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pcbaspro_0003_esp32c3_can_sd_gnss's Introduction

PCBasPRO_0003_ESP32C3_CAN_SD_GNSS

PCB to Study the feasibility of ESP32 on 0002

NOTE: Ongoing updates on text description, PCB and Schematic

Features:

  • 5V input (via CAN or USB)
  • Digital power auto-select CAN, or USB or Battery ( in this order)
  • Battery charger ready (100mA-500mA configurable, Led and battery manager unpopulated )
  • GNSS connector (ongoing pin selection), or GNSS on Board L80 or L80R or L86 (electrolitic capacitor as a bulk and diode unpopulated)
  • CAN Input
  • Usb input
  • SD input
  • Esp32C3 with internal PCB antena
  • ESD ready (not populated)
  • 3v3 LDO
  • 19.6x50mm (easybreak for 43.3mm, 46.3mm, 47mm ) PCB (First draft- 31mmX38mm PCB) ufl conection ready (not for L80R, unpopulated)
  • VESC pin compatible
    • CAN_TX 1
    • CAN_RX 0
    • MOSI 4
    • MISO 6
    • SCK 5
    • CS_sd 7
    • CS_disp 10
    • UART_TX 21
    • UART_RX 20
    • LED_RED_PIN 2
    • LED_BLUE_PIN 3

Current limitations:

  • 3V3 LDO 500mA

My next steps:

  • order assemble PCB's (will order with 002)
  • test

PCB Status:

TOP: Image

Bottom: Image

Second draft TOP: Image Image

Second draft Bottom: Image

First draft TOP: Image First draft Bottom: Image

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