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
- 1-WIRE interface, for connecting single-bus 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
- 10-bit ADC, 38KSPS, 11-ch (6-ch for Arduino interface, 5-ch for sensors)
- 16-bit DAC, 2-ch
- 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
- 1-WIRE interface: for connecting single-bus 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 pre-burnt system, to start up Compute Module 3/3+ Lite variant
- TLC1543: AD converter
- DAC8552: 16-bit DAC, 2-ch
- DS3231: high-precision 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, 1-WIRE interface, IR receiver, and buzzer
- Arduino AD selection
- connect 1 and 2: Arduino A0-A5 as digital control pin
- connect 2 and 3: Arduino A0-A5 as AD input