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If you want to develop on the lower cost M0+ based STM32 MCUs I think the STM32 Nucleo boards offer unbeatable value: http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1847?sc=stm32nucleo Nevertheless a nice low-cost platform, but if not building something very specific I think the Nucleo boa...

Do you have an oscilloscope ? Although unlikely it might be a problem with the opamp oscillating, some opamps are not "unity-gain stable". I expect the LMV324 to be unity-gain stable: the old National semiconductor datasheet says this: The LMV321/358/324 can directly drive 200pF in unity-g...

Is that op-amp input, or harness input that you are measuring the input voltage? Also per figure 23, the positive rail should be off by only 10mV so you are far worse than the expected. Not entirely true: because these inputs have to source about 1.5mA due to the resistor divider you can see a drop...

OEMs must have very good reason to stick to VR sensors: let me throw some arguments in favor of the VR sensor on the table: Phase / offset / accuracy: the great thing of VR is the fact the middle of the teeth is always at the zero crossing of the signal, this makes VR immune to delays and/or phase e...

Another Dutch member, cool! I am located near Utrecht, so unfortunately 200 kilometers away. DAF 55 are funny vehicles, I suppose you remained the CVT gearbox ? Because that is the party trick of the DAF, being able to accelerate very well because the engine gets a fixed RPM. Also: because there are...

For validating PCB shapes, footprints and outline I usually just print them on paper (real size). If you then want check the case I would just use a plate of plastic the thickness of a PCB (which in most cases is 1.55mm or 63 mils I think) and drill manually.. But if you have a 3D printer.. I am jea...

Year is 9-1999, so one of the early ones. Mine is a manual, I avoided the 2JZ IS300 because they were never sold as manuals in Europe :cry: I will be looking for one of these on a scrapyard as I have some broken interior bits I want to change, maybe I can get hold of an ECU too. Are you aware of any...

Nope, no insurance whatsoever.. Anyway I have bought something else: A Lexus IS200 Sport with Torsen LSD. http://i59.tinypic.com/rjlk02.jpg It has the Toyota 1G-FE engine which is a 2.0L DOHC VVT-i Inline-6 with 155 BHP. The car drives really nice and it goes sideways very well (which is why I reall...

It has been too long since I have worked on CAN.. Anyway there I recall a pitfall with using a 5V CAN transceiver with a 3V3 MCU. For now stick with the 3V3 transceiver on 3V3 MCUs. For 5V (like the MCP2515) you can use the other transceivers. Using the MCP2515 back to back on a breadboard would pro...

Yes it happened on track, on the road I like to keep things safe. Nevertheless I think this was a lesson on safety, I do not want to know what would have happened if I had crashed it in the Füchsrohre (foxhole), because this car would have peaked 195km/u at that point.. This impact was only at about...

Both sorry to hear about the car, and good to hear you made it through. Cycling is good exercise, so that's a + side of the issue. I'll try to remember to peer pressure you. That will probably happen next week. I'm reasonably busy this week, so it would be kind of hard to get done this week. I'm in...

I ran the Civic into a concrete wall yesterday.. Painful experience: both for my body and wallet. Car is beyond repair, right front wheel went into the passenger foot well, passenger door is next to the car, roof is bent, the whole floor seems bent and the front of the car has moved like 20 cm compa...

I find the waveform from the OEM ECU quite weird: it is very close to 100% duty cycle on 12V. Is this waveform captured during warm-up? Also: what is the reference here? I guess the idle valve is hardwired to 12V on one side ? As I have a Miata engine in the shed I can have a look at this as well, b...

Has to be tested I guess. For fast SPI lines it is not uncommon to have these fail on cable runs as short as 2 feet, but this interface can be run slower if needed. As a good practice you should insert a series resistor with the "E" line to limit reflections / ringing. Series termination s...

Nice!

Creating a KiCAD footprint / board for these chips is on my to-do list (I will not forget it), but time has been a bit sparse in the last two weeks.

Bosch 0227100211 - a four channel option, looks to be smaller than Toyota igniter. One day I would check if it works with 3.3v as Toyota module does. My Neon would need an igniter, and I now live in the land of no junk yards. I probably have some Toyota igniters but anyway, we need a tiny rusEfi ig...

To PCB mount, or remote mount, that is the question. Some want the electrical signal, which prevents the air from dampening, others want it PCB mounted, which allows for less chances of electrical noise. In the past I've put on a PCB version, and allowed for wires that can be remoted. I would tend ...

ST launches the STM32F7 series: http://www.st.com/stm32f7-pr Basically the Cortex M7 gives 2x the performance of the Cortex M4 at the same clockspeed. The clock speed for the F7 is also up to 200MHz. Floating point unit is still single precision. Apart from the improved core performance the biggest ...

Does rusefi have an IRC channel ? If you plan on spending 3000$ you can buy something nice instead of an abused Honda Accord. Go by any means with a manual transmission, this will simplify things greatly. I also think you should stick to a 4 banger. Any >2000's Japanese 4 bangers are poorly supporte...

Thanks for the warm welcome, lets not brag any further and get down to the business :lol: First the Honda: The Honda runs a OBD2a engine wiring loom with a OBD1 ECU (P06 w/ VTEC circuitry added by me). The way I connect the OBD2a loom to the ECU is by use of a Chinese OBD1 -> OBD2a conversion harnes...

Hi! Small introduction: I am an electrical engineer for a semiconductor company, living in The Netherlands and currently 25 years old. My skills are: -PCB design -PCB manufacturing -Embedded C developer (PICs,AVRs,STM32s,NXP LPCs) -And some basic mechanical skills (by hobby only) My most interesting...