OLED clock using the builtin RTC of the STM32F446RE

Dependencies:   mbed OLED_SSD1306_SH1106

Revision:
0:696ab398b667
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OLED_SSD1306_SH1106.lib	Thu Feb 03 14:54:24 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/cspista/code/OLED_SSD1306_SH1106/#da33cca77ce5