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2021
2021x1
Breadboarding tips
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2021x2
So how does a PS/2 keyboard interface work?
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2021x3
Keyboard interface hardware
Episode overview
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2021x4
Keyboard interface software
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2021x5
How does a USB keyboard work?
Episode overview
0:00 Intro 0:50 USB electrical interface 4:43 How USB encodes bits and packets 23:41 USB packet contents 29:26 USB vs. PS/2
2021x6
How does USB device discovery work?
Episode overview
What happens when you first plug a USB device in? There's a whole bunch of negotiation where the computer discovers what a USB device is capable of. In this video I capture the conversation and walk through what's going on.
2021x7
How does n-key rollover work?
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2021x8
SPI: The serial peripheral interface
Episode overview
More 6502 computer info: https://eater.net/6502 Here's the temperature sensor module used in this video: https://amzn.to/2Wye3Ex More info on the sensor: https://tiny.cc/bme280
2021x9
Why was Facebook down for five hours?
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2021x10
How do hardware timers work?
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