A Forum for Scooter Enthusiasts, Scooter Chargers, and Scooter Mechanics.

#3453
I have an ES1/ES3 from Lime and I've replaced the control board to one from AliExpress. Now the scooter turns on, but the dashboard doesn't show anything, the speed is limited to ~13km/h and it beeps constantly.

I've tried to connect it to the app to see if I can update the software but so far I've had no luck, any ideas?

Also, when I turn it off and hold the power button down the dashboard shows error 35.
Christian liked this
#3456
Guille MT wrote:
Tue Jan 08, 2019 8:56 am
I have an ES1/ES3 from Lime and I've replaced the control board to one from AliExpress. Now the scooter turns on, but the dashboard doesn't show anything, the speed is limited to ~13km/h and it beeps constantly.

I've tried to connect it to the app to see if I can update the software but so far I've had no luck, any ideas?

Also, when I turn it off and hold the power button down the dashboard shows error 35.
I think error 35 has something to do with incorrect serial number. I could be wrong tho. I read somewhere that Ninebot quit selling parts forcing owners to use authorized repair centers due to the fact that people were stealing them and then they would order authentic replacement parts. Since its not an authentic part you get error 35.
#3501
Got the control board for an ES2 in the mail yesterday, swapped it out on a bird and it is truly plug and play. No issues at all. Interesting part was when I powered the scooter on, it was "locked" and I had to download the app to unlock it for use. The only thing is I can not change the 'power' setting for some reason, but its locked on max so I'm not complaining.
Zik liked this
#3502
rshust wrote:
Fri Jan 11, 2019 3:52 pm
Got the control board for an ES2 in the mail yesterday, swapped it out on a bird and it is truly plug and play. No issues at all. Interesting part was when I powered the scooter on, it was "locked" and I had to download the app to unlock it for use. The only thing is I can not change the 'power' setting for some reason, but its locked on max so I'm not complaining.
Can you post the link to buy?
#3512
Here’s the one I bought after the one from China never showed for over a month I tried a US seller.

https://rover.ebay.com/rover/0/0/0?mpre ... 2878402668

Zik wrote:
Fri Jan 11, 2019 4:40 pm
rshust wrote:
Fri Jan 11, 2019 3:52 pm
Got the control board for an ES2 in the mail yesterday, swapped it out on a bird and it is truly plug and play. No issues at all. Interesting part was when I powered the scooter on, it was "locked" and I had to download the app to unlock it for use. The only thing is I can not change the 'power' setting for some reason, but its locked on max so I'm not complaining.
Can you post the link to buy?
Zik liked this
#3513
Mind Train wrote:
Wed Jan 02, 2019 5:41 pm
Hi guys
That's my point of view on Lime ninebot

Green GPS box has two cables, one with cap on it is USB and debug UART , second one connected to ninebot control-board is DC and UART, its powering mobile unit with GPS and communicating with control board.

Control-board of the lime-s is blue with DC UART socket to communicate with GPS.

You can not bypass or change cables to make it work because it is all digital, problem is in blue board what has custom firmware [original ninebot has green board without UART ] that's communicating only with GPS unit, this firmware has turned off Bluetooth on the dashboard to make impossible to upload own firmware, you can do it only by JTAG. If you disconnect GPS unit and power on the ninebot you get only error message [that's not to bright to see it over dash cover] with wrench key and temperature indicator [or what is it] and scooter is in locked state impossible to move it, its applying electronic brake if detects move and beeping .

Dash board is seems to customized only by design with green power button with mechanical block element that's blocking power button to be pressed but you can easily remove it, other parts looks same like original ninebot .
Now i waiting to new main board arrive from China and try it to put new life in it.

If someone of you has a Bird ninebot [or Wind, Tier too if are you in EU or Israel] you can post photos of control-board and dashboard to make our knowledge stronger

And for those who have theory to change SIM, do not do it, SIM is only medium if you change the SIM the MeiG board is still calling same server but some interesting info, Lime in EU using US T-Mobile SIM card To view images REGISTER or LOGIN for full access.
i want to know what roaming plans they have ...
Thanks a lot for the details concerning the types of connection used for the debug entry

I just discovered this forum but I'm working on Lime's 'ES4' modified scooters since a while (mid-December)

I'm gonna sort some of the statements and theories you made guys:

- Lime scooters use bluetooth: the green box unlocks the scooter through bluetooth: wrong

The green box is connected to the motherboard/control board of the scooter through a wire connection to avoid wireless connection and be more secured in regards to bluetooth hackings.

- Lime scooters do have custom control boards with custom firmware flashed on it and bluetooth disabled dashboards: true

After disassembly of the control board, the model number is ESC-L-2 Driver Rev_1.0 instead of ESC-2 Driver Rev_1.0.
Moreover, there is an additional cable to communicate with the green box which contains the GPS module and the cellular connection chip which confirms that the bluetooth is not used. The charging cable usually used on retail ES2 without external battery is not present to save money as all Limes have external batteries.

