pstarSR
Active member
my advice is to take it to either Nissan or an EV repair center. sounds like your onboard charger has a problem. there is little anyone can do for you over the internet, if it is NOT charging. it needs diagnosis.
former race car builder, gasoline junky...... loves his leaf though
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pstarSR
Active member
OK to open this thread a bit more and a bit more about me. I said I was playing with the ELM327, for some fun projects. and I have done some small things, other might be interested in. Its all in the name of community.
I stitched a NEW steering wheel cover ON! - my mother taught me how to sew, and there was a sewing class when I was in school. so this was awesome to me
I bought a kit on amazon ( amazing kit, two needles, two bobbins of thread - more than enough, tape tools etc )
it takes some time but honestly its a bit soothing once you get a rhythm. AND MAN IS THE RESULTS better than that slick plastic feel it had. it was like polished plastic. NOW its nice! feels really good.
also added a sticker
I stitched a NEW steering wheel cover ON! - my mother taught me how to sew, and there was a sewing class when I was in school. so this was awesome to me
I bought a kit on amazon ( amazing kit, two needles, two bobbins of thread - more than enough, tape tools etc )
it takes some time but honestly its a bit soothing once you get a rhythm. AND MAN IS THE RESULTS better than that slick plastic feel it had. it was like polished plastic. NOW its nice! feels really good.
also added a sticker
Attachments
Last edited:
pstarSR
Active member
OK, no onto the dumb stuff/ nerdy tech stuff that some people might get grumpy about. oh well.
I came ( from the title ) from building gasoline cars, loved building engines, and making loud noises. when I was younger.........things change.
so, I am of the era where technology is my playground. I built cars with a group of mechanics spanning 50 yrs of automobile history and technology. I was the one that tuned the EFI systems, I was the one that built the wire harness's. The one that turbo charged EVERYTHING. They were the ones with the base knowledge, of carbs, ignition, and just "how to make things work, mechanically" which was an amazing time and I love them dearly.
ok to the point. Noise, even though I realllllllly enjoy the silence the leaf presents while driving...... there is part of me that wants to change it and make it unique. So, the pedestrian warning sounds, or the ding, dong. or the weird aura sounds. ALLL EVS have sounds to let people know they are there and on. But they are horrible most of the time. Highend EV's have really cool sounds most of the time, and sound way more fun.
( let me preface this with I do NOT condone removing the system, or stopping the factory system. My idea is to still have it, but change it. )
borla makes this system for the mustang E, but good gAWWWWD the price. and its oddly not avaiable it seems. ( reading up on the laws, there is some confusion on if you CAN modify these sound systems )
borla ev exhaust
anyways, I set out to create a unit that uses minimal input so its less car specific, but could produce a different warning sound for low speed, accel, and decel.
it evolved kinda rapidly from a MPU 6degree of freedom g sensor idea to reading the OBD port for data.
so currently this is way in development, its progressing nicely but im only able to work on it a few hours a week
build in the videos was arduino nano - sdcard breakout - 6dof sensor - small opamp - small speaker
you can get the concept from the videos, but the project has morphed to the still image version as Im trying to get data and needed a screen to read what the adapter was seeing.
So the idea is this, from start up you get the Jetsons door bell chime. thats at power up. when idling or slow speed ( dependant on MPH reading ) you get the accel sound, which pitch changes as a multiplier if your speed is increasing rapidly. this works in reverse for decel, from say 20mph down to 0, the sounds would be reversed pitch and slowed. the idea was, even though the dings and the pings are proven by nissan to alert people. The gear head in me says
"yeah, but we can make it sound cool "
the end result of this isnt a product to sell, its for me. but I am more than willing to share the build to anyone else.
eventually it will land in a project box, the small speaker/amo mounted in the engine compartment ( underhood ). and connected to an OBD splitter under dash to a freematic OBD2 - arduino UART adapter.
I came ( from the title ) from building gasoline cars, loved building engines, and making loud noises. when I was younger.........things change.
so, I am of the era where technology is my playground. I built cars with a group of mechanics spanning 50 yrs of automobile history and technology. I was the one that tuned the EFI systems, I was the one that built the wire harness's. The one that turbo charged EVERYTHING. They were the ones with the base knowledge, of carbs, ignition, and just "how to make things work, mechanically" which was an amazing time and I love them dearly.
ok to the point. Noise, even though I realllllllly enjoy the silence the leaf presents while driving...... there is part of me that wants to change it and make it unique. So, the pedestrian warning sounds, or the ding, dong. or the weird aura sounds. ALLL EVS have sounds to let people know they are there and on. But they are horrible most of the time. Highend EV's have really cool sounds most of the time, and sound way more fun.
