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JoelR 2020-08-10 10:04:15
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Q: Does it need a sim card??

Asked by phak on 2019-10-08 03:29:39

JoelR Apparently yes, see video at h t t p s:// Joel

2019-10-13 01:17:55 Helpful (0)
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Q: Any idea on how this sensor work ?

Asked by JoelR on 2018-02-19 04:20:55

vooon It releases pin and touches bed. In some point magnetic flux return pin inside coil (this position should be stable). IR optical coupler detects that.

2018-02-22 03:21:02 Helpful (0)
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