Door Knocker/Thumper/Banger powered by Wiper Motor - Halloween Scare

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Homemade Door knocker/thumper/banger using rubber mallet, some 3D printed parts, wood, and a wiper motor. For Halloween Scare! Main Video Link: https://youtu.be/lFoxJc9jLHI Video for control circuit:https://youtu.be/YMU_4FIxcbk Link to UPGRADE UPGRADE video: https://youtu.be/prDvl66kK8A You will need the .pdf file for the upgrade, go to the Google Website below to download. (3D Printer Models - Page) https://sites.google.com/site/ya3dprinter/home Parts List for Knocker Mechanism:One Rubber MalletOne 5/16" x 2.5" smooth screw with threadOne 1/4" x 2" smooth screw with threadOne 5/16" Nylon Lock WasherOne 1/4" Nylon Lock WasherFour 5/16" WashersFour 1/4" Washers3D Printed Parts Parts List/affiliate links for Circuit:1x 12v Relay - https://amzn.to/2t4jlVU1x 1N4148 Diode - https://amzn.to/2WCIKU51x 2N2222A Transistor - https://amzn.to/2MKK9Dq1x 1k ohm Resistor - https://amzn.to/2WFL6kS1x HC-SR501 or HC-SR505 PIR MduleHC-SR501 - https://amzn.to/2MN52hhHC-SR505 - https://amzn.to/2GjZzgX1x Prototyping board - https://amzn.to/2MKkHOk1x Set of connectors - https://amzn.to/2GpHKNB More details for parts in video

Author:
evolhub

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