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  1. johnamon

    Battery mounting options

    Storage will depend on how you build up your battery. For me it's LiPo's and so I popped them in a bikepacking bag, for me a Revelate Tangle, and strapped it on tight to the downtube..
  2. johnamon

    $14.99 72v Sunwin Controller

    Slightly off topic. But I would like to buy a xie-Chang Infineon without the mods so that I can solder the programming wires & modify the current with stock caps & mosfets but I can't find them either - much like the sunwin board
  3. johnamon

    $14.99 72v Sunwin Controller

    is it just me, or has the price gone up a lot since the original post?
  4. johnamon

    Turnigy Multistar - lightweight 10C cells

    good to see that someone else's decorative glass table is their 'hobby table' :lol:
  5. johnamon

    Turnigy Multistar - lightweight 10C cells

    Please post a few photos of everything in one shot with a reference item (tin of Coke is a good example as it's a similar shape)..... and width, height, lengths. Thanks!
  6. johnamon

    ES Downtime Scheduled, Thur Aug 6th 12:00 PST

    +1. Google searches seem to return https results from time to time that result in browser reporting a certificate error, this isn't a criticism, but there does seem to be an issue!
  7. johnamon

    Handheld Serial Programming: USB or Wireless

    Well done mate, cracking update 8)
  8. johnamon

    Push Button Throttle

    Hi guys, I have updated the software to make the buttons behave better, they seem less jittery now. In order to remove the jitter I have also manually tabulated the throttle values, rather than allowing the arduino map function to calculate them on the fly. With the manually input throttle...
  9. johnamon

    Handheld Serial Programming: USB or Wireless

    Here's a direct link to the above - it looks like exactly what you might need - but a few months too late... :evil:
  10. johnamon

    Push Button Throttle

    I am using servos to actuate the normal derailleur wires, which are clamped to the servos near the bottom bracket. I am using a single up, and a single down button with two functions each: momentary press of up/down button = rear derailleur up/down 1 second press of up/down button = front...
  11. johnamon

    Push Button Throttle

    Hi Gregory, Your wee board looks great 8) My buttons are a little jumpy and I can't quite work out why. I am using another button library for my servo derailleurs, and I like how it functions much better. I will update the code for the throttle with the alternative button library and see...
  12. johnamon

    Handheld Serial Programming: USB or Wireless

    I have an iPhone. SoftwareSerial should work for talking to the MCU. I don't quite follow the com port issue unfortunately, I've read the post a couple of times but I just don't have the depth of knowledge you do - please don't spend your time trying to explain the com port issue in detail...
  13. johnamon

    Handheld Serial Programming: USB or Wireless

    There's a lot of information in there! :? It appears that there is at least one issue which you have described above which is solved now and can now be closed out? How you store the variables is neither here nor there really because you seem to have developed a couple of ways to present...
  14. johnamon

    Crimping tool

    I use a tool very similar to the following tool for my 45amp and 30amp connectors http://www.ebay.co.uk/itm/Crimping-Tool-Wire-Stripper-Cutter-With-Accessories..... It works great, perhaps 1 crimp in every 5 to 10 fails the pull-as-hard-as-you-can test :lol: With a 30amp powerpole you need...
  15. johnamon

    Push Button Throttle

    Thanks for the interest - while my bike is indoors and messing up my apartment I am taking the opportunity to complete my other bike mod this weekend (using an ATTiny, buttons and servos to function the derailleurs). I hope to be finished all the mods by the end of the coming weekend so I can...
  16. johnamon

    EV Range Anxiety - Two suggestions

    nobody else has said it, so I will :wink:
  17. johnamon

    Bearings. All you could ever wish to know about...

    ha ha ha, 'brinelling' reminded me of thesewhich we use at work 8) It's all in the name... :lol:
  18. johnamon

    Handheld Serial Programming: USB or Wireless

    I worry that the software porting and bluetooth implementation will be so difficult that the project will get bogged down due to being 'too difficult' To clarify my idea - I would not attempt to port software to the arduino, rather write a simple menu system that contains the 20 or so variables...
  19. johnamon

    Handheld Serial Programming: USB or Wireless

    Not to unfairly question the basis of your design, but why not just add a screen & joypad to the arduino and plug it directly into the programming plug of the controller? Run that arduino on batteries, and encase it in a project box. The arduino has sufficient EEPROM to remember the...
  20. johnamon

    Push Button Throttle

    Hi Greg, Thanks for sharing. I've noticed an error in my circuit schematic - the 22uf cap should be 0.22uf! :oops: I've updated the schematic. It looks like you might have the two decoupling caps in series? If so then they should be in parallel. I notice that you are using a couple of...
  21. johnamon

    New build. Full carbon 29er weight weenie Super Commuter.

    I have a bafang BPM and it is very quiet until you push it above 25mph or up a very steep hill - I wonder if your overvolted (and probably over-currented) wee bafang is just at it's limit of happieness..! -edit :- My motor does not vibrate heavily, but I wonder if that could be due to...
  22. johnamon

    Push Button Throttle

    Stealthy Throttle.. just waiting on the jst sm's to arrive so I can wheel her out... I should have used black sugru... ah well!
  23. johnamon

    Push Button Throttle

    You are right, but I had sugru available lol :wink: That's another good plan - the beauty of this little chip is that you can fit any buttons you like into any enclosure :) I see no reason why they wouldn't work too :D
  24. johnamon

    Push Button Throttle

  25. johnamon

    Push Button Throttle

    Hi Schwibsi, please see the photo below of the buttons in the process of being sugru'd on to the shifters. For reference, the buttons are 6mm sq. I'm looking forward to having the twist throttle removed, I think the buttons will be much more stealth. If I had any black Sugru left they'd be...
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