( let me preface this with I do NOT condone removing the system, or stopping the factory system. My idea is to still have it, but change it. )
borla makes this system for the mustang E, but good gAWWWWD the price. and its oddly not avaiable it seems. ( reading up on the laws, there is some confusion on if you CAN modify these sound systems )
borla ev exhaust
anyways, I set out to create a unit that uses minimal input so its less car specific, but could produce a different warning sound for low speed, accel, and decel.
it evolved kinda rapidly from a MPU 6degree of freedom g sensor idea to reading the OBD port for data.
so currently this is way in development, its progressing nicely but im only able to work on it a few hours a week
build in the videos was arduino nano - sdcard breakout - 6dof sensor - small opamp - small speaker
you can get the concept from the videos, but the project has morphed to the still image version as Im trying to get data and needed a screen to read what the adapter was seeing.
So the idea is this, from start up you get the Jetsons door bell chime. thats at power up. when idling or slow speed ( dependant on MPH reading ) you get the accel sound, which pitch changes as a multiplier if your speed is increasing rapidly. this works in reverse for decel, from say 20mph down to 0, the sounds would be reversed pitch and slowed. the idea was, even though the dings and the pings are proven by nissan to alert people. The gear head in me says
"yeah, but we can make it sound cool "
the end result of this isnt a product to sell, its for me. but I am more than willing to share the build to anyone else.
eventually it will land in a project box, the small speaker/amo mounted in the engine compartment ( underhood ). and connected to an OBD splitter under dash to a freematic OBD2 - arduino UART adapter.
pstarSR
Active member
working on replacing the trees, I found these 1.28 round LCD are pretty perfect for it.
View attachment 4777
View attachment 4777
Attachments
Chad E. Mo
Zero Credibility
The sound replacement looks great. I'd like to build one.
pstarSR
Active member
I had some family stuff happen so I had to put the CanSniffing/ Sound maker to the side. but I picked it up again cause I dont want to give up.
There is so much random info online, im going to start trying to post the stuff that works for me.
Mysetup ( I will post the Code tomorrow )
Freematic OBDII uart 2.1 adapter - sniffer - outputs to tx/rx lines on arduino ( also has 6degree of freedom accelerometer )
arduino nano
SH1106G LCD 128x64 ( for debugging, as later I dont need a screen )
so here goes. I am no wizard, but no stranger to discrete electronics. bear with me
( Chatgpt, Claude ( this one is always better ) stackoverflow have been all HUGE assets to trying to decipher WTF is going on )
The biggest hurdle was the ELM327 chip inside the Freematic adapter. this is where the communication happens. and it of course is a KNOCK off chip. so the AT command list online, about 80% work. and most of the ones you want DONT. so just getting the thing to listen was the biggest pain.
if youre struggling, and your adapter is returning "?" to AT commands, you need to try commands that return "ok". the "?" is nothing, its NOT working. just bash commands at it till it wakes up and says "ok". people say the documentation helps, are kinda full of their own fluff...... it works if your brain works like the person that wrote the documentation.....
right now the way I have my setup talking to the leaf is like so, (always to the header/ masking AFTER setting the protocol)
ATZ - reset - and return version number ( ELM327 v1.5 )
ATSP6 - leaf OBD2 protocol
ATS0 - spaces OFF
ATCF 5c5 - header I want to request - Odometer
ATCM 7FF - Mask filter for request
ATM1 - memory on
( always \r everything thats how the ELM327 likes it )
Right now I have pulled the turn signal results and the ODO, both are lining up with the documentation online.
The next step for the 2 projects ( Sound maker and the SOC screen )
Grab the motor RPM signal - (0x176.0.3?)
Grab Throttle position - (0x180.5?)
Grab speed from a wheel - (0x284.0.3.5?)
With those I should be able to set my accel/ decel portion of the sound code. But I would like to correlate the motor RPM, or throttle position for pitch change. The wheel speed will dictate when the sound will play, I want to design it to play at below 15mph only. and do both decel and accel.
Second Project ( SOC display )
this one should be as simple as grabbing the Tree data, or the SOC data directly and parsing it to the screen.
having a can sniffer that can sniff whatever you want is pretty nice. I will update as I make progress......
(attached is a txt file with the .ino arduino sketch im working on. so its still WIP.... but it returns the ODO currently. so others can play with it )
There is so much random info online, im going to start trying to post the stuff that works for me.
