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[help needed] Cheap STM32F407VET6

Last post by AndreyB « Sun Jun 30, 2019 2:47 pm

by AndreyB » Sun Jun 30, 2019 2:47 pm

Mouser published price for STM32F407VET6 is $11.38@1 and $6.46@1,000

eBay has 1pcs STM32F407VET6 for $4.80+$1.50 shippping = $6.30 shipped. $6.30 is...

0 Replies

3987 Views

Last post by AndreyB
Sun Jun 30, 2019 2:47 pm
[help needed] Hardware files strategy including KiCad 4 to 5 migration

Last post by kb1gtt « Sun Jun 30, 2019 1:23 am
Replies: 1
by AndreyB » Sat Jun 29, 2019 11:48 pm

As of June 2019 repo still has KiCad version 4 files. Technically there are two issues here - first issue is that we have a huge repository with both...

1 Replies

676 Views

Last post by kb1gtt
Sun Jun 30, 2019 1:23 am
[README] Crimp notes & splice connection

Last post by kb1gtt « Mon Jun 17, 2019 12:58 am
Replies: 5
by kb1gtt » Sun Mar 20, 2016 9:53 am

Often problems are caused by poor crimps. Crimp connections can cause heat, or when you have a capacitive based circuit driving an inductive device,...

5 Replies

1823 Views

Last post by kb1gtt
Mon Jun 17, 2019 12:58 am
work in progress bosch 7506280 GDI driver

Last post by OrchardPerformance « Mon May 13, 2019 8:47 pm
Replies: 5
by AndreyB » Wed May 08, 2019 12:27 am

BMW 760 e65/e66 had separate electrics boxes just to drive direct injectors - those were the early days of GDI. Each v12 engine was running using two...

5 Replies

1944 Views

Last post by OrchardPerformance
Mon May 13, 2019 8:47 pm
GDI overall status thread

Last post by AndreyB « Wed May 08, 2019 12:32 am
Replies: 7
by AndreyB » Sun Apr 28, 2019 2:19 am

As of April 2019, rusEfi is quite far from GDI gasoline direct injection. No reason not to make some baby steps :)

Went to a yard today tring to...

7 Replies

1551 Views

Last post by AndreyB
Wed May 08, 2019 12:32 am
Multichannel ADC instead of all analog circuitry (opamps, vr)

Last post by 960 « Sun May 05, 2019 6:22 pm
Replies: 13
by andreika » Sat Dec 29, 2018 6:06 pm

Hi!

@Russian asked me to drop a few lines about the replacement of analog circuitry (opamps), digital inputs and... vr-interface.

The first...

13 Replies

2962 Views

Last post by 960
Sun May 05, 2019 6:22 pm
VBatt oddness on Frankenso

Last post by OrchardPerformance « Wed May 01, 2019 9:16 am
Replies: 3
by OrchardPerformance » Tue Apr 30, 2019 12:42 am

I'm expecting this to be entirely my fault but I am having some odd response from my VBatt channel.

It seems to work fine but any voltage above 5v...

3 Replies

992 Views

Last post by OrchardPerformance
Wed May 01, 2019 9:16 am
[info] high side and low side driver module - TC4427

Last post by AndreyB « Fri Apr 26, 2019 5:21 am
Replies: 32
by kb1gtt » Mon Jan 27, 2014 6:42 pm
1

2
The high side and low side driver module based on TC4427 has been created.
Capture.PNG
This module has a place where you can wire the high side...
32 Replies

13546 Views

Last post by AndreyB
Fri Apr 26, 2019 5:21 am
I think I just killed my Discovery board

Last post by OrchardPerformance « Sat Apr 13, 2019 9:02 pm
Replies: 7
by OrchardPerformance » Sat Apr 06, 2019 7:23 pm

As title, I think I may have just killed my discovery board but I'm not sure how....

I was putting it back into the car with the frankenso board...

7 Replies

1718 Views

Last post by OrchardPerformance
Sat Apr 13, 2019 9:02 pm
Prometheus atempt

Last post by atntpt « Thu Apr 11, 2019 1:52 pm
Replies: 19
by atntpt » Mon Feb 04, 2019 9:26 pm

Hi as many of you know im trying to assemble a Prometheus from @andreika .
Current status is:
- all components on board except for some small caps...

19 Replies

3717 Views

Last post by atntpt
Thu Apr 11, 2019 1:52 pm
Davey’s Frankenstein build Qs

Last post by Abricos « Wed Apr 10, 2019 6:18 pm
Replies: 11
by DaveyG » Tue Apr 09, 2019 4:00 pm

So I purchased the Frankenstein kit with the STM32 board, and I’m just checking over all of the components (mainly just double checking capacitance)...

11 Replies

2228 Views

Last post by Abricos
Wed Apr 10, 2019 6:18 pm
Suggestions for good ADC solution with minimum components

Last post by 960 « Tue Apr 02, 2019 12:04 pm
Replies: 24
by 960 » Fri Mar 22, 2019 7:44 pm

As topic I am looking for a solution for the ADC's.

I want as less components as nessecary, but need to be overvoltage protected.

I have a Link G4+...

24 Replies

3531 Views

Last post by 960
Tue Apr 02, 2019 12:04 pm
work in progress Imolaboard base board

Last post by AndreyB « Wed Mar 13, 2019 1:06 am
Replies: 4
by AndreyB » Tue Jan 01, 2019 3:12 am

For the next generation of PnP rusEfi ECUs we will have two PCBs sides to side inside the case - vehicle-specific connector PCB and universal...

