How to turn your 3D printer on/off using Octoprint

UPDATE: Not all 5V relay boards will work and may need to be modified. If you want to avoid that I highly suggest getting 3.3V / 3V ones instead. Like these for example: aliexpress: http://s.click.aliexpress.com/e/lcFnjWY Ebay: https://ebay.us/hjxzaO Amazon: http://a.co/d/7NDnqoL Tutorial on how to control the power supply of your 3D printer remotely using Octoprint and a relay module. Very simple and convenient project. If you have any questions just leave them in the comments. Files and steps: https://www.instructables.com/id/PSU-... modify your relay(step 6): https://www.instructables.com/id/Home... Twitter: @GyroMakes