Hardware revision 10 2023 - aeonSolutions/openScience-Smart-DAQ-to-Upload-Live-Experimental-Data-to-a-Data-Repository GitHub Wiki
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Last update: 15-11-2023
This page describes all hardware specifications for the 09-2023 revision. To goto to the 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);
- 2x SPI Flash WSON-8 Chips for local storage upwards of 4Gbytes.
- Authentication & Security:
- SOIC-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:
- 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;
- 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 12-bit resolution (plus oversampling & digitization) digital terminal connector (3 pin)
- 1x ADC Ohmmeter connection with 12-bit resolution (plus oversampling & digitization) with manual scale selection via dip switch
- 1.69" TFT LCD Display with a resolution of 320x280 px
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Connector Power: MCU IO ??
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Voltage Reference: MCU IO ??
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Channel 1 ADC: MCU IO ??
- 3 pins JST SH 1.0mm connector: 3.31V DC , GND, ADC
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Channel 2 I2C: MCU IO 8 (SDA); MCU IO 9 (SCK)
- 4 pins JST SH 1.0mm connector : SDA, SCK, 3.31V DC, GND
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Battery Level : MCU IO ??
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2x 2-pin battery JST SH 1.0mm connector
- Max input 5.0V DC
standard 5.0V DC USB-C connector, max 1A