Dual-Axis Compass icon Dual-Axis Compass — Dual-axis I2C magnetic sensor for EZ-B robots enabling magnetic direction sensing; requires short 2-3 in wiring. Third-party hardware. Try it →

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#89  

Just for the record, when I ordered several of the green plugs, a couple of them did not work also. It has been so long ago, that it doesn't matter now. But, just so you will know.