Output Devices
Group Assignment 2022 (Raffaele Alone)
As in the following week we will work with NEMA17 motors, I am going to measure the power consumption of the driver associated to motor that we will use. It's a Nema17 stepper motor controlled Arduino Board.
I will connect my electronic plate with the Nema 17 engine as seen in the photo (driver DRV8825).
![](images/week10/1.jpeg)
I feed my board at 12 Vdc
![](images/week10/2.jpeg)
In this photo it can be seen that the measurement shows an intensity value 0.000 amps to a stopped motor
![](images/week10/3.jpeg)
In this other photo we can see that the intensity in amps measured when the motor is running is 0.225 amps
![](images/week10/4.jpeg)
We can then say that the intensity needed to start the motor is 0.225 amps
The electrical power needed to start the motor is from the motor is P= VxA = (12v)(0.225) =2.7 W