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SparkFun DataLogger IoT - 9DoF

DEV-20594 · SparkFunActive

SparkFun DataLogger IoT - 9DoF photo
SparkFun DataLogger IoT - 9DoF illustration

A zero-code data logger with built-in 9DoF tracking. Automatically detect, configure, and log dozens of Qwiic sensors to a microSD card or the cloud. (SparkFun DEV-20594)

Part numberDEV-20594
ManufacturerSparkFun
CategoryMemory & Storage › SD & Storage Modules
Pins27

SparkFun DataLogger IoT - 9DoF pinout

PinNameTypeDescription
1ESP18/SCKbidirectional
2!RESET!bidirectional
3ESP23/PICObidirectional
4ESP0/!BOOT!bidirectional
5ESP19/POCIbidirectional
6ESP36/A0bidirectional
7ESP33bidirectional
8ESP39/A3bidirectional
9GNDground
10ESP35/A7bidirectional
113.3Vpower
12ESP17/TXDbidirectional
13GNDground
14ESP16/RXDbidirectional
155Vpower
16ESP25/LEDbidirectional
17GNDground
18ESP26/RGBLEDbidirectional
19V_BATTbidirectional
20QWIIC_SCLbidirectional
21QWIIC_SDAbidirectional
223.3V_SWbidirectional
23SHIELDbidirectional
24SHIELDbidirectional
25GNDground
26SHIELDbidirectional
27SHIELDbidirectional

Schematic symbol and footprint

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Footprint: SparkFun DataLogger IoT - 9DOF (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser38$79.95 (1+)View
DigiKey—$79.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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