SparkFun DataLogger IoT - ESP32-WROOM-32E - SparkFun DEV-22462

Index: SPF-23974
SparkFun DataLogger IoT is a data logger programmed to automatically log sensor data to a CSV or JSON file. The module can be configured to take as many as 26 readings per second (with default sensors enabled) or to take 1 reading every 24 hours . SparkFun DataLogger IoT is also equipped with an ESP32-WROOM-32E microcontroller with 2.4 GHz WiFi wireless communication, thanks to which you can also send data to the cloud.
SparkFun DataLogger IoT - ESP32-WROOM-32E - SparkFun DEV-22462
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Manufacturer: SparkFun

Product description: SparkFun DataLogger IoT - data logger - ESP32-WROOM-32E - SparkFun DEV-22462

SparkFun DataLogger IoT is a data logger programmed to automatically log sensor data to a CSV or JSON file. The module can be configured to take as many as 26 readings per second (with default sensors enabled) or to take 1 reading every 24 hours . SparkFun DataLogger IoT is also equipped with an ESP32-WROOM-32E microcontroller with 2.4 GHz WiFi wireless communication , thanks to which you can also send data to the cloud. The collected data may have a timestamp if the module is synchronized with NTP, GNSS or RTC.

The manufacturer has also prepared a user guide that makes it much easier to start working with the module. Check!

SparkFun DataLogger IoT - data logger - ESP32-WROOM-32E - SparkFun DEV-22462.

Data logger from SparkFun.

Main features of the development board

  • Enables automatic discovery, configuration and registration of Qwiic sensors.
  • It is equipped with an ESP32-WROOM-32E microcontroller with 2.4 GHz WiFi wireless communication, which allows for remote information transfer.
  • Supports popular IoT communication protocols - MQTT Client, Secure MQTT Client, AWS IoT, ThingSpeak MQTT, Azure IoT, HTTP IoT or MachineChat.

  • It has a slot for a microSD memory card on which you can save data in the form of plain text, comma-separated files (i.e. CSV) or JavaScript Object Notation (JSON) files.
  • Supports 4-bit SDIO with microSD cards formatted as FAT32 and older FAT16 (FAT) formats up to 32 GB.

Technical specifications of the board

  • Module type: data logger
  • Microcontroller: ESP32-WROOM-32E
  • Wireless communication: WiFi 2.4 GHz
  • USB-UART converter: CH340C
  • Operating voltage range:
    • from 3.3 V to 6 V (via VIN pin)
    • 5V from USB (via 5V pin or USB Type C)
    • from 3.6 V to 4.2 V from a Li-Pol battery (via the BATT pin or 2-pin JST connector)
  • Li-Pol battery charging: integrated single-cell charger MCP73831
    • minimum charging speed: 500 mA
  • Output voltage: 3.3 V (via pin 3V3)
  • Li-Pol battery level indicator: MAX17048
  • Pins: solder pads, Qwiic connector
  • Ports: 1x USB type C, 1x JST connector for Li-Pol battery, 1x microSD slot (support for 4-bit SDIO and microSD cards formatted to FAT32)
  • User buttons: Reset, Boot
  • Board dimensions: 42.16 x 50.8 mm
  • Weight: 10.65 g

The pins are placed on both sides of the board.

Package width 5 cm
Package height 8 cm
Package depth 1 cm
Package weight 0.011 kg

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