Back to work tomorrow, but happy as I have managed to finish my Christmas Pi project – a ‘word clock’ using a single a 8×8 matrix display and a PiZero.
I used a MAX7219 to simplify driving the LED matrix, this connects to the PiZero via the SPI port and uses a library developed by Richard Hull to program it in Python. The character layout came from an article in the Guardian.
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DS1307 Real Time Clock breakout board kit: This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. The DS1307 is the most popular RTC, and works best with 5V-based chips such as the Arduino. (read more)
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