Hi guys, been a long time since I last posted here!
I'm currently converting a push lawnmower to be radio controlled in the hopes that I'll be able to mow the lawn from the comfort of my lounge! (with the help of a wireless video link, of course).
I bought a couple of cheap used kids electric scooters and salvaged some 150w brushed motors from them. I've built a frame and I'm close to being finished with the mechanical side of things (using a friction drive onto some trolley wheels for my drive).
My problem currently is tracking down an appropriate motor controller. I want to run 24v, be able to reverse if required, be able to supply up to about 20a and most importantly, cheap! Does anyone have any suggestions on what I might be able to use? Standard RC controllers are out of the question as most of them are limited to 12v. There's plenty of robot style motor controllers around that would do the job, but they cost more than double what I've spent on the rest of the project in total so far and I'm on a tight budget! Whatever I end up using, I need a way to control it via a PWM signal from my radio controls receiver.
I'll post some photos later if anyone is interested
Cheers!
Daniel
I'm currently converting a push lawnmower to be radio controlled in the hopes that I'll be able to mow the lawn from the comfort of my lounge! (with the help of a wireless video link, of course).
I bought a couple of cheap used kids electric scooters and salvaged some 150w brushed motors from them. I've built a frame and I'm close to being finished with the mechanical side of things (using a friction drive onto some trolley wheels for my drive).
My problem currently is tracking down an appropriate motor controller. I want to run 24v, be able to reverse if required, be able to supply up to about 20a and most importantly, cheap! Does anyone have any suggestions on what I might be able to use? Standard RC controllers are out of the question as most of them are limited to 12v. There's plenty of robot style motor controllers around that would do the job, but they cost more than double what I've spent on the rest of the project in total so far and I'm on a tight budget! Whatever I end up using, I need a way to control it via a PWM signal from my radio controls receiver.
I'll post some photos later if anyone is interested
Cheers!
Daniel