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  1. R

    EB312 connections

    I started to compile infos about the EB312 (AS-2) controller, which I intend to use in my new e-bike built. There are many info-rich threads here on ES, however, I still need to ask all those who know more about this controller to help me filling in the gaps. I would like to know all possible...
  2. R

    generic usb<>rs232 for Lyen controller

    I have damaged the usb adaptor for programming Lyen controller. As I need a working adapter quickly I thought to use a generic USB<>RS232 cable which I had lying around. I checked the wiring of Lyen's adapter: I simply de-soldered the Lyen cable (with the integrated push-button), soldered it...
  3. R

    how to test BMS ?

    I have various BMSs and would like to test them for comparison, i.e. I'd like to build a simple testbench for BMSs where I could test HVC, LVC, OC etc. Has anybody come across such a design or has one in the drawers? thx, rolf
  4. R

    trimming EMC-400 charger

    does anybody know how to adjust the voltage and current output of the EMC-400 charger (ecitypower). In the attached photo you see the inside of the EMC-400 and three potentiometers marked P1, P2 and P3 - what adjustments can be made with these potentiometers? thx, rolf
  5. R

    BMS reset after LVC

    When my BMS (in a default / standard GoldenMotor setup) used to trip due to a LVC event, I needed to 'reset' the fault by turning the key switch off and on, thus interrupting the battery power to every load. Recently I changed the wiring of my setup completely and instead of the key switch I...
  6. R

    new Swiss regulations for e-bikes

    currently the Swiss regulators discuss the new rules for motor assisted bicycles. The current proposal is to assign e-bicycles to the existing vehicle classes according to their power and motor assisted max. speed and oblige the driver to have the appropriate driving licence for that vehicle...
  7. R

    multi converter systems

    high voltage batteries are a pain, too many connections; BEMF of DC motors (BLDC or others) limits the top speed in no-gear setups; sometimes one doesn't want a DC motor - one wants an async or sync or whatever design... then there are issues with recuperation, charging from various sources e.g...
  8. R

    GM 48V BMS

    My 48V BMS is damaged and I received a replacement from GM. The damaged one has a smaller printed circuit board (PCB) sitting on top of the main board. It mainly contains resistors which are probably used as loads to dump some 'bleeding' power? The new board is identical to the damaged one...
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