Xiao rp2040 i2c

[davekw7x]

Late-breaking news: This just in!

The latest version of the XIAO RP2040 board package, 2.7.2, now works with the “normal” I2C Wire object on the designated XIAO RP2040 I2C pins (SDA on D4 and SCL on D5).

I give some graphics examples driving the OLED on the XIAO Extension board in this thread:

Arduino Boards Manager

Huzzah! I can confirm that OLED on the XIAO expansion board works with an XIAO RP2040 using version 2.7.2 of the board package. Here’s my basic test using the U8g2 library (Same as first attachment) /* XIAO RP2040 test of OLED on the Seeeduino SIAO Expansion board Patterned after the u8g2 library HelloWorld example This works with Seeed XIAO RP2040 board package 2.7.2 Note the board type in the u8x8 constructor below. davekw7x April, 2022 */ #include <U8g2lib.h> //…

Regards,

Dave