Recent content by e-doc

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    O2Micro OZ890 Based BMS Units

    Is it open source? Can I get the software source code and hardware circuit diagram? I need to re-compile because I use windows (XP and 7)...
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    connections for? EcityP Smart S5-13 BMS

    Where can I place a safety fuse in the system without killing the OZ890 chip in the case of a blown fuse? As I understood the application note, the first connections to be connected must be battery - and the battery +. Then B0, B1, B2... B13. Another sequence will kill the chip (I think...). A...
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    Application Notes for OZ890 Smart BMS?

    Does anybody has one of these application notes? O2Micro does not reply my requests...
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    O2Micro OZ890 Based BMS Units

    Is this your software? How far did you come? Is it working complete? Can it be used for I²C transfer by parallel or RS-232 port? What about the data protection you mentioned? Does that mean this is used to "dongle" the expensive O2micro-I²C-USB-interface?
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    OZ890-13cell-smart-BMS data transfer by LPT parallel port?

    Nobody?
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    OZ890-13cell-smart-BMS data transfer by LPT parallel port?

    Hello, is anybody there, who ever had data transferred to OZ890 BMS by parallel port (LPT)? I found some hints to use O2Micro's software utility "Cowboy v.0.75" and "philips LPT to I²C converter" but it does not work. There are some pulses at SCL and SDA lines, but the values at the PC...
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    XPD: open-source keywin e-bike lab replacement

    Thank you, Anpaza.
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    XPD: open-source keywin e-bike lab replacement

    Does XPD works with EB312 controllers? How to install on a (very) old WinXP notebook? I want to use the RS232 serial port without using a USB-to-RS232-serial-converter. Is this possible? I know in this case I have to use a RS232-level-to-TTL-level-converter (MAX232).
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    How to generate hall signals from a sensorless hubmotor?

    I'm not sure if such board works, when I read this : http://endless-sphere.com/forums/viewtopic.php?f=2&t=11391 (my english is not the best, sorry... :oops:)
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    How to generate hall signals from a sensorless hubmotor?

    I try to modify a sensorless hubmotor (Keyde) with defective internal controller to be operated by an external controller. My only controller is an Infinion/Lyen type for use with sensored motors. Someone from Austria tried to add internal hallsensors to his Keyde motor without success...
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    How to generate hall signals from a sensorless hubmotor?

    Hello, I am looking for a schematic of a converter board to generate hallsensor signals from back EMF of a sensorless hubmotor (Keyde). I think a few comparators, resitors etc. could do the job. Who can help me with more info?
  12. E

    FCM 8201 - Over voltage protection of motor driver

    Lagoethe, you have mail (PM)... :wink:
  13. E

    FCM 8201 - Over voltage protection of motor driver

    Has anybody of you a FCM 8201 controller successfully running?
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