“Wordclock control board based on ATMega 168 controller and TLC5940NT LED drivers, but no realtime clock chip (uses the ATMega to keep track of the time).”
The design is the Citizen Sensor – Stationary Version 02 by jmsaavedra. He describes the design as “v02 of the Stationary Citizen Sensor module. This version was used in the Weather Tunnel project. http://citizensensor.cc”.
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