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16‐bit Hardware revision 03‐2024

Miguel Tomas Silva edited this page Apr 13, 2024 · 4 revisions

Home >> Smart DAQ Specifications >> 16-bit Smart DAQ Hardware Specifications >> 16-bit Hardware revision 03-2024

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Last update: 15-11-2023

This page describes all hardware specifications for the 16-bit 10-2023 revision. To goto to the 16-bit Smart DAQ repository where the KiCad Files are, click here.

  • QFN 56 Dual Xtensa LX7 Core Processors running up to 240MHz
    • RISC V ultra-low power co-processor
    • 512Kb RAM
    • 16MB PSRAM (max 1 Gb);
    • 2.4GHz ISM wireless connectivity;

  • Onboard Storage:
    • 16Mb SOIC 8 NOR SPI Flash Memory (max 1Gb);

  • Authentication & Security:
    • UDFN-8 ATSHA204A SHA-256 high-security hardware authentication IC for secure and unique experimental data exchange

  • Power management
    • DFN-6 AUR9718/ST1S09 high efficiency step-down 3.3V 1.5A DC converter;
    • CN3065 4.2V Lipo Battery Management System
    • USB-C connection for 5.0V 1.0A power supply from any power charger found on smartphones or tablets.
    • JST SH 2 pin 1.0mm for specific power supply applications (3.3V to 5.0V 1.0A DC)

  • Onboard sensors:
    • BMP280 Atmospheric Pressure Sensor
    • ENS160 TrueVOC sensor;
    • LFSP-8 AD5683 nano DAC for 16-bit data acquisition;
    • DFN-8 AHT20; temperature sensor with a precision of 0.1 C;
    • DFN-8 AHT20 humidity sensor;
    • LGA-14 LSM6DS3 a 6-axis accelerometer and gyroscope;
    • TEMT6000 Luminosity Sensor;
    • SOT 23-3 reference voltage sensor;
    • Hard reset of all onboard sensors and also all external sensors connected

  • Connectivity
    • 2.4GHz WIFI
    • Bluetooth & BLE
    • USB-C serial communication
    • Serial UART connector

  • External connectivity for up to 118 sensors 12 to 16bit with onboard voltage reference analyzer with temperature compensation and automatic ADC calibration:
    • 1x I2C pin terminal connector (4 pin)
    • 1x ADC with 16-bit resolution (plus oversampling & digitization) digital terminal connector (3 pin)
    • 1x ADC Ohmmeter connection with 16-bit resolution (plus oversampling & digitization) with manual scale selection via dip switch

Display

  • 1.69" TFT LCD Display with a resolution of 320x280 px

Channel 1 & 2

  • Connector Power: MCU IO ??

  • Voltage Reference: MCU IO ??

  • Channel 1 ADC: MCU IO ??

    • 3 pins JST SH 1.0mm connector: 3.31V DC , GND, ADC
  • Channel 2 I2C: MCU IO 8 (SDA); MCU IO 9 (SCK)

    • 4 pins JST SH 1.0mm connector : SDA, SCK, 3.31V DC, GND

Power Source

Battery

  • Battery Level : MCU IO ??

  • 2x 2-pin battery JST SH 1.0mm connector

    • Max input 5.0V DC

USB-C connector

standard 5.0V DC USB-C connector, max 1A

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