CM IO Board

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CM3 IO Board
CM3 IO Board
CM3 IO Board
CM3 IO BOARD ALU CASE
CM3 IO BOARD ALU CASE

Overview

CM IO board is an expansion board designed for Raspberry pi compute model CM3 and CM3 lite,(also support CM1). You can get the more wide range and more flexible application environment, you can get more simpler interface

CM3-io-board-1.jpg

We designed the following port:

  • USB A
  • HDMI
  • Micro USB for Power
  • Micro USB for data (Support OTG)
  • CSI for Camera
  • PH2.0 Battery Port
  • Micro SD Card Slot
  • On/Off Switch
  • AV Slot (Only reserve the weld position for AV)
  • Compatible with [[CM3 ALU Case | Ultra-thin aluminum alloy]

Features

  • Can use CM3 or CM3L to implement the Raspberry Pi 3B/3B+ function;
  • More GPIO extensions than Raspberry Pi 3B: include standard HAT 40PIN GPIO output (fully compatible with Raspberry Pi 3B/3B+) and extra extension 14 PIN GPIO;
  • Compatible with various expansion boards of Raspberry Pi
  • Support power the board via battery, can read battery capacity by programing
  • Support RTC (need to power the board via PH2.0 battery port)
  • Support CSI/DSI
  • Support OTG interface (via Micro USB Port for data)
  • Support CM3 (build in 4GB NAND Flash), support CM3L (TF card slot has a place to use)

Indicator light

D1, D2 are battery charge status lights

  • D1 is on and D2 is off: Charging (red light)
  • D1 is off and D2 is on: charging is complete (green light)
  • D1 on and D2 on: Test mode (red and green lights are on together)

D3 & D4

  • D3: Raspberry Pi ACT Status Light
  • D4: Power indicator

About RTC Function

The RTC clock clip is DS3231, and you need to use the external battery do power the RTC via PH 2.0 battery port.(at the same time, the battery can power this IO board also)

How to config CSI and DSI

#Add the following line in the config file (config.txt)
dtoverlay=mmc
#starup raspberry pi, and enter the console;
wget http://www.raspberrypiwiki.com/download/cm3-io-board/dt-blob-csi-dsi.bin
sudo mv dt-blob-csi-dsi.bin /boot/dt-blob.bin

Aluminum Alloy Case

This is the matching alu case.

CM3 IO BOARD ALU CASE

Download

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