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Visualizing Data with 7-Segment Displays

Displaying numbers is trickier than I expected! In this video we explore how to visualize the data inside of our simulated 4-bit registers, with the help of the double dabble algorithm and some seven segment displays. Series playlist:    • Exploring How Computers Work   Simulation tool (work in progress): https://sebastian.itch.io/digital-log... Source code: https://github.com/SebLague/Digital-L... Support the channel:   / sebastianlague   Correction for a mistake in my boolean algebra explanation:    • Boolean Algebra Correction   Resources and Inspiration: https://en.wikipedia.org/wiki/Double_... https://electronics.stackexchange.com... https://pdf1.alldatasheet.com/datashe... Music: https://github.com/SebLague/Misc-Proj... Chapters 0:00 Intro 0:49 Two’s Complement Refresher 1:34 Seven-Segment Display + Truth Table 2:58 Boolean Algebra Basics 5:43 Simplifying the Equation 6:48 Converting Algebra to Logic Gates 8:33 Computer-Assisted Design 11:25 Testing the Digit Display Design 12:36 A Real-World Version (the 74LS248) 14:20 Visualizing the Data in a 4-bit Register 15:14 All Ten Digits 17:22 Binary Coded Decimal 19:49 The Double Dabble Algorithm 22:58 Dabbling with Logic Gates 24:05 Implementing Double Dabble 26:39 Displaying an 8-bit Number 27:18 Ripple Blanking 29:32 Displaying Negative Numbers 32:34 Testing the Final Design 33:50 Outro