How to Build a Computer …
summary
A small SoC computer called the Any Key is designed and actually built as an SMD kit using an Cortex‑M3 STM32 with a 12 MHz crystal multiplied to 72 MHz and a USB mass‑storage bootloader in ROM so no external programmer is required. The board uses an MCP1801 regulator, 3.3 V rail with 100 nF decoupling caps, a 100 Ω LED resistor derived from Ohm’s law, micro‑USB connectors that are painfully small to solder, and a removable SPI flash option; boards arrive from China and they work.
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chapters (9)
- 0:00Start
- 9:06Arm Cortex
- 12:37Built-in Peripherals
- 17:17Io Ports
- 19:29Gpio Port
- 21:17Power Voltage Regulators
- 31:50Mosfet
- 40:11Self-Healing Fuse
- 51:53How We Get Our Pcbs
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