dual channel optocoupler ESP8266

dual channel optocoupler ESP8266

thingiverse

Minimalistic housing for a PC817 dual channel optocoupler with an d1 mini (clone).There are notches for both boards to use snap in mounting.Those boards could be used with NPN Hall sensor for example.Due to the height of the housing, all terminals from the PC817 have to be dismounted.In this case I use the boards for my sensus 620 watermeter.

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