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Topic: Running a Fischertechnik Motor on Arduino UNO (Read 2587 times) previous topic - next topic

Poisonpudge

This may seem very easy, but I haven't been able to find a post with answers or any webpages with answers. Currently all I have is the Arduino UNO, USB Cable, and the Fishertechnik Motor. I need to have this motor running by Monday. I will be able to get bread board and wires, resistors and all the works tomorrow, but I need a specific list of what it is I'll need. Thanks in advance.


Motor specifications: Voltage 9 VDC, Maximum power 1.4W at 340rpm, gear ratio 8:1.

AWOL

Have you got a motor shield?
Any transistors?
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

Poisonpudge


Have you got a motor shield?


No, I was really hoping I wasn't going to need one. The transistors on the other hand I know I'm going to get tomorrow. Are there any specific kind that I need for this specific project? Sorry. I'm not very experienced in this field yet.

AWOL

It needs to be able to handle 1.4/9 = 150mA.
Do you need to control speed and direction?
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

PeterH

You will need a suitable power supply for the motor, of course.

If you only need to drive the motor in one way then you could get away with a single transistor, resistor, diode and you'll find plenty of documentation about how to connect that circuit. If you need to be able to drive it in both directions then you will need an H-bridge driver which in practical terms means you want a motor drive shield. (That's also the simplest way to drive the motor in one direction if you aren't comfortable designing transistor circuits.)

Poisonpudge


It needs to be able to handle 1.4/9 = 150mA.
Do you need to control speed and direction?


At some point yes. As for right now I just need to be able to make the motor turn on and off.

AWOL

"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

Shpaget

L293 or something similar should be sufficiently powerful.

GoForSmoke

This motor?

http://www.studica.com/Fischertechnik/fischertechnik-power-motor-set.html

Can you use the rest of the set? If so then you only need to replace the battery with power Arduino turns on and off. Arduino pin to resistor to transistor grid for control and 9V from battery or power supply goes through collector to emitter of the transistor straight to motor.

Do not forget to connect ALL the grounds together, 9V supply ground and Arduino ground should be common. You also may need at least one capacitor between ground and the 9V for surge protection.

Nick Gammon on multitasking Arduinos:
1) http://gammon.com.au/blink
2) http://gammon.com.au/serial
3) http://gammon.com.au/interrupts

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