rusefi.com

Dual controller info...still working on the board layout. Connector has been changed to a 20 pin device to support the 2nd sensor. https://www.molex.com/molex/products/part-detail/pcb_headers/0348302001;jsessionid=mGUZriLKudcw3BvXRfAmKTp-ldN-4mSAH7vEA1_B.molex1 Digi-Key ordering info: 67642972.xlsx ...

I am developing a carrier board to support dual controller modules. They will share the +5v power supply and the CAN output. Electrically, it will appear on the bus as two nodes. I added termination bits to the board as I imagine this will be one of few, if not the only, CAN device being used with r...

Very excited to see the progress on the flex fuel sensor. Any recommendations/requirements as to which pin to use? I know it has to be configured as open drain with a pull-up. On proteus any digital input will work. On MRE, you should be able to use the analog temp inputs or the cam input. Analog v...

Very excited to see the progress on the flex fuel sensor. Any recommendations/requirements as to which pin to use? I know it has to be configured as open drain with a pull-up.

https://www.wireandcableyourway.com/automotive-lead-wire

I ordered the SXL for my harness. Available in smaller spools and various colors.

Matt, do you have any of these plug-in modules ready to go? I'd like 2 for my application, and development of the twin carrier board

Gepro wrote: ↑

Tue Jan 05, 2021 8:53 pm

I believe that OR is Optional Resistor

0R would be a jumper. Zero ohm resistor

The MCU is currently limited on the sample rate of the ADC. It can't really sample more at the same time without reducing accuracy or going to a faster MCU with multiple ADCs. The plug-in module is only ~$12, so it would be super easy to just plop two of them down on a single carrier board. Shared ...

Is there a possibility of making this a dual channel device? Duplicate the input stage, use some of the unused pins of the STM and feed the output of both channels to the mcu? With the CAN protocol, each sensor can have a different output ID. Either interface for that matter. I like the idea of it b...

How do I sign up for the goodness? I'd like to run 2 of these on my V6

My guess is the comparator is used in Schmitt trigger fashion to amplify the induced voltages from the coils (air-core transformer) laid into the board. That signal is then fed to the CAN transceiver to drive the CAN output. Differential signal in, easy to amplify. As the site said, RS-485 is compat...

The connector does have pins 1, 20, 41 and 60 identified. The numbers are stamped in the plastic very near the open side of the connection where the harness plugs in.

Here they are:
Back: Front:

SHOf429 wrote: ↑

Sat Aug 01, 2020 3:33 am

Edit: is there a difference in r0.4 and 0.5 re: paste layers?

I did find at least a few differences, in particular around the power supply.

The stencils I received are quite beautiful.

37334 USA

I have a question after doing some testing on the factory crank and cam sensors. They are hall effect with 0 or 12v output. No pull-up or down resistors in the OEM circuit. 1. Does this need to be fed to the MAX VR conditioner or the alternate signal inputs with a voltage divider (inputs 9 and 11)? ...

Just ordered some stencils for the frankenso board from oshstencils.com. We'll see how they work, I think it would help the daunting task of getting the right amount of paste on each of those tiny pads. I'm open to a buy forward model of sharing the stencils when I'm done with them. Edit: is there a...

SHOf429 wrote: ↑

Thu Jun 25, 2020 1:11 am

https://www.mouser.com/ProductDetail/Amphenol-Commercial-Products/MUSB-B151-34?qs=VZGfJwuufXb%2Fe4T3MvbasQ%3D%3D

I went and ordered one of these just to see how it fits the board and case. I'll post pictures and details to gather opinion on whether this is a thing to be considered.

https://www.mouser.com/ProductDetail/Amphenol-Commercial-Products/MUSB-B151-34?qs=VZGfJwuufXb%2Fe4T3MvbasQ%3D%3D Seems the part number in the datasheet doesn't quite match the product part number. My mistake for not verifying. Also: https://octopart.com/search?q=MUSB-B151&currency=USD&specs=0

Just gonna drop this here...

https://www.mouser.com/datasheet/2/18/1/musbk152xx-1395706.pdf

Frankenso swap in the works. Car is a 94 Taurus with the SHO 3.0 and manual transmission. OEM it runs sequential fuel and EDIS wasted spark. Has a dual runner intake that switches from long to short at 4k rpm. https://images.app.goo.gl/VLLU4ejk8gF9rRbLA Things I'm still trying to get sorted include ...

https://github.com/rusefi/rusefi/issues/1452#issue-619888534 I found CH135 listed as a controller for the next generation of wbo2 sensors. http://www.bosch-semiconductors.com/media/automotive_systems_ics/pdf_1/ic_engine_management/bosch_ic_cj135.pdf Again, not a proper data sheet but a product broch...

SHOf429 wrote: ↑

Thu Jun 18, 2020 7:24 pm

At the risk of redundancy, has this already been investigated?

I answered my own question with the search box.

Looks like Infineon TLE6244X is the same thing, possibly labeled as Bosch CJ950.

https://www.infineon.com/dgdl/Application_Note-TLE6244x.pdf

At the risk of redundancy, has this already been investigated?

On average Bosch chips do not have detailed 90 pages datasheets. With a 2 page product information sheet there is nothing we can do about those chips. Indeed I noticed that. Does not bode well for anybody outside a large OEM. Perhaps they get enough revenue from their corporate customers they don't...

https://www.bosch-semiconductors.com/automotive-system-ics/engine-management-systems/cj950/ Stumbled across the CJ950 while on the trail of the CJ125... 18 channel integrated low side driver with up to 8 amps on two channels (lambda heater control). Serial control seems it would be a perfect fit for...

After dubious searching, I feel like I may be having a brain fart. is there someplace in the software to change the display units to Fahrenheit, PSI, etc instead of metric? Maybe a change to the .ini file?

For this application, closed loop would be a must. The Ford uses a vacuum referenced fuel pressure sensor mounted on the rail. https://www.autozone.com/engine-management/fuel-injection-pressure-sensor/ford/escort PWM on the pump driver is modulated to maintain a 39 psi delta across the injectors und...

There's a bit of discussion on return-less fuel pumps here https://rusefi.com/forum/viewtopic.php?p=35101#p35101 and how to drive them. Ford has a fuel pump driver module (FPDM) in many applications https://www.partsgeek.com/hfd5znt-ford-taurus-fuel-pump-driver-module.html such as a 2000 Taurus. htt...

This project is NOT for emissions regulated or safety regulated applications. This project is for race cars, snow blowers, fixed engine applications, and science experiments. In light of the above there will absolutely be no cruise control logic in rusEFI. For the safety aspect of my uh...snowblowe...