Forrest M. Mims III: Fridge Alarm Kit with Engineer's Mini Notebook

$19.95 ea


  • Part no.: 2155495
  • Manufacturer: JAMECO KITPRO
  • Manufacturer no.: KIT-FA
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# of units Price
1+ $19.95
5+ $17.95

Forrest M. Mims III: Fridge Alarm Kit

With Engineer's Mini Notebook: Volume 3

Have a food burglar in your midst, or just trying to keep the midnight snackers at bay? You need a fridge alarm. This handy little gadget sits quietly in the fridge until someone opens the door. When the door opens, it turns on the light inside the fridge. The light triggers the photocell on the alarm causing it to emit a shrill tone. It may not stop the perpetrator, but it will make them think twice about opening the fridge door again.

This kit also includes the Engineer's Mini Notebook: Volume 3 by Forrest M. Mims III, but you may also purchase the kit without the book.

Visit the Jameco Workshop page for complete build instructions.

Fridge Alarm Kit Includes:

Part No.
Qty.
Description
38236
1
Transistor, 2N2222A
335557
1
Buzzer, Piezo, 3400Hz, 90dB
202454
1
Photocell
43001
1
Potentiometer, 3/8" Sq. Cermet, 10K Ω
2120153
1
9V Battery
216427
1
Battery Holder, 9V snaps
2112760
1
Book, Electronic Sensor Circuits & Projects
---
1
Fridge Alarm PCB
---
1
Instructions

About Forrest Mims III



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