PNI13156 is the latest geomagnetic sensor driver chip Magi2C launched by PNI Corporation in the United States, mainly replacing the previously produced PNI12927 and the older model PNI11096 Of course, they all need to be used in conjunction with PNI's geomagnetic sensors PNI13104 and PNI13101. Each driver chip 13156 can accommodate up to three sensors, and any combination of PNI13104 and PNI13101 is acceptable.