Overview
The Compute Module IO Board Plus is a development board which you can plug a Raspberry Pi Compute Module into and make use of the resources of Pi more flexibly. It is compatible with the Compute Module IO Board V3 from the Raspberry Pi Foundation along with various common use components.
Compute Module IO Board Plus Features
- Compatible with the Compute Module IO Board V3 from the Raspberry Pi Foundation
- Raspberry Pi GPIO header for connecting sorts of Raspberry Pi HATs
- Arduino connectivity also supports Arduino shields
- 1WIRE interface for connecting singlebus devices like DS18B20
- 4x keys 4x LEDs 1x Buzzer for I/O testing
- Onboard USB HUB allows connecting more USB devices
- IR receiver IR remote control is available
- Onboard USB TO UART for serial debugging
- Sensor interface
- 10bit ADC 38KSPS 11ch (6ch for Arduino interface 5ch for sensors)
- 16bit DAC 2ch
- Onboard RTC one of the most common and useful functions
What's on the Compute Module IO Board Plus
- Compute Module interface: for connecting Compute Module (CM3 / CM3L / CM3+ / CM3+L)
- Compute Module GPIO header: breakout all the Compute Module pins
- Raspberry Pi GPIO header: for connecting Raspberry Pi HATs
- CSI interface: camera ports for connecting Raspberry Pi Camera
- DSI interface: display ports for connecting Raspberry Pi LCD
- HDMI port
- USB ports: for connecting USB devices
- USB SLAVE interface: allows you to burn system image in to Compute Module 3/3+
- USB TO UART interface: for serial debugging
- Arduino header: for connecting Arduino shields
- AD/DA input/output screw terminals
- 1WIRE interface: for connecting singlebus devices like DS18B20
- Sensor interface
- Power port: 5V 2.5A
- FE1.1S: USB HUB chip
- 12MHz crystal
- CP2102: USB TO UART converter
- Micro SD card slot: insert a Micro SD card with preburnt system to start up Compute Module 3/3+ Lite variant
- TLC1543: AD converter
- DAC8552: 16bit DAC 2ch
- DS3231: highprecision RTC chip I2C interface
- RTC battery holder: supports CR1220 batteries
- Voltage regulator: 3.3V / 2.5V / 1.8V
- LFN0038K: IR receiver
- Buzzer
- Power indicator
- ACT indicator: indicating the Micro SD card status
- User LEDs
- User Keys
-
BOOT selection
- EN: enable the PC to access SD card/eMMC through USB SLAVE
- DIS: the Compute Module will boot from SD card/eMMC
- VGx power selection: config the I/O level
- USB HUB enable jumper: HUB enable and USB SLAVE power selection
- ADC/DAC configuration: config the power supply and reference voltage of ADC/DAC
- Peripheral configuration: config the control pins of UART user keys user LEDs 1WIRE interface IR receiver and buzzer
-
Arduino AD selection
- connect 1 and 2: Arduino A0A5 as digital control pin
- connect 2 and 3: Arduino A0A5 as AD input