Door Alarm: Explaining the Control Circuit

Phil Tang explains his first Jameco recipe, the Door Alarm. The Door Alarm plays a prerecorded sound when you open the door – perfect for an ego-boosting Hail To The Chief!

Duration : 0:2:24


[youtube 2ShJZrrp1s8]

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One Response to “Door Alarm: Explaining the Control Circuit”

  1. 9juheje8 Says:

    What a fun project …
    What a fun project Thank you

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