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#444 – An Interview with Ben Eater
Welcome, Ben Eater! You may know Ben from his YouTube videos showing how to build a breadboard 8 bit computer
- Ben’s background is in software/networking
- 0h 0m 33s
- He has been an electronics hobbyist for a long time
- 0h 1m 21s
- Digital electronics – Albert Paul Malvino
- 0h 3m 0s
- The 8 bit computer started for a hackathon
- 0h 3m 54s
- Bottom up learning
- 0h 12m 59s
- We depend upon abstractions
- 0h 15m 19s
- We have leaky abstractions
- 0h 15m 36s
- Micro instruction
- 0h 17m 54s
- 16B of memory
- 0h 18m 25s
- Instruction or data
- 0h 18m 33s
- Program with dip switches
- 0h 18m 41s
- Program in and then switch into run mode
- 0h 19m 17s
- 4 registers
- 0h 21m 37s
- ALU
- 0h 23m 24s
- Output register
- 0h 23m 26s
- Can go a couple hundred hertz
- 0h 24m 26s
- Instructions and microinstructions
- 0h 25m 50s
- Combinationatorial logic circuit
- 0h 28m 0s
- Control word
- 0h 28m 7s
- Assembly programming and register model
- 0h 32m 46s
- Optimizations
- 0h 33m 39s
- every instruction takes 6 clock cycles
- 0h 34m 24s
- What does the community look like?
- 0h 35m 6s
- 14 breadboards
- 0h 36m 5s
- Accessibility
- 0h 36m 55s
- Using TTL logic chips
- 0h 37m 30s
- Can stick an LED on an LS output
- 0h 37m 47s
- The community is mostly on the subreddit /r/beneater
- 0h 39m 37s
- Ben is now selling a kit
- 0h 39m 43sTTL
- Comes with the LS chips
- 0h 41m 1s
- Seeing how people struggle
- 0h 44m 21s
- microcosm of the education system
- 0h 45m 44s
- Extrinsic motivation
- 0h 47m 43s
- Dopamine loops
- 0h 48m 7s
- Ben previously worked at Khan Academy (KA)
- 0h 48m 35s
- In his student days he didn’t like math
- 0h 50m 48s
- Stumbled on a bug when checking out KA.
- 0h 51m 44s
- Volunteered time to KA.
- 0h 52m 3s
- Hired on in 2011
- 0h 55m 19s
- They are a non-profit tech company
- 0h 57m 37s
- Taught classes in the networking space
- 0h 59m 7s
- Books on education
- 1h 1m 16s
- Mindstorms by Seymour Papert
- 1h 1m 45s
- Logo programming language
- 1h 2m 31s
- Turtle
- 1h 2m 49s
- Mindset by Carol Dweck
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- 1h 6m 4s
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- Growth Mindset vs Fixed Mindset
- 1h 6m 34s
- Metacognition at Khan
- 1h 8m 6s
- Game designers have figured this out
- 1h 9m 8s
- Mario level 1
- 1h 9m 28s
- RSA animate of Dan Pink
- 1h 13m 33s
- Mastery Autonomy Purpose
- 1h 15m 15s
- Making more videos, there is a newer one about CRCs
- 1h 19m 28s
- Find Ben on Reddit, YouTube, or Twitter
- 1h 20m 38s