Search results

Date Relevance Most replies

  1. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Yup! The concept, which I think is awesome, and the first iteration were done before I even knew about it :). So credit where credit due. I just took over implementation :) For learning - give the readme file a look. I tried to explain some of the design decisions there. Maybe you can find...
  2. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi flute2k3 I looked a bit at your board and there seems to be some room for improvement if I understand it correctly... I suggest you take a look at v0.5.2 (or v0.5) - I invested quite some thought and time in them, and maybe you should "steal" some ideas at least, if not base your work...
  3. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    "Badgineer" is my best try at self-deprecating humor, so I don't mind if you call me that - or find something you like. Actually if badgineer is too long/werid, just call me "Bad", sounds kinda cool :D That is sort of what I expected. That the error is negligible if samples are close enough...
  4. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Everybody. I just made a pull request for v0.5.2. many minor improvements - but overall electrically almost identical to the v0.5. Software will need tiny changes though Here's the "change log" ### Schematic * changed voltage sense resistors to 10x lower value (basic jlcpcb resistors ->...
  5. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Afzal Isn't it enough if the 2 samples are taken near-simultaneously, as in in very quick succession, for practical purposes? I mean surely, if you have a theoretical system with infinitely fast sampling rate, and sample the 2 phases increasingly close to each other, at some point, for...
  6. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    So you did quite a bit of redesign as far as I can see - so the v0.1 problems might not apply :) good, i also changed them to 0.001 on v0.5, that really needed to be changed. On M365 they're 0.002, so fit better to the standard Opamp gain. Capacitors are increasingly important with rising...
  7. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi. Is anybody from the EU area interested in a group order? I'd be interested in participating (but not organizing :D) A boards with the SMT side assembled at jlcpcb would be 57$ for 5 boards, so ~12$ a piece. I only need 1, so it's hardly a good idea to order 5. And I haven't got the time...
  8. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi. How does your board look like? did you do any serious redesign or did you reuse most of the v0.1 layout? v0.1 did not have the best design (including 2 "bugs") and was quite noisy as a result (casainho tells me). And yeah, when you have a hammer every problem looks like a nail - so the...
  9. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Just a bit of info on the black vs blue pill decision: We went with bluepill because of 2 big reasons. 1) EBiCS v2 and v3 was already set up for this chip! This was by far the main reason. 2) Blackpill does not have any CAN. Personally I would have loved to use the blackpill, seemed...
  10. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi As v3 has already been discussed a bit, I'll add some notes on v2 compatibility. v2 needs the hall sensor signals on pins with timer. The pins used by this version (EasyDIY v0.5) do not have timer! So adapting EBiCS v2 software is not a simple affair. What can be done though is to short...
  11. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi everybody. After what feels like an eternity, I think the next version is ready to see the light of day. I call it v0.5 Highlights: * Complete redesign * Much smaller (72x48mm) * Better components * Better layout * Has an actual name: "EasyDIY ESC" * Low cost parts Here 3D renders...
  12. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi. Apologies to both of you for the mixup. My bad. Have not ideea how I managed :) We have a pair of 2.2 uF ceramics near each fet pair. The zones of GND and VBATT are not identical though. The external area on both sides is VBAT, and GND extends in the thinner inner layers all the way...
  13. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Jrbe, Thanks for the input. Yes, the power and GND has undergone a complete redesign. That was the first thing to be changed. We also redesigned most other aspects (new fets, new gate drives, new opamps, etc etc etc) Will publish a lengthy list soon. The Mosfet was not really suited for...
  14. B

    FLIPSKY new 20s 100A tiny controller (vesc based)

    Hi My respect for you ypl having made a controller worth cloning :). But what a plot twist! :shock: And I thought that flipsky had some super secret fancy sauce on the software side. And they can't even get a header file done. And in yet another plot twist...
  15. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Thanks! 100+ V capable 12V output DC-DC converters are few and hard to find in stock these days, so nice to know about an additional option! For this design we are targeting DIY friendliness so we are searching for a module - and I could only find one, that's sold on ebay and out of stock...
  16. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Max Volts: At this time the Max Volts is 72 (at which the 12V DC-DC module dies) This is the main bottleneck - we could not find a good solution for a small 12V DC module that takes a bigger input. If anybody knows of any small 100 to 12 V DC-DC module, please tell! This is the main...
  17. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Thanks for the explanation. This was unexpected! I thought I did a decent homework on this :D I took the topology from here: https://ocw.mit.edu/courses/media-arts-and-sciences/mas-836-sensor-technologies-for-interactive-environments-spring-2011/readings/MITMAS_836S11_read02_bias.pdf...
  18. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi Hi. Thanks for the feedback! But as the old saying goes - https://en.wiktionary.org/wiki/give_a_man_a_fish_and_you_feed_him_for_a_day;_teach_a_man_to_fish_and_you_feed_him_for_a_lifetime In other words: why? For *this* situation, I think an R is not needed, but a C does help. My...
  19. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi, Last night I cleaned and rearranged a bit the schematic around the Opamp, and yes, it now looks like what you suggested (plus another cap on the output of the opamp). We're still working on the next version. Slowly but surely. We will probably also increase the gain. Feedback is...
  20. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi The driver has protection against both mosfets on at the same time - so all should be OK (I assume - were they?). Also that's why the output was 0 all the time. We made / are making some changes to the schematic too. maybe you want to wait for the new schematic before starting your PCB...
  21. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Yes, i did not change the diodes - yet :) Also, I changed some 1206 components to 0805 - but not all, only some that i felt confident about making smaller. The original design was made by somebody else (check it in github) in easyeda. So that's what I am using also, to make it easy to...
  22. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi That's my point - i don't think that would help that much reducing the board size at least at this stage. The limit horizontally now is the total width of mosfets + big power components. The limit vertically is again power stage + bluepill + custom electronics board. (or big Capacitor + the...
  23. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi. I did a first try of placing the parts on the board - managed to fit them on a 95x60 board (initial one was 105x60) But I removed the power connectors and replaced them with 2 pads. I might be able to squeeze them in again though if they are desired. Oh and I changed all 0603 to 0805 :D...
  24. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Hi. Me again with my silly questions. By the way, if at any time I become annoying and you've had enough of my un-helpfulness, please let me know (post or PM), and I will stop posting in this thread. I know I'm not particularly helpful but I am both curious and maybe hopefully just a little...
  25. B

    Motor Controller with Customizable Electronics, easy DIY and repair OpenSource

    Worked this time. Thanks! I got a corrupted download before ... twice. Either that or I did something stupid twice.... :oops: Br,
Back
Top