Chris Bott - Moderator
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Everything posted by Chris Bott - Moderator
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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Hi Robert. Welcome to the forum. What are you hoping to do with your models? Stick to drones? Take up photography with them or maybe racing? Or move on to planes or helicopters?
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FrSky Neuron ESC
Chris Bott - Moderator replied to Mike Blandford's topic in ESCs (Speed Controllers)
Andy I did wonder about this well before Neurons appeared but never did try anything. It shouldn't be too hard to, at least, alarm if the difference between RPMs is above a threshold. The pilot could then elect to take action. Maybe reduce throttle or even deadstick to landing. -
FrSky Neuron ESC
Chris Bott - Moderator replied to Mike Blandford's topic in ESCs (Speed Controllers)
The multiplier is in the Tx, Peter. Edit the RPM telemetry parameter and there might even be two adjustments available IIRC. -
From the album: 1S Wattmeter
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1S Wattmeter
Chris Bott - Moderator replied to Chris Bott - Moderator's topic in Gadgets and Electronics
Thanks Danny. Right - we now need to discuss kits of parts etc. I'd like to keep costs down as far as possible for everyone. I'm up to around £120 spent on development parts. I don't need to make that back or break even or anything but would like to make a dent in it at least. Which way would anyone interested like to go? I will list a set of part numbers available from bitsbox.co.uk. (There are plenty of other suppliers). As well as that list, builders will need PCB, 3d Printed case, 4 screws, flying leads to suit your batts/models. I could do pre-programmed arduinos, I could supply full kits, I could build fully tested units. So, my first stab at prices are these:- Complete, built and tested - £40 you'll still need to add flying leads - post at cost. Full kit - £30 - you'll still need screws and flying leads. - post at cost. PCB - £2 each + £1 postage (I've done that before) 3d Printed case - £10 - post at cost. Pre programmed arduino on it's own - £5 - post at cost. Obviously I'd combine post, not interested in profiting from that. I'm not keen on buying stock just in case I get an order, so all orders would be subject to a short delay while I get the parts. Here are the parts that can be had from bitsbox.co.uk Plus p&p I'm quite happy to be flexible, take suggestions, buy in the right flying leads if we can identify them and a suplier, etc etc. Edited By Chris Bott - Moderator on 23/05/2020 11:52:47 -
1S Wattmeter
Chris Bott - Moderator replied to Chris Bott - Moderator's topic in Gadgets and Electronics
Good news then, the new PCB has been built up and works fine. All componets fit nicely and the extra physical support for the other end of the display board works really well. -
From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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From the album: 1S Wattmeter
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1S Wattmeter
Chris Bott - Moderator replied to Chris Bott - Moderator's topic in Gadgets and Electronics
Peter - thanks for the update. I'm hoping for a component delivery today so I can move this along. -
1S Wattmeter
Chris Bott - Moderator replied to Chris Bott - Moderator's topic in Gadgets and Electronics
Hi Peter. I think, just from your results, that this is asking too much from our very simplistic design. Are you able to test with a multimeter for comparison? These came today Of course I'm out of Arduinos so ordered some to arrive last week. A parcel finally came yesterday but it contained an HDMI cable, so I'm now going through a returns procedure. I'll get the money back 14 days after they receive the cable back. (Why is nothing straightforward?) So more have been ordered and I'm at the mercy of the mail service, again. I'm just contemplating whether to retrieve a used one from a previous project. Can I guarantee it will still be a working one by the time I have it unsoldered? I'll ponder a little longer and let you know if/when I have any progress. -
From the album: 1S Wattmeter
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Your standard insatallation of FRSKY equipment
Chris Bott - Moderator replied to Andy J's topic in FrSky
Ron I guess it would be perfectly feasible to solder rows of pins in place, rather than sockets. But then that would defeat one of the advantages that I've found, and that is how easy it is to unplug a Rx while leaving all wiring completely intact. -
Your standard insatallation of FRSKY equipment
Chris Bott - Moderator replied to Andy J's topic in FrSky
Posted by Andy Joyce on 07/05/2020 11:05:55: Chis looks very interesting what you have designed. Had you got a price in mind for the item yet? Hi Andy Apoligies that I hadn't spotted this question before. I would like to share this with others but am not sure which way to go. Would you be interested in a kit of parts or maybe just a PCB and programmed telemetry chip? I guess the 3d printed box is integral too. One problem with this solution is that receiver types come in different pin layouts on the end and case sizes. This is specifically for X8R and S8R. Is the Rx you intend using exactly the same in terms of case and sockets? -
Use of SBUS/PPM converters in a wing.
Chris Bott - Moderator replied to David Hall 9's topic in General Radio Discussion
Stu, I'm not sure I've seen any official documentation but it keeps coming up in threads here and other forums. Have a good read through this one, for example. I've had an aileron servo burn out in flight in a warbird and was using the FrSky decoder. This was after 10s of good flights. It landed OK but was making quite a whining noise and was to hot to touch when the hatch was removed. Of course I can't know if it was the frame rate or just a faulty servo. PS - There's a post of mine in the thread linked, that mentions how to use a multimeter to check frame rate. -
Use of SBUS/PPM converters in a wing.
Chris Bott - Moderator replied to David Hall 9's topic in General Radio Discussion
Yep we'll be along very quickly As far as I remember there's one more caveat with the FrSky 4 channel decoder - It outputs a servo frame rate that matches the incoming S.Bus frame rate. This is 9mS from FrSky receivers, which makes the servo outputs only suitable for digital servos. Analog ones may work, but may also burn out. The Bangood ones that I've used all appear to have a frame rate of 18mS which is good for all servos. They've been very good for me. As Bob says, just don't forget that all servos in the wing will be drawing power through a single servo plug. As long as total current isn't high, they're very useful. -
Interesting to see you used the FCC version Kevin. Any reason?
