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minimal BOM (minus small passives):
- Core
- SoC
- power management/regulator IC for SoC
- RAM
- Onboard FLASH
- FRAM chip (SPI? SDIO?)
- WiFi
- regulator/powermanagement
- WiFi baseband
- WiFi radio
- WiFi antenna connector
- 802.15.4
- regulator/powermanagement
- all-in-one chip
- ethernet
- ethernet switch chip and/or PHY chips
- ethernet drivers (for long cable runs)
- connectors with LEDs
- power
- 5/12v regulator, ~1amp
- power connector
- reverse voltage diode
- SD connector
- status LEDs and drivers (PWM from SoC?)
- reset button
- power switch
tests:
- 10/100/1000 half/full duplex fallbacks
- 100m ethernet cable run (full bandwidth)
- high/low temperature reliability
- wireless range and bandwidth
- network latency
- network throughput
- "fair" contention management
- WPA2 actually working
- total bulk data bandwidth
- max small packets/second
- dhcp server performance
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