Well my latest purchase of $A300 worth of 2.4 GHz radio control stuff from HobbyKing has arrived in good order.
I’ve now got 3 transmitters and enough receivers and motor controllers (ESC) and servos to do 8 locos (4 of which don’t exist yet, but you have to plan ahead). (You Poms can just halve the $A figure to get pounds, though your postage from Hong Kong may be more than mine.)
The purchase also included 48, NiMH AA, 2300mAh cells – at about $A1.05 each, delivered. That should be enough for 5 or 6 locos.
So with the money previously spent, I’ll now get 8 locos radio controlled for under $A500 including batteries!
For my first project, I’ve used one lot of equipment to do an RC track power control.
I run almost all battery power locos now, but I still have four, 433 MHz track controllers, but only use them for visitors. I selected the least reliable of the 4 for conversion.
As the old controller had a 30V supply, I couldn’t use a stock ESC rated at 15V, so I built my own using a Picaxe microcontroller.
There’s no much to show, but here is a block circuit diagram.
For more info on this conversion, see my webpage :-
http://www.members.optusnet.com.au/satr/2point4GHz.htm#picaxeESC
I’ve also done the conversion to make the Tx have two throttles, as per KleineDicke’s topic here:
http://www.gscalecentral.net/tm?m=38253 < Link To Modifying a Hobby King 2.4 GHz 4CH
Here's the transmitter with some of my labelling