Useful Op-Amp Circuits You May Never Have Heard Of.

Op amps are much more than just amplifiers! Check out what you can build with these extremely versatile components!
Thank you to PCBWay for sponsoring this video. Get PCBs, 3D printing and sheet metal works: https://www.pcbway.com/?from=Doctor%20Volt

Projects using Op-Amps:
- Oscilloscope From a Raspberry Pi Pico and Android Phone: https://youtu.be/aCQN9L7TSVg
- Laser Scanning Microscope From Blu-Ray Player: https://youtu.be/xfuWbnMYOos
- Breadboard-SDR Receiver from 50 kHz to 30 MHz: https://youtu.be/HCDi5qV1cmU

Libraries/Tools:
Special Items used in this video:
- Benchtop scope: https://amzn.to/4knomB9
- Circuit emulation: https://www.falstad.com/circuit/circuitjs.html

Please use the Amazon links for your order to support the channel. It's the same price for you, but I'll get a small commission.

00:00 - Introduction
00:23 - The comparator
00:40 - Schmitt-Trigger
01:45 - Debouncing
03:04 - Electronic Fuse
04:30 - PCBWay
05:10 - Relaxation oscillator
06:24 - Triangle/PWM Oscillator
07:58 - Optical music transmission via PWM