Mysetup ( I will post the Code tomorrow )
Freematic OBDII uart 2.1 adapter - sniffer - outputs to tx/rx lines on arduino ( also has 6degree of freedom accelerometer )
arduino nano
SH1106G LCD 128x64 ( for debugging, as later I dont need a screen )
so here goes. I am no wizard, but no stranger to discrete electronics. bear with me
( Chatgpt, Claude ( this one is always better ) stackoverflow have been all HUGE assets to trying to decipher WTF is going on )
The biggest hurdle was the ELM327 chip inside the Freematic adapter. this is where the communication happens. and it of course is a KNOCK off chip. so the AT command list online, about 80% work. and most of the ones you want DONT. so just getting the thing to listen was the biggest pain.
if youre struggling, and your adapter is returning "?" to AT commands, you need to try commands that return "ok". the "?" is nothing, its NOT working. just bash commands at it till it wakes up and says "ok". people say the documentation helps, are kinda full of their own fluff...... it works if your brain works like the person that wrote the documentation.....
right now the way I have my setup talking to the leaf is like so, (always to the header/ masking AFTER setting the protocol)
ATZ - reset - and return version number ( ELM327 v1.5 )
ATSP6 - leaf OBD2 protocol
ATS0 - spaces OFF
ATCF 5c5 - header I want to request - Odometer
ATCM 7FF - Mask filter for request
ATM1 - memory on
( always \r everything thats how the ELM327 likes it )
Right now I have pulled the turn signal results and the ODO, both are lining up with the documentation online.
The next step for the 2 projects ( Sound maker and the SOC screen )
Grab the motor RPM signal - (0x176.0.3?)
Grab Throttle position - (0x180.5?)
Grab speed from a wheel - (0x284.0.3.5?)
With those I should be able to set my accel/ decel portion of the sound code. But I would like to correlate the motor RPM, or throttle position for pitch change. The wheel speed will dictate when the sound will play, I want to design it to play at below 15mph only. and do both decel and accel.
Second Project ( SOC display )
this one should be as simple as grabbing the Tree data, or the SOC data directly and parsing it to the screen.
having a can sniffer that can sniff whatever you want is pretty nice. I will update as I make progress......
(attached is a txt file with the .ino arduino sketch im working on. so its still WIP.... but it returns the ODO currently. so others can play with it )
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Bombastinator2
Well-known member
- Joined
- Jan 3, 2024
- Messages
- 724
Those sounds are legally required. There are apparently fairly toothy laws around this one. I wanted one that did the Monty pythons coconuts thing (‘cause I’m weird like that. Not going to defend it) but apparently sounds need to be “approved” somehow.
*still wants a galloping car but can’t have one*
Reading one of the posts though what if you just left the canned EV noise alone, but drowned it out with something else. It wouldn’t even have to be attached to anything but the battery. So really LOUD clopping. This 6 degrees of acceleration thing appeals to me too. I can think of only 5. Walk, trot, canter, gallop, and gallop+”ride of the valkeries” for when you really put your foot in. You could even put it on a gas car. Maybe the first sound is a neigh for “on but just standing there”. It’s still better than the “oonze oonze” one occasionally hears when in line at a McDonald’s drive through.
I so want this..
*still wants a galloping car but can’t have one*
Reading one of the posts though what if you just left the canned EV noise alone, but drowned it out with something else. It wouldn’t even have to be attached to anything but the battery. So really LOUD clopping. This 6 degrees of acceleration thing appeals to me too. I can think of only 5. Walk, trot, canter, gallop, and gallop+”ride of the valkeries” for when you really put your foot in. You could even put it on a gas car. Maybe the first sound is a neigh for “on but just standing there”. It’s still better than the “oonze oonze” one occasionally hears when in line at a McDonald’s drive through.
I so want this..
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pstarSR
Active member
we arent removing it, its still there. just has ANOTHER noise.
Chad E. Mo
Zero Credibility
I'm pretty sure an owner can do whatever they like with the sounds. I've only seen the requirement for manufacturers. Plenty of cars on the road have no artificial noise generators, so enforcement of any such regulation to owners would be unlikely.
I haven't seen the speakers on a Porsche Taycan, but they emit a low frequency component that makes the Leaf sound like a toy by comparison.
I haven't seen the speakers on a Porsche Taycan, but they emit a low frequency component that makes the Leaf sound like a toy by comparison.
Bombastinator2
Well-known member
- Joined
- Jan 3, 2024
- Messages
- 724
Ah. So that then. Not sure how it all works but I’d love to see your build log. A car that sounds like a horse. It will be so awesome!
