where is a good place to start converting an ES-200b step by step?

Thanks for the updated 2021 version. I use the ESP-01 wifi chip and have webserver so people can change settings from cell phone, no app. You can't get much cheaper and low power than the ESP-01. 

HI ALL!, do you know if will work for ES100? some people make the es100 work with the Arduino stuff, but this with esp32 it is veryy good!

can someone send me the code for the esp32

/*

   -- ESP32-Scooter controller V3.1 --

  
   This source code of graphical user interface
   has been generated automatically by RemoteXY editor.

   To compile this code using RemoteXY library 3.1.6 or later version
   download by link http://remotexy.com/en/library/

   To connect using RemoteXY mobile app by link http://remotexy.com/en/download/                  
     - for ANDROID 4.8.01 or later version;

     - for iOS 1.5.1 or later version;

   
   This source code is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.   
*/

//////////////////////////////////////////////

//        RemoteXY include library          //

//////////////////////////////////////////////

// RemoteXY select connection mode and include library
#define REMOTEXY_MODE__ESP32CORE_BLUETOOTH

#include <BluetoothSerial.h>

#include <RemoteXY.h>

// RemoteXY connection settings
#define REMOTEXY_BLUETOOTH_NAME "Scooter controller V3.1"

#define REMOTEXY_ACCESS_PASSWORD ""

// RemoteXY configurate 
#pragma pack(push, 1)

uint8_t RemoteXY_CONF[] =

  { 255,3,0,0,0,181,0,13,13,1,

  2,1,3,38,22,11,2,26,31,31,

  83,119,105,116,99,104,45,79,78,0,

  83,119,105,116,99,104,45,79,70,70,

  0,2,1,3,52,22,11,2,26,31,

  31,72,105,103,104,45,83,112,101,101,

  100,0,76,111,119,45,83,112,101,101,

  100,0,2,1,3,66,22,11,2,26,

  31,31,76,105,103,104,116,45,79,78,

  0,76,105,103,104,116,45,79,70,70,

  0,130,1,1,13,61,12,17,129,0,

  5,17,52,5,24,83,99,111,111,116,

  101,114,32,99,111,110,116,114,111,108,

  108,101,114,32,86,51,46,49,0,129,

  0,29,41,22,5,24,80,111,119,101,

  114,32,79,110,0,129,0,29,55,32,

  5,24,83,112,101,101,100,32,99,104,

  97,110,103,101,0,129,0,30,69,11,

  5,24,76,105,103,104,116,0 };

 
// this structure defines all the variables and events of your control interface
struct {

    // input variables

  uint8_t switch_power; // =1 if switch ON and =0 if OFF
  uint8_t switch_fastspeed; // =1 if switch ON and =0 if OFF
  uint8_t switch_light; // =1 if switch ON and =0 if OFF

    // other variable

  uint8_t connect_flag;  // =1 if wire connected, else =0

} RemoteXY;

#pragma pack(pop)

////////////////////////////////////////////

//         Scooter Command include        //

///////////////////////////////////////////

byte slowvoi[] = {0xA6, 0x12, 0x02, 0x65, 0x14, 0x86}; // REPLACE BY YOURS

byte slow1[] = {0xA6, 0x12, 0x02, 0XF1, 0x14, 0x7E}; // REPLACE BY YOURS

byte slow2[] = {0xA6, 0x12, 0x02, 0XF5, 0x14, 0x45}; // REPLACE BY YOURS

byte fastvoi[] = {0xA6, 0x12, 0x02, 0x03, 0xFF, 0xBF}; // REPLACE BY YOURS

byte fast1[] = {0xA6, 0x12, 0x02, 0XF1, 0xE4, 0x0A}; // REPLACE BY YOURS

byte fast2[] = {0xA6, 0x00, 0x00, 0xF5, 0xFF, 0xFC}; // REPLACE BY YOURS

byte off[] = {0xA6, 0x12, 0x02, 0x00, 0xFF, 0xEA}; //Off

void setup()

{

  RemoteXY_Init ();

  Serial.begin(9600);

}

void loop()

{

  RemoteXY_Handler ();

  if((RemoteXY.switch_power == 1) && (RemoteXY.switch_fastspeed == 0) && (RemoteXY.switch_light == 0)) //light off + slow

  {

      Serial.write(slow1, sizeof(slow1));   
  }

  else if((RemoteXY.switch_power == 1) && (RemoteXY.switch_fastspeed) == 0 && (RemoteXY.switch_light == 1)) //light on + slow

  {

      Serial.write(slow2, sizeof(slow2));   
  }

  else if((RemoteXY.switch_power == 1) && (RemoteXY.switch_fastspeed) == 1 && (RemoteXY.switch_light == 0)) //light off + fast

  {

      Serial.write(fast1, sizeof(fast1));

  }

  else if((RemoteXY.switch_power == 1) && (RemoteXY.switch_fastspeed) == 1 && (RemoteXY.switch_light == 1)) //light on + fast

  {

      Serial.write(fast2, sizeof(fast2));

  }

      else

  {

      Serial.write(off, sizeof(off));    
  }

  delay(200);

}

is there a ino code for the esp32, also what wires connect to what on the esp32, I found out the power wires obviously but I’m not sure about the green yellow and blue wires

Any tips for removing all that potting?

