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

thingiverse

02/02/2019 Upgraded Information Added for Control Circuit This is a Great Upgrade for the Homemade Door Knocker/Thumper/Banger Using Rubber Mallet. Shorter Video: https://youtu.be/prDvl66kK8A More Detailed Video: https://youtu.be/SPWecX9bd8c If You Missed the First Video, Check Out the Link Below. https://youtu.be/lFoxJc9jLHI For Halloween Scare! 3D Printed Parts 3D Model Files: https://www.thingiverse.com/thing:3091944 Video for Control Circuit: https://youtu.be/YMU_4FIxcbk Parts List/Affiliate Links for Circuit: 1x 12v Relay - https://amzn.to/2t4jlVU 1x 1N4148 Diode - https://amzn.to/2WCIKU5 1x 2N2222A Transistor - https://amzn.to/2MKK9Dq 1x 1k Ohm Resistor - https://amzn.to/2WFL6kS 1x HC-SR501 or HC-SR505 PIR Module - HC-SR501: https://amzn.to/2MN52hh - HC-SR505: https://amzn.to/2GjZzgX 1x Prototyping Board - https://amzn.to/2MKkHOk 1x Set of Connectors - https://amzn.to/2GpHKNB More Details for Parts in Video