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# Star-Track # Star-Track
more info: http://www.instructables.com/id/Star-Track-Arduino-Powered-Star-Pointer-and-Tracke/
Arduino powered GoTo-mount inspired star tracking system. Arduino powered GoTo-mount inspired star tracking system.
more info: http://www.instructables.com/id/Star-Track-Arduino-Powered-Star-Pointer-and-Tracke/
There are two Arduino's working in order. Arduino Uno being master and nano being the slave. There are two Arduino's working in order. Arduino Uno being master and nano being the slave.
Master module Master module
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The master(Uno) module has two inputs, The master(Uno) module has two inputs,
1-Gyro data 1-Gyro data
2-RTC(Real Time Clock) data 2-RTC(Real Time Clock) data
and 6 outputs, and 6 outputs,
1-cw(base motor clockwise) 1-cw(base motor clockwise)
2-ccw(base motor counter clockwise) 2-ccw(base motor counter clockwise)
3-stahp(base motor stop) 3-stahp(base motor stop)
4-cw2(DEC motor clockwise) 4-cw2(DEC motor clockwise)
5-ccw2(DEC motor counter clockwise) 5-ccw2(DEC motor counter clockwise)
6-stahp2(DEC motor stop) 6-stahp2(DEC motor stop)
The RTC is set to UTC time, a function calculates local sidereal time in degrees and rotates the mount to 0h RA position. The loop constantly checks if the gyro data is equal to the user input & sidereal time data. The default is 0,0. If there is a change and the equality breaks the master module send a command to the slave module. The RTC is set to UTC time, a function calculates local sidereal time in degrees and rotates the mount to 0h RA position. The loop constantly checks if the gyro data is equal to the user input & sidereal time data. The default is 0,0. If there is a change and the equality breaks the master module send a command to the slave module.
If the user value is higher than the gyro value a signal is sent through cw the motor turns clockwise. If the user value is higher than the gyro value a signal is sent through cw the motor turns clockwise.
If the user value is less than the gyro value a signal is sent through ccw the motor turns counter clockwise If the user value is less than the gyro value a signal is sent through ccw the motor turns counter clockwise
If the user value is equal to the gyro value a signal is sent through stahp and the motor stops If the user value is equal to the gyro value a signal is sent through stahp and the motor stops
same for cw2,ccw2,stahp2. same for cw2,ccw2,stahp2.