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B8M Schematic

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B8M Schematic
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#4
01-16-2026, 05:17 AM
1. here is PCF8575 schematic.

   

2. sorry, B8M no RF433M resource, we have updated pin define, remove the RF433M module pin define.

3. why not use these free gpio?
GPIO13
GPIO14
GPIO21

they are ESP32 pin directly to use.
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Messages In This Thread
B8M Schematic - by mikkojay - 01-15-2026, 06:41 PM
RE: B8M Schematic - by admin - 01-15-2026, 11:25 PM
RE: B8M Schematic - by mikkojay - 01-16-2026, 01:54 AM
RE: B8M Schematic - by admin - 01-16-2026, 05:17 AM
RE: B8M Schematic - by mikkojay - 01-16-2026, 07:06 AM
RE: B8M Schematic - by admin - 01-17-2026, 01:37 AM

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