- Lime scooters do not have bluetooth chip in their dashboard (my own theory) that is why they can not be detected on the Ninebot app even after a control board replacement: wrong

After disassembling the dashboard, it seems that the bluetooth chip is indeed here but even after a control board replacement, the bluetooth chip remains disabled.
It seems that Lime disables the bluetooth option through software flashing by using a custom dashboard firmware.

- To use an ES4 Lime scooter, I just have to replace the control board and the dashboard: wrong

After hours of researches, it seems that Segway put a security check on their firmwares.
Each control board has a serial number and its serial number has to be identical with the one flashed in the deck.
The serial number of the deck can be found (written SN) on a little sticker which is under the scooter
The new control board which is by default sold with a default serial number, has to be flashed with the right serial number through bluetooth and the Ninebot official App. But anybody cannot do it.
I won't be detailing the process here but if you bought a new control board, just ask for the activation process to the seller.

I'm currently stuck at the flashing process part. I did only bought the control board in December and it took like 2 weeks to arrive.
I'm leaving my country next Saturday for a 5 months student exchange so I can't order the OEM dashboard...
The only solution left is to find someone in my city who can lend or rent me its scooter/dashboard for a few hours but in the country where I live, people are not that open to helping each other even if I promised to give them my ID and some cash as guarantee lol


So now I'm gonna expose you my vision of how Lime-S's work:

Limes are only connected to their central monitoring by GPS and cellular connection. Bluetooth is not used.
By default, when not used, they are in a locked state mode, just like a retail ES4 would be if you lock it through the Ninebot app but here it is just because the control board is programmed to work like this.

Let's imagine you find a Lime in the street and want to rent it, you download the app, add money on your wallet and flash the QR Code.

When your phone flashes the QR Code with the Lime-app, it sends to the Lime server a request to remove 1$ from your wallet and a second request to send an unlocking response to the scooter you wanna rent.
The Lime server checks your Lime account to see if your funds are sufficient and if yes, it removes 1$ from it and sends an order to the scooter that says "unlock yourself"
The green box receives the response through cellular connection and convert the response into an order understandable by the control board.
The unlocking sound is emitted by the green box and the scooter is able to work.

When you end the rent, the app sends a rent ending info to the server and the server through internet and cellular connection sends the lock order to the scooter which locks itself again and reactivates the anti-theft system of the green box that shouts if you try to use the scooter without paying for it.

What happens if you remove the green box off the scooter during a rental ?
One day I found an unlocked scooter in the street and as I always have my screwdrivers in my backpack, I disconnected the green box.

The scooter was able to work as long as I want but as you may doubt, after a moment. I stopped using it and plugged it to charge it without turning it off as it would erase the unlocking order it received.

30 minutes later, I came back to check the scooter: it turned off itself and when I tried to turn it on, the locked mode was once again activated...

I reassembled the scooter with the green box and left it in the street so people can use it.

So yeah, Lime's custom firmware is far more different than the stock one.
hack lime, Zik, Mind Train and 2 others liked this
#3515
did anyone try to short-circuit the gps board,
to do like an on-off button? just with cable ?

with the yellow arrow
black wire = ac/dc
red wire= ac/dc
white wire = ???
brown wire = ???
green wire = ???
yellow wire = ???
I wonder if we do bypass, maybe we could do without the gps board to have the signal on

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#3520
Zik wrote:
Sat Dec 15, 2018 8:08 pm
John_Doe_1337 wrote:
Thu Dec 13, 2018 7:03 am

EDIT:

If we look in detail this two we can see this...

To view images REGISTER or LOGIN for full access.


Green arrows indicate the three big cables pointed in number 1 in the picture up (going to power up motor)

Pink arrows indicate the 5 cables pointed in number 2 upper picture (electronics control of motor)

Blue arrow indicate just three cables going to the lights. Just three cables for the back light because this variant don't have led under the pedal.

Have sense?
Edit:
forget the light cable and the power cable

Pink arrows indicate the 5 cables pointed in number 2 upper picture (electronics control of motor)

the black + red wires are for the AC/DC i test it and i have 40V
so rest only 3 wires
green = ??
blue = ??
yellow = ??
#3522
hack lime wrote:
Sat Jan 12, 2019 9:53 am

Edit:
forget the light cable and the power cable

Pink arrows indicate the 5 cables pointed in number 2 upper picture (electronics control of motor)

the black + red wires are for the AC/DC i test it and i have 40V
so rest only 3 wires
green = ??
blue = ??
yellow = ??


These 5 cables running with the power cables are the HAL sensors
Capoiro1977 liked this
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