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1

I'd like to cover two other techniques that work well, they both transmit horizontal torque to vertical but in slightly different ways that I believe may be useful for different situations. Worm Gears Worm gears are fairly small (less than two studs long). Worm gears are designed to be operated in one direction and can only be driven by the axle with ...


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I found a solution: I multiplied the master motor's value by -1. So, the calculation was: (a-b) it changed to : (-a-b). The result was passed to the slave motor and it did the job.


2

There are two attributes in the python ev3dev Motor class called: ramp_down_sp ramp_up_sp Link to documentation: http://ddemidov.github.io/ev3dev-lang-python/ ramp_down_sp Ramp Down SP: read/write Writing sets the ramp down setpoint. Reading returns the current value. Units are in milliseconds. When set to a value > 0, the motor will ramp the power sent ...


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I think the main problem is, that you use the "Motor on for # degrees". The program will wait until this command is executed (i.e. the required turn is made), and this can take quite long. The next measurement of the angle difference is taken after that. Having a high start deviation and/or fast turning rates of your reference motor, you will not get a ...


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You can even try to make it go at a 90 degree angle and then program the ev3 to go then forward if you can't do otherwise



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