Name: SparkFun RFID Qwiic Reader
Brand: SparkFun

Parts › Communication & Wireless › NFC & RFID Readers

SEN-15191 · SparkFunActive

Simplify 125kHz RFID integration with this Qwiic-enabled, I 2 C-based breakout board that automatically buffers up to 20 timestamped scans for easy retrieval. (SparkFun SEN-15191)

Part number	SEN-15191
Manufacturer	SparkFun
Category	Communication & Wireless › NFC & RFID Readers
Pins	4
Frequency	125 kHz

SparkFun RFID Qwiic Reader pinout

Pin	Name	Type
1	GND	ground
2	3V3	power
3	SDA	bidirectional
4	SCL	input

Schematic symbol and footprint

Schematic symbol

Footprint: JST-SH 4-pin SMD right-angle (SM04B-SRSS-TB) - Qwiic / STEMMA QT — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.