The Data Acquisition module (DAQ for short) is designed for Netduino Go! users looking for a simple, cost-effective platform for integrating analog and digital I/Os, off-the-shelf I2C sensors, time tracking, SDHC storage (up to 16GB) and serial communications to their projects.
Data Acquisition Module Specifications
• Go!Bus 1.0 compliant interface
• 16 Mhz Go!Bus SPI communication
• 18 spring-loaded wire connectors
• Prevent unintentional disconnections and faulty contacts
• Wire release requires using a tiny screw driver
• 8 Analog Input connectors
• 12-bit precision
• 3.3v-tolerant only
• Each connector provides a 3.3v power rail, data, and ground connections
• Internal voltage reference monitor
• Internal battery voltage monitor
• 8 Digital I/O connectors, configurable as any combination of:
• 8 digital inputs
• 8 digital outputs
• 8 PWM outputs
• 7 Interrupt-driven inputs (D0, D1, D2, D3, D5, D6, D7)
• 7 5v tolerant connectors (D0, D1, D2, D3, D5, D6, D7)
• 1 3.3v tolerant-only connector (D4)
• Each connector provides a 5v power rail, a 3.3v power rail, data and ground connections
• I2C port
• Connect multiple I2C sensors on the same bus
• 10, 100 and 400 kHz support
• Provide SCL, SDA, GND connections
•USART port
• RTS / CTS Hardware flow control support
• Baud rate from 110 baud up to 921600 baud
• Configured for 115200 baud by default
• Provide RX, TX, RTS, CTS, GND connections
• SD card reader
• SDHC cards supported up to 16 GB
• Embedded FAT12/16/32 file system
• Short file name (8.3) support only
• SD card sold separately
• Real Time clock
• 32,768 kHz external time-keeping crystal
• Year, month, day, hour, minute second, millisecond
• 4 user-defined 32-bit configuration registers
• Battery backed
• A 3v Lithium battery is included with the DAQ
• 19 red, user-controllable status LEDs
• 8 analog input status LEDs
• 8 GPIO status LEDs
• 1 SD card reader status LED
• 1 USART status LED
• 1 I2C status LED
• Built-in system diagnostics
• User-configurable output to serial port
• Optional 0.1" power pin headers (5v, 3.3v, GND)
• Optional 0.1" JTAG/SWD pin headers
• MCU
• ARM Cortex-M0 (STM32F051R8T6) clocked @ 48 Mhz
• 16 Mhz external crystal for precise PWM, USART, I2C timing
• OSHW design
• OSS C# drivers
• OSS C firmware (built with IAR Systems Workbench)