Datasheet

Click here to get Arduino code
UIFlow
Arduino
Releas
e Date
Product Change Note:
2020.6
Initial public
release<
/
2021.7
USB Chip changed
from CP2104 to
CH9102F
The actual delivery has two chip versions,
CP2104/CH9102F, and there is no difference in
function and use
phone, open the app to do stuff
Example
Arduino
Tutorial
Version Change