Ben Eater | Bistable 555 - 8-bit computer clock - part 3 @BenEater | Uploaded 8 years ago | Updated 20 hours ago
Our computer's clock is built using several 555 timers. The second is configured as a bistable multivibrator to debounce the toggle switch for selecting between the clock oscillator and manual clock stepping. See eater.net/bbcpu8-clock-module for more.

Part 1: youtu.be/kRlSFm519Bo
Part 2: youtu.be/81BgFhm2vz8
Part 4: youtu.be/SmQ5K7UQPMM

Support me on Patreon: patreon.com/beneater

You can get all the components used in this video from any online electronic components distributor for a few dollars.

Complete parts list (everything in this video):
- Circuit from parts 1 and 2
- 1x 555 timer IC
- 2x 1kΩ resistors
- 1x 330Ω resistor
- 1x 0.01µF capacitor
- 1x Double-pole toggle switch
- 1x LED
- 22 gauge wire