Raspberry Pi Python RTC with MAX7219 Display Driver 

Lewis, you are an excellent educator, great work, just what I was looking for.

Hi there, I find myself coming back to you often I like your expertise very much. Josef-Olivia

Thanks a lot for the script!

Related pages: www.bristolwatch.com/ele2/rpi_clock_max7219.htm www.bristolwatch.com/ele2/arduino_74HC595.htm www.bristolwatch.com/ele2/rpi_count_max7219.htm www.bristolwatch.com/ele2/74HC595_cylon.htm www.bristolwatch.com/ele2/arduino_MM5451.htm www.bristolwatch.com/ele2/rpi_MM5451.htm

this could simplify the code str1= time.strftime("%S-%M-%H")

This is what I should have posted str1 = time.strftime("%H-%M-%S") Then no need to test for ":" As this will give HH-MM-SS to str1