An Electric Scooter Community on a Mission to Stamp out Transportation Mediocrity.

Changing mobility one trip at a time.
#19135
@Biingobom
Rick Sanchez wrote:
Fri Jan 03, 2020 5:40 am
@rebellion2
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or take several diodes in throughput direction in series, works also. (500-700mV per regular silicon diode)
There will be no big current and therefore no big in rush at all. The biggest option would be when using a ESP32 for example but even that chips doesn't draw more than 200mA @ 3,3V. The LM2596 has a converting efficiency around 94% plus it takes approximately 5-8mA to power itself so if you lower the input voltage about 10V we're talking about 17-32 volt to the regulator what is within its operating range. 200mA @ 3,3V= 660mW, 660mW divided by 0.94~=702.1mW, for the highest current we take 17V as lowest case so 702.1mW divided by 17V = 4,13mA, 4,13ma plus 8mA selfpower is 12,13mA, 10V diodes loss times 12,13mA = 121,3mW loss in heat on the diode when powering a ESP32 in full load giving approximately 88% safety factor when using a 10V 1W type.
Cheers
#19138
Try the Final Branch of my firmware that’s the most up to date.
Iceman88 wrote:
Thu Jan 16, 2020 4:06 pm
Hi to all, today I have flashing a ESP32 with the last repository on github
https://github.com/chappy1978/ES200-Sco ... tree/Final
and,unfortunately, on my es200G only one flash light on rear light when turn on the scooter from the app... nothing else!
Someone to help?
I have used VSC for flashing and its all ok
Wiring on ESP32
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#19141
MrSpriggs1 wrote:
Thu Jan 16, 2020 9:00 pm
Try the Final Branch of my firmware that’s the most up to date.
Iceman88 wrote:
Thu Jan 16, 2020 4:06 pm
Hi to all, today I have flashing a ESP32 with the last repository on github
https://github.com/chappy1978/ES200-Sco ... tree/Final
and,unfortunately, on my es200G only one flash light on rear light when turn on the scooter from the app... nothing else!
Someone to help?
I have used VSC for flashing and its all ok
Wiring on ESP32
Image
Image
This with your last firmware and the same result...
#19142
Iceman88 wrote:
Fri Jan 17, 2020 3:30 am
MrSpriggs1 wrote:
Thu Jan 16, 2020 9:00 pm
Try the Final Branch of my firmware that’s the most up to date.
Iceman88 wrote:
Thu Jan 16, 2020 4:06 pm
Hi to all, today I have flashing a ESP32 with the last repository on github
https://github.com/chappy1978/ES200-Sco ... tree/Final
and,unfortunately, on my es200G only one flash light on rear light when turn on the scooter from the app... nothing else!
Someone to help?
I have used VSC for flashing and its all ok
Wiring on ESP32
Image
Image
This with your last firmware and the same result...
Image
#19145
Amazing !
I've tested myself to change the 1st, 2nd and 5th bit of the 4th Byte.
I think I found what is the use of the 1st one.
Looks like it is a "Turbo" mode. If you put it a 0 you will have standard and linear acceleration. But when this value is 1, you get like a second acceleration after the first one. Give you a little more punch an allow you to go faster.
For the 2nd and 5th, I did not notice any difference ...
DFTC wrote:
Fri Jan 17, 2020 4:30 am
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all I have to do is test it!
#19146
Hi, maybe you need to conecte the « gnd » also.
Iceman88 wrote:
Thu Jan 16, 2020 4:06 pm
Hi to all, today I have flashing a ESP32 with the last repository on github
https://github.com/chappy1978/ES200-Sco ... tree/Final
and,unfortunately, on my es200G only one flash light on rear light when turn on the scooter from the app... nothing else!
Someone to help?
I have used VSC for flashing and its all ok
Wiring on ESP32
Image
Image
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