timers & Control Kits
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Kit makes a Voice Activated Switch with a delay off from 1-60 seconds.
FK408
$8.99
Kit makes a light activated switch. Turns on when light shines on sensor
FK401
$7.99
Kit makes an a touch sensitive alarm circuit. Loop a wire from the circuit onto a door kob or other metal object. When it is touched, it will set off the on circuit board alarm sound. Requires 9 volt DC
FK507
$9.99

Kit makes a Dark activated switch.
FK403
$7.99
Kit makes Promimity Sensor with relay and NC & NO contacts. 2" to 12" detection range by reflective detection.
FK437
$13.99
Kit makes an adjustable timer switch circuit. 0-3 hours Control devices from 1-220 Volts AC or DC
FK406
$9.99

Kit makes an Infrared transmitter and receiver with relay. 25 foot range
FK410
$14.99
Kit makes a multi function adjustable timer switch circuit. 0-3 hours Control devices from 1-220 Volts AC or DC
FK433
$10.99
This is a warning and water pump level control circuit for checking water level and control the water pump automatically. See More Info Kit requires assembly by soldering
FK438
$11.49

This is a energy-saving LED lamp. It is the same as a flashlight. A good thing of this circuit is selecting two power supply as 12VDC or 220VAC. Kit requires assembly by soldering
FK439
$13.49

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