Log events on SD card and OneWire
fly4fun last edited by fly4fun
I am using OneWire on Pin19 as digital inputs 1,2,3,5,16,17 used. Now I see conflict when initializing SD card. Is File management / SD card management also using Pin 19? Other pin I could use beyond those occupied already?
felmue last edited by
yes, on M5Stack (Basic, Gray, Fire) GPIO19 is MISO (which is part of SPI) and is used for the SD card as SPI_SDDO. You can see that from the pin map or on the schematic here.
fly4fun last edited by
@felmue thank you Felix, that is very helpful and explains. Will check out other pin. Thanks!