[chbot] Scooter controllers

[Stephen Irons]

My neighbour's mobility scooter has a forward-reverse switch, so I assume
it is a uni-directional controller.

Cost suggests one power FET rather than 4...
On Dec 14, 2014 12:13 AM, "Robin Gilks" <robin at gilks.org> wrote:

> Greetings all
>
> Something for you all to think on before Monday - do cheap Chinese scooter
> controllers (irrespective on how they rate power capability) have reverse
> (i.e. a bridge) or are they in the main just series FETs. Most seem to be
> advertised as scooter/ebike controllers - and a bike doesn't need to go
> backwards!!
>
> Those that I used to have access to used a 0-5 volt signal with 2.5 being
> stopped, 0 as full reverse and 5 as full speed forward. I can probably get
> a couple of these but 10 bucks to china is much cheaper although I doubt
> I'll see anything this side of Xmas!
>
> Cheers
>
> --
> Robin Gilks
>
>
>
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