Five 555 Circuits You May Never Have Heard Of

The famous NE555 chip is more than just a timer. This video is about five unusual circuits and applications you may never have heard of. Thank you to PCBWay for sponsoring this video. Get PCBs, 3D printing and sheet metal works: https://www.pcbway.com/?from=Doctor%20Volt Consider supporting this channel on Patreon and get updates about ongoing projects and ad-free preview videos! https://www.patreon.com/docvolt Repositories: - Yet to come Tools: - Simulation: https://github.com/sharpie7/circuitjs1 Items used in this video: - Oscilloscope: https://amzn.to/4eh8Hjm - Digital multimeter: https://amzn.to/3MjrbDG Please use these links for your order to support the channel. It's the same price for you, but I'll get a small commission. 00:00 - Intrduction into the 555 01:10 - Debouncing 02:03 - Toggle switch 02:58 - Undervoltage protection 03:54 - Electronic fuse 04:25 - Battery protection circuit (PCBWay) 06:17 - Audio amplifier