4 Replies

1418 Views

Last post by AndreyB
Wed Mar 13, 2019 1:06 am
[info] Nucleo144 wings

Last post by AndreyB « Sat Mar 09, 2019 10:00 pm

by AndreyB » Sat Mar 09, 2019 10:00 pm

It's time for us to look at 144 pin versions of stm32 more closely, and with ETB and DI and other dreams we need a new prototyping approach.

The...

0 Replies

4086 Views

Last post by AndreyB
Sat Mar 09, 2019 10:00 pm
[help needed] TLE8110 10 channel low side breakout board

Last post by AndreyB « Sat Mar 09, 2019 9:34 pm
Replies: 27
by AndreyB » Tue Jan 01, 2019 1:37 am

And my new favorite chips are TLE8110EE (older version available on eBay, not recommended for new designs) and TLE8110ED (available on Moused, new...

27 Replies

4662 Views

Last post by AndreyB
Sat Mar 09, 2019 9:34 pm
[help needed] Help me with stm32f4

Last post by azasaw « Fri Feb 22, 2019 1:12 am
Replies: 5
by azasaw » Thu Feb 21, 2019 7:23 pm

Hello, I am new to this forum, got interested in rusefi when I was looking to buy ms, maybe half a year ago I bought frankenso and now I finished...

5 Replies

1532 Views

Last post by azasaw
Fri Feb 22, 2019 1:12 am
[info] 81 pin connector

Last post by andreika « Wed Feb 13, 2019 5:19 am
Replies: 3
by AndreyB » Sun Jan 27, 2019 8:06 pm

Looks like this was never an official TE/AMP design but you can get it from China under DJ7811-1-3.5-10 name. This is a shorter version of the 121...

3 Replies

983 Views

Last post by andreika
Wed Feb 13, 2019 5:19 am
Thinking of Microsquirt over RusEFI

Last post by Number-One « Sun Feb 10, 2019 6:07 pm
Replies: 18
by sparky » Sun Jan 20, 2019 7:51 pm

Just wanted to get some (hopefully) objective thoughts on why I am wanting to choose Microsquirt over RusEFI.

A bit of background I am doing a 2...

18 Replies

3683 Views

Last post by Number-One
Sun Feb 10, 2019 6:07 pm
[info] "Black VET6" STM32F407VET6 eBay board

Last post by AndreyB « Sun Jan 27, 2019 5:26 pm
Replies: 6
by AndreyB » Sat Jan 19, 2019 3:08 am

Just got two boards for $21.60 shipped- that's $10.80 for one board shipped - this is pretty amazing, we get SD card module, battery for real time...

6 Replies

1904 Views

Last post by AndreyB
Sun Jan 27, 2019 5:26 pm
work in progress TPS54340 Step-Down DC/DC Converter breakout board

Last post by AndreyB « Thu Jan 24, 2019 12:31 am
Replies: 10
by AndreyB » Tue Jan 01, 2019 3:46 am

Can we try on a mini board?

10 Replies

2324 Views

Last post by AndreyB
Thu Jan 24, 2019 12:31 am
Trigger Wheel Teeth

Last post by mck1117 « Tue Jan 22, 2019 9:44 pm
Replies: 2
by sparky » Tue Jan 22, 2019 8:38 pm

I am taking my flywheel to the machinist tomorrow and just want to understand if there are any restrictions on the number of teeth and skip teeth...

2 Replies

808 Views

Last post by mck1117
Tue Jan 22, 2019 9:44 pm
Search for power supply chip

Last post by 960 « Tue Jan 22, 2019 12:15 pm
Replies: 36
by kb1gtt » Tue Jan 01, 2019 12:37 pm
1

2
About power-supply, why dont we use a proper Automotive IC? Supplier and cost?
36 Replies

6318 Views

Last post by 960
Tue Jan 22, 2019 12:15 pm
[info] Yanvar January 7.2 OEM ECU from Russia

Last post by AndreyB « Sat Jan 19, 2019 4:21 am
Replies: 4
by AndreyB » Sat Jan 19, 2019 3:57 am

Yanvar January 7.2 (Январь 7.2) is quite an interesting OEM 81 pin ECU for Lada and other Russian vehicles like

A couple of things are cool about...

4 Replies

1156 Views

Last post by AndreyB
Sat Jan 19, 2019 4:21 am
DENSO's A/F Sensors

Last post by mobyfab « Wed Jan 09, 2019 8:28 pm
Replies: 6
by AndreyB » Thu Jan 03, 2019 12:45 am

mobyfab has mentioned a less-narrow oxygen sensor, Denso calls these A/F Sensors which measures A/F ratios from approximately 12:1 to 19:1

Q9:...

6 Replies

1760 Views

Last post by mobyfab
Wed Jan 09, 2019 8:28 pm
[help needed] rusEfi Use Scenarios for Next Hardware Iteration

Last post by mck1117 « Fri Jan 04, 2019 7:36 pm
Replies: 44
by mck1117 » Fri Dec 28, 2018 8:49 pm
1

2
Hi all, there was a lot of overlap and confusion between the 22mm Manhattan and lets choose an enclosure threads, so I'm creating this one to have a...
44 Replies

9224 Views

Last post by mck1117
Fri Jan 04, 2019 7:36 pm

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