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SparkFun DataLogger IoT - 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.
Product withdrawn from sale
This model is no longer made and will not return to our range.
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.

Botland is an official distributor of modules and accessories from SparkFun Electronics. This well known American maker provides a complete base for electronics projects. Our range holds original SparkFun Electronics products only.
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
Useful links
| Name | Value |
|---|---|
| UC - Microcontroller | ESP32-WROOM-32E |
| UC - WiFi | yes |
| UC - USB | USB C |
| UC - microSD | yes |
| UC - Connector | USB typ C |
| Width | 5 cm |
| Height | 8 cm |
| Depth | 1 cm |
| Weight | 0.011 kg |
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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