Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Thanks for your response. I'm not powering the motor by USB or from a pin on the Arduino. The motor is powered by my 10A bench power supply. When I try powering the microcontroller from this same power supply it doesn't work, but when I power the microcontroller separately (by USB), it does work.
Thank you for your responses. I have attached the images to this message.
The motor in question is a Syma X5C DC quadcopter motor which draws 1.5-2A with props attached.
In the DC motor circuits I've looked at, I've never seen people go to such efforts to decouple components from each other...
I've been experimenting with DC motor control using PWM from an Arduino Nano. Something I've noticed is that the circuit only works when the motor and controller use different voltage sources (see circuit 2). e.g. when the Arduino is powered by its USB port, and the motor is powered by my bench...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
