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[help needed] L9302 datasheet?

Last post by kb1gtt « Mon May 26, 2014 9:52 am
Replies: 1
by AndreyB » Sun May 25, 2014 11:27 pm

ST L9302-AD automotive ignition and injection driver Auto ICS L9302AD ECU chip

Price on eBay - $3
I wonder how many channels they have stuffed into...

1 Replies

4245 Views

Last post by kb1gtt
Mon May 26, 2014 9:52 am
Power supply - rus084

Last post by kb1gtt « Tue May 20, 2014 11:09 pm
Replies: 6
by rus084 » Tue May 20, 2014 8:05 am

what do you think about this citcut?

6 Replies

10266 Views

Last post by kb1gtt
Tue May 20, 2014 11:09 pm
HOLY GRAIL Builds

Last post by kb1gtt « Tue May 13, 2014 12:01 pm
Replies: 5
by SecureSupplies » Fri May 09, 2014 2:17 pm

Hi Member
I just Joined my name is Daniel I am Australian and live in Thailand.
Needless to say , that you forums are awesome and I really love the...

5 Replies

9107 Views

Last post by kb1gtt
Tue May 13, 2014 12:01 pm
[help needed] Holy Grail Builds

Last post by SecureSupplies « Fri May 09, 2014 2:21 pm

by SecureSupplies » Fri May 09, 2014 2:21 pm

Hi Member
I just Joined my name is Daniel I am Australian and live in Thailand.
Needless to say , that you forums are awesome and I really love the...

0 Replies

6707 Views

Last post by SecureSupplies
Fri May 09, 2014 2:21 pm
Digital/discrete inputs - Sudo

Last post by AndreyB « Tue Apr 22, 2014 1:33 pm
Replies: 13
by Sudo » Thu Apr 03, 2014 7:05 pm

Here is my suggestion for input:

A simple NFET like 2N7002K is perfect for general purpose discrete inputs. Vgs can handle +/-20V. ESD protected...

13 Replies

18926 Views

Last post by AndreyB
Tue Apr 22, 2014 1:33 pm
CAN module - SN65HVD230

Last post by kb1gtt « Tue Apr 15, 2014 8:58 am
Replies: 25
by AndreyB » Sat Dec 14, 2013 5:25 pm

Based on SN65HVD230
Current status: rev 0.1 is totally functional!
Ordered rev 0.2 with silkscreen improvements

can_board.zip
Schematic.pdf...

25 Replies

52641 Views

Last post by kb1gtt
Tue Apr 15, 2014 8:58 am
Circuithub.com kicad library.

Last post by Sudo « Fri Apr 11, 2014 10:56 am

by Sudo » Fri Apr 11, 2014 10:56 am

I thought this is a good concept. It seems to be useful for kicad once they get all the bug fix. They deserve a lot of credit for their work so far.

0 Replies

6827 Views

Last post by Sudo
Fri Apr 11, 2014 10:56 am
How to measure inductance of a fuel injector?

Last post by Sudo « Tue Apr 08, 2014 7:31 pm
Replies: 1
by Sergey89 » Tue Apr 08, 2014 5:54 pm

I tried to measure the inductance of a Bosch EV14 fuel injector and got a strange result. I used a cheap meter from ebay (

3.3 mH @ 85 kHz
91.6 mH...

1 Replies

5156 Views

Last post by Sudo
Tue Apr 08, 2014 7:31 pm
Digital/discrete inputs - Sergey89

Last post by kb1gtt « Fri Apr 04, 2014 9:45 am
Replies: 5
by Sergey89 » Thu Apr 03, 2014 5:45 pm

For some additional features we are need to determine the state of the external switches in the firmware.

This is one of the ideas.

Pull-up or...

5 Replies

7975 Views

Last post by kb1gtt
Fri Apr 04, 2014 9:45 am
analog inputs: op-amp - kb1gtt

Last post by kb1gtt « Mon Mar 31, 2014 10:22 am
Replies: 28
by kb1gtt » Sat Nov 09, 2013 3:37 pm

I've been looking to make an input circuit that can accept up to 600V. I've been stewing over the idea with a couple people. So far the best we've...

28 Replies

41005 Views

Last post by kb1gtt
Mon Mar 31, 2014 10:22 am
HOWTO connect LCD 16x2

Last post by puff « Thu Mar 27, 2014 8:35 pm
Replies: 26
by Kot_dnz » Thu Feb 20, 2014 11:15 pm

We have standard low cost 16x2 LCD display based on HD44780.

Ebay cost 3.83 USD

With according datasheet display Power Supply is 5V.

Input...

26 Replies

37955 Views

Last post by puff
Thu Mar 27, 2014 8:35 pm
[help needed] Parts Req - Ford Festiva - Stock Engine

Last post by sketchman « Wed Mar 12, 2014 6:11 pm
Replies: 17
by sketchman » Wed Mar 12, 2014 1:29 pm

As it says. I'm ready to build one of these. Curious what I need to get going.

Don't need IAC control if that matters. Stock B3 engine.

17 Replies

19905 Views

Last post by sketchman
Wed Mar 12, 2014 6:11 pm
PCB temperature sensing.

