RF module woes
9 October, 2012 - 14:07
I'm having a real struggle with my RF which doesn't seem to be working at the moment in spite of working fine throughout last winter, it seemed to give up the ghost sometime during the summer. I've tried a new RF module and a new molex plug on the PCB but I still can't seem to get it working.
With the HAH PCB installed and the box open and powered up I get 12.03 volts between GND and VCC on the RF module and the Module works OK if I plug it into a prototyping board and use an arduino to drive it. I've tried different RF modules and nothing seems to work. I've had occasional success with the box open and flat on the bench but it's not at all reliable. I'ts entirely possible that it's my poor soldering that is at fault but I don't know how to test or what to test to make any difference.
Any suggestions would be gratefully received.
10 October, 2012 - 17:53
#3
No need
I havent looked but i am sure the schematic is avalible.
Just hard jumper with apiece of thin wire from where it goes to where it should go.
this is done even "professionally" and i have done it many times where a pad becomes detatched from the board :)
Dean
P.S please don't throw the towell in you have been a great resource on this board.
11 October, 2012 - 12:29
#4
If a new PCB would help ...
... I can send one out with the 'minimal component set' that you need to do RF. It really just needs the RJ11/vreg/diode and a socket or two.
Derek
11 October, 2012 - 15:21
#5
or as a latch ditch attempt
post it too me and i willtry and repair it and test.
no cost
think you have my address if not PM me.
Dean
13 October, 2012 - 16:29
#8
Don't leave us :(I'm having
Don't leave us :(
I'm having fun (not) trying to get a 20x4 LCD to work. The rest of the system is fine and all nicely mounted in a spare 19" rack that was gifted to me at work, along with 433 and 868 antenae.
I now have boiler control with pre-emptive heating i.e. I tell it what temp I want at what time and it starts heating based on inside and outside temp as I now know how quickly the house warms. I know the amount of gas I am using and I'm charting the relationships between sunshine and my happiness ;)
Keep at it...
14 October, 2012 - 09:06
#10
Parts going out on Monday
Allan,
No need for any cash. I'm just keen to see you up & running again. You already have the 'expensive' parts like the RF module and the micro.
Derek.
17 October, 2012 - 20:50
#11
I have installed one of the
I have installed one of the HE mains sockets in a box next to the existing roomstat RF receiver, that way they run in parallel, I have intermittent problems with the roomstat but also want a backup for the HAH so I don't loose heating control should either go down.
I had an idea of the heating times from last winter. The roomstat has a function to do the same and so I based it on last years experience. It's not an exact science and as for using the gas more economically...I don't know yet.
I also plan to run the system with low and high temps controlled via timer (standard system) and then try running at a fixed temp to see which is more effiecient. There was no easy to do this except go outside in the cold and read the meter daily but now I have all these monitors I can do it from the comfort of my living room (saves opening the doors and letting the heat out too)
:)
18 October, 2012 - 19:52
#15
Remember something about!!!
V2 is on bascom and v3 is in C. I seem to remember needing to modify the URF strings slightly for slight timing differences. Sure Derek will know more.
What sockets are you using so we can check your strings.
Sounds something minor only is wrong to me.
Garry
18 October, 2012 - 19:55
#16
I hope it is
something simple.
sorry i cannot help on your problem, BUT once you solve it please post resoloutioin.
Dean
18 October, 2012 - 21:34
#18
???
Ok so your checking transmission?! In that case I'm stumped.
Will keep pondering on it. I'm thinking you need to try a verified 3.4 chip but I ain't got any spare or I'd post it, sorry.
G.
20 October, 2012 - 18:14
#21
you could find
It was a corrupted ini file, seen that once before causing me grief.
Glad you got it working :)
Seems like you have tried everything.
if you have a scope you could look at the data line?
my only suggestion is perhaps the 12v voltage regulator has gone iffy-seems fine until put under load then voltage drops-seen this on these 3 pin things before.
I swapped mine for a 7812 which is larger (and has to be mounted off board) but handles 1amp-i did this as i am not using the stock psu system. for the cost i would try replacing the voltage regulator to start with.
Dean