Or maybe I'm not following. Is it necessary to remove the potting first?

hi there,
I success unlock the scooter, lights is on, display is on, but the throttle nothing do....

display don't say any error code. When I disconnect throttle, say error. The cable is maybe ok. any ideas? Please help Mans..

Thanks for reply.

Hi there, am trying to open this link to the Nano Version. Is it still available? https://cdn.hackaday.io/files/1686677216248928/Scooter_Controller_RemoteXY_ESP32.ino

Hey man, did u manage to access the code or get it somehow?

Yes, got it off Github in the end, have you got it working? 

So in my case the Green wire on GPS side of Juliet plug was RX to scooter (connect to TX of Nano) and Yellow was TX from scooter which is not needed.  For those following along, essentially what is going on is nano is sending a 6 group hex code down the RX line every half second to keep the scooter awake and control parameters.  Depending on what that hex code is, it controls top speed, acceleration, headlight on/off, waking up controller, mph/kph display etc.   I use A6 12 02 E5 FF 60.   Not sure what the first 3 blocks do, so just leave them alone.  4th block does a bunch of stuff for headlight on/off, acceleration, etc, The FF is for max rolling speed.  Initially I was using E4 there but regenerative braking starts at 24.3mph.  at FF it never kicks in and you can freewheel pretty fast down hills.  the last block is crcc or error checking on the other five, so change any of those and you will have to recalculate that.  if you use E5 for max speed, use DD as last block.

Hey man, can you send me the code? Maybe post it on Pastebin or something because the link to the code isnt available anymore. Please man🤙🏼

//nano version
// changedv Serial1.write to Serial.write
// blue  to 3.3v on board
//green from TX on board //power from buck converter from 42 v to 6-10v v+ and Gnd
// put switch between buck converter and board so no hot stab power draws
//that shut down bms
int firstBlock = 0xA6;
int secondBlock= 0x00; //initial code had this as 12
int thirdBlock = 0x00; //inital code had this as 02
int fourthBlock = 0x80; // 100000 or bit 1 on, mph on, esc off
////PATTERN: turbo?/?/FAST ACC/KPH/?/LIGHT/BLINK/ESC ON

int fifthBlock = 0xFF; //max speed no KERS
  //MAX SPEED HEX E4 BRAKING AT 24MPH but you would need new crc
  //Serial.write(0xE4);
  //CRC-8  GO TO WWW.CRCCALC.COM AND USE CRC-8/MAXIM
int crcBlock = 0xB5;
void setup() {

    //Option button to set headlight to flash or solid
  pinMode(5, INPUT_PULLUP);
    //ignition button
  pinMode(7, INPUT_PULLUP);//ignition position
  int lightMode = digitalRead(7);
  int ignition = digitalRead(5);
    // initialize Serial:
  Serial.begin(9600);
  Serial.print(firstBlock, HEX);
  Serial.print(secondBlock, HEX);
 Serial.print(thirdBlock, HEX);
 Serial.print(fourthBlock, HEX);
 Serial.print(fifthBlock, HEX);
 Serial.println(crcBlock, HEX);
 delay (500);
  //Serial.write(0xE5); //light on full power, esc on 11100101
  //Serial.write(0xFF); //max speed no KERS
  //Serial.write(  the crc code)

  //Serial.write(0x80); //100000 or bit 1 on, mph on, esc off
 // Serial.write(0xff); //max speed no KERS
  //Serial.write(0xB5); //crc-8 maxim
    //Serial.write(0x10); //?(turbo?),?(off),fast acc off,kph, ?, light off, blink off,, esc off
  //Serial.write(0x14); //14KPH
  //Serial.write(0xCF); //CRC
  //delay(500);
  //Serial.write(0xA6);   //Serial.write(0x12);
  //Serial.write(0x02);
    //Serial.write(0x11); //turbo on?, ?off, fast acc off, kph, light off blink off, esc on
  //Serial.write(0x14); // 14KPH
  //Serial.write(0x0B); //CRC
}

void loop() {
  int lightMode = digitalRead(7);
  int ignition = digitalRead(5);
    // (ignition off)
  if (ignition == HIGH) {

    fourthBlock = 0x80; // turn off scooter ESC
    crcBlock = 0xB5; //CRC
  }
    else{
    
