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PRODUCTS & PROJECTS 

DOOR BELL MASTER CONTROL UNIT
Auto control 4-tone doorbell master control

Doorbell compatible for use with control systems

  • Plays up to 4 doorbell sounds.

  • Any sound recorded in MP3 format.

  • Easy to change with selector switch

  • 10 seconds factory default can be adjusted for longer recordings & special occasions. e.g. Halloween, Christmas, Birthday.

  • Adjustable volume

  • Power supply: 24vdc 1 amp.

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WINDOW HYDROPONICS SYSTEM
Auto control window hydroponics watering system
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Rob's Internet of Things
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