Escape Room Object Placement Puzzle using Arduino/RFID

Learn how to create an escape room puzzle in which you place four objects in the correct position to deactivate a magnetic lock, using RFID sensors and an Arudino. If you'd like to download the code, wiring diagram, and additional documentation that accompanies this video, or support me to make more tutorials in the future, please visit my Patreon page at   / playfultech   - thanks! HARDWARE --- Arduino UNO - £4.99 https://www.ebay.co.uk/itm/Arduino-UN... 4x RFID RC-522 Module + Key Ring - £1.97 each https://www.ebay.co.uk/itm/RFID-RC-52... 280Kg 12V MagLock - £14.98 http://www.ebay.co.uk/itm/280KG-600LB... SOFTWARE --- Arduino RFID library https://github.com/miguelbalboa/rfid