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paulvha / scd30_on_raspberry

Program to set and read SCD30 on a raspberry Pi
GNU General Public License v3.0
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SCD30 connecting #2

Closed sean1985zc closed 5 years ago

sean1985zc commented 5 years ago

Could you share your pin settings with the pi and SCD30? many thanks!

paulvha commented 5 years ago

it is defined in the top of the ODT document, which you can open with word or Openoffice. SCD30 Description Raspberry Pi GPIO / PIN VDD power in 3 -5 V 3V3 or 5V / 1 or 2 GND ground GND / 6 SCL Serial Clock 3 / 5 (2) SDA Serial data 2 / 3 (2) RDY data ready Not Connected PWM PWM output Not Connected SEL Interface Select Not Connected

Note *2 SDA/SCL When using soft_I2C (which is default) SDA or SCL can be set to any GPIO,

sean1985zc commented 5 years ago

thanks! that's really helpful