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SparkFun Triple Axis Magnetometer Breakout - HMC5883L

SEN-10530
$ 14.95
1
SparkFun HMC6343 Breakout

SEN-12916
$ 149.95
1
Magnetic Door Switch Set

COM-13247
$ 2.95
SparkFun Triple Axis Magnetometer Breakout - MAG3110

SEN-12670
$ 14.95
Hall Effect Sensor - US1881

COM-09312
$ 0.95