Last post by kb1gtt « Sun Mar 02, 2014 3:45 pm
Replies: 5
by kb1gtt » Fri Feb 28, 2014 11:26 am

There are a variety of reasons whey we would want to measure the PCB temperature. Ranging from diagnostics, to warnings, to adjusting for temperature...

5 Replies

8002 Views

Last post by kb1gtt
Sun Mar 02, 2014 3:45 pm
Power supply possible suggetion?

Last post by kb1gtt « Wed Feb 19, 2014 10:27 pm
Replies: 21
by abecedarian » Mon Jan 27, 2014 10:39 am

PS.jpg

No filtering on the input, but reverse voltage protected, with LED indicators to show it. ;)

Comments?

Long story short, the p-channel...

21 Replies

26754 Views

Last post by kb1gtt
Wed Feb 19, 2014 10:27 pm
3 rail power supply chip

Last post by kb1gtt « Tue Feb 18, 2014 11:11 am
Replies: 21
by abecedarian » Thu Feb 13, 2014 7:37 pm

Up to 60v input source compatible.
Configurable 'watchdog' function.
3 output rails:
: 1- 5v @ 800 mA;
: 1- 3.3 or 2.6v @ 500 mA;
: 1- 3.3 or 2.6v @...

21 Replies

24437 Views

Last post by kb1gtt
Tue Feb 18, 2014 11:11 am
Hardware development guidelines

Last post by puff « Sun Feb 16, 2014 5:10 pm
Replies: 1
by AndreyB » Sun Feb 16, 2014 3:53 pm

1 Replies

4084 Views

Last post by puff
Sun Feb 16, 2014 5:10 pm
VR-sensor board based on LM1815

Last post by puff « Fri Jan 24, 2014 1:28 pm

by puff » Fri Jan 24, 2014 1:28 pm

Hey there! I've decided to share my draft designs of this board with the english part of the forum.
I've seen plenty of various LM1815 schemes for...

0 Replies

7728 Views

Last post by puff
Fri Jan 24, 2014 1:28 pm
[help needed] harness extension system ideas?

Last post by kb1gtt « Wed Jan 22, 2014 11:22 pm
Replies: 28
by AndreyB » Wed Jan 08, 2014 12:34 am

Looking for ideas for a nicer harness extension system.

Let's begin with what I have now:
Currently I have a 6 ft ECU harness extension - so, a male...

28 Replies

42926 Views

Last post by kb1gtt
Wed Jan 22, 2014 11:22 pm
Misc STM discovery F4 design notes

Last post by kb1gtt « Tue Jan 14, 2014 1:23 am

by kb1gtt » Tue Jan 14, 2014 1:23 am

So these are some general notes that I'm looking into, and figured I should post the critical stuff in one location.

From datasheet found here
Pg...

0 Replies

6836 Views

Last post by kb1gtt
Tue Jan 14, 2014 1:23 am
Power supply - Sergey89

Last post by kb1gtt « Mon Jan 13, 2014 11:11 am
Replies: 20
by Sergey89 » Tue Oct 15, 2013 3:50 pm

20 Replies

35281 Views

Last post by kb1gtt
Mon Jan 13, 2014 11:11 am
Fiber Optic bus

Last post by abecedarian « Sun Jan 12, 2014 1:26 am
Replies: 7
by kb1gtt » Sat Jan 11, 2014 12:14 am

I tend to think this would be a good idea. For a variety of reasons.

7 Replies

12421 Views

Last post by abecedarian
Sun Jan 12, 2014 1:26 am
Can we simply replace 5v with 3.3v?

Last post by kb1gtt « Sat Jan 11, 2014 11:54 am
Replies: 5
by AndreyB » Tue Jan 07, 2014 3:46 pm

Would it be possible to completely eliminate 5v in our ECU? Let's reiterate all sensors and how they would be transitioned to 3.3v

Thermistors -...

5 Replies

10039 Views

Last post by kb1gtt
Sat Jan 11, 2014 11:54 am
Vishay SIS414dn low side switch

Last post by abecedarian « Sat Jan 11, 2014 9:14 am
Replies: 9
by blundar » Tue Jan 07, 2014 3:49 pm

It isn't integrated but I ended up using many Vishay SIS414dn FETs in a design for injector drivers and had no issues aside from it being very hard...

9 Replies

13702 Views

Last post by abecedarian
Sat Jan 11, 2014 9:14 am
Interfacing with a LCD/tablet dash

Last post by acab « Mon Jan 06, 2014 8:03 pm
Replies: 14
by skeeters_keeper » Fri Dec 06, 2013 1:34 pm

It seems like one of the first things I'd like to do is have a way to display a digital dash . I like TunnerStudio - but driving around with my...

14 Replies

21756 Views

Last post by acab
Mon Jan 06, 2014 8:03 pm
How about other dev boards?

Last post by TheHeckler « Mon Jan 06, 2014 5:31 am
Replies: 6
by dobrin » Wed Nov 20, 2013 8:00 am

Hello,

I have a question about HW.
Can you please check if this PCB have all components needed to join this project.
According to me, it's more...

6 Replies

10900 Views

Last post by TheHeckler
Mon Jan 06, 2014 5:31 am

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