    //if headlight switch off:
    if (lightMode == HIGH) {
      //4TH BLOCK
      //PATTERN: turbo?/?/FAST ACC/KPH/?/LIGHT/BLINK/ESC ON
      //SO: E5 = 11100101 OR ??FAST MPH LIGHT No BLINK ESC ON
      fourthBlock = 0xE5;
      crcBlock = 0x10;
      }
      
    //else headlight switch on blink headlight
    else {
      fourthBlock = 0xE7;
      crcBlock = 0x81;
      }
  }
//Serial.println (firstBlock, HEX);
//delay (100);
Serial.write(firstBlock);

//Serial.println (secondBlock, HEX);
//delay (100);
Serial.write(secondBlock);// initial code had this as 12
 
//Serial.println(thirdBlock, HEX);

//delay (100);
Serial.write(thirdBlock); //inital code had this as 02
 
//Serial.println(fourthBlock, HEX);
//delay (100);
Serial.write(fourthBlock);
 
 
 //Serial.println (fifthBlock, HEX);
 //delay (100);
 Serial.write(fifthBlock);

//delay(100);
 
 //Serial.println (crcBlock, HEX);
 //delay (100);

 Serial.write(crcBlock);
 

delay (500);
}    

having trouble with this code, as it repeats 3x.  I don't fully understand what you mean by blocks?

a "block" in this case (for me anyway) means two digits in hexidecimal that do a specific thing to the scooter.  so the fifth "block (group of 2 heciecimal) of FF will control max speed,in this case max speed of scooter. "4th block" controls headlight on/off for example. 

Right, i understand that, but if i change the first set of code, do i do the exact same thing to the seccond and third set?  Im so confused.  I tried changing the first set of code and nothing worked, i changed them all and still nothing worked.  Could you copy and paste me the best full code for max speed?

Sorry for delayed response, apparntly I don't get notified when things get posted here.  Anyway, a few notes,  change "if (ignition == HIGH)" to "if (ignition == LOW)" as that will default to NOT attempting to turn off  scooter unless that pin is grounded.  That way, if you choose not to put a switch in or your switch fails, your scooter will default "on". 
Also, my code has a lot of notes to myself and is all commented out so that can confuse people.
initially, before the loop, the code tells the scooter to turn on and sets some parameters.  I suppose you could reconfigure code not to do that, but that's how the code initially evolved when I did it, and it's not hurting anything.

then in the loop, it checks whether the ignition switch (pin5) is grounded.  If it is (if you change code above) then it assigns a new value for 4th block which is command to shut down scooter.  It also has to calculate new crc, because that is error correction, and any time you change any value in any of the blocks, you have to recalculate your crc value. 
if the scooter is not being commanded to power down, it then determines whether pin 7 (headlight) is grounded, and depending, either commands it to blink or be solid on, and then assigns a crc value for either the state of  "scooter on, solid light" or "scooter on, blinking light."

4th block determines a bunch of stuff, including some stuff I don't know.  but includes light control, turning the scooter on, fast acceleration.   5th block sets top speed and KERS.   values I use seem to give me fast settings.  Change any of the blocks, you have to recalculate crc value. 
and lastly, I blew up a ESC due to bad buck converter.  plus even if buck converter doesn't break your scooter, it can temporarily break scooter by putting battery BMS in shock, and you have to physically unplug battery to reset.  this is a drag.  This is why I have changed my design, and just power the nano off a separate mobile usb power source isolated from the scooter power.  That way I can even use the usb power source as a key of sorts.

Newbie here, having an issue with the code. When I run the code on the arduino app, it says no serial 1 not declared. . Thoughts? Thank you

удалить Serial (1) везде

Hey man, can you send me the code? Maybe post it on Pastebin or something because the link to the code isnt available anymore. Please man🤙🏼

Hello,

Can you make someday a unlocker or Open Source Firmware for the Okai ES400 and

ES400B too?

Hey!. So i followed your steps and scooter still doesnt turn on. Any help would be appreciated

How did you get the dashboard out of the head of the post?  I have a similar es200b and nothing happens when I plug in the charger.  No display on the dashboard, maybe its dead or something.  Anyone know where I can get a replacement dashboard?

Hi, is it possible to put this sistem to work without the GPS module? thank´s ;)

Hello everyone, its great that I found this site albeit would have been much better to have done so last year😝. Im really "green" when it comes to online forums and community help spots such as this as well with scooter hacking in general, but fantastic to see that there are such experienced, resourceful, and generous folks out here helping those like myself. 

I'd like to make a tiny gesture of gratitude to the developers/testers that have made such great progress.

If there is any part from an Okai/Electisan ES200B, from dash to ESC or strucural hard components, it would be my pleasure to donate whatever is needed from my now dismantled unit to further your work. One thing which will be difficult for me to provide is the original wires/assemblies because I repurposed a majority of them for something else I was working on. I will check back periodically to see if there are any requests. Thanks, and please keep up the awesome work!!