Reference Embedded Platform PCB Design
Joseph Winn
Top Level Schematic
Schematic capture and PCB layout of an embedded prototype platform powered by a Micro USB +5v connection, with USB interface to a ST STM32F103 Microcontroller. Additional platform features include:
CAN and RS-485 communication peripherals.
SPI interface to an AdaFruit 1.8" TFT LCD module.
UART interface to a ESP8266 WiFi module.
SDIO to on-board Micro SD card slot.
PWM, ADC, DAC, and 4-20mA signals routed to terminal block for mixed-signal control.
Main microcontroller linked to Nordic nRF52832 MCU via SPI and GPIO for Bluetooth Low Energy connectivity support.
PCB Gerbers generated and passed DFM check with no errors and no warnings. Board successfully fabricated with contract manufacturer.
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Posted Oct 24, 2022
Reference Embedded Evaluation Platform design to demonstrate digital, mixed signal, and connectivity features.
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