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We are made use of to seeing clocks with 7-segment display screens which, via the changing on and also off of some LEDs, develop the numbers. This task is various, actually as opposed to the LEDs we locate stepper electric motors that, by establishing the poles moving, permit the visualization of the numbers as if it were a timeless LED display screen.
The circuit is based upon 4 Arduino Nano, one for every figure, 28 stepper electric motors, with its ULN2003 controller and also 16 7HCT4094 8-bit change signs up. Obviously it is likewise feasible to utilize servomotors as opposed to utilizing the stepper electric motors and also incorporated circuits simply detailed, adjusting the circuit and also the code.
The 4 Arduino Nano connect with each various other through the I2C bus, among which works as a Master and also obtains the moment from a DS3231 component.
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