Merge pull request #311 from mi-hol/master
fixes markdown table syntax and heading hierarchy
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@ -1,22 +1,29 @@
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# Plug In Board Process
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# Plug In Board Process
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# Step 1 Research
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## Step 1 Research
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have wiring diagrams in random loose format: pictures, scans, PDF, text.
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have wiring diagrams in random loose format: pictures, scans, PDF, text.
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# Step 2 Data Entry
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## Step 2 Data Entry
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have ECU connector pinout in google spreadsheet form, with explicit function of each pin, often with analysis of multiple vehicles with similar pinout. [Good example](https://docs.google.com/spreadsheets/d/1H0cZPAJFbpprgSu1Y8BiAYzXbqddvIn-Hhod4QCVQwk)
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# Step 3 Breakout
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have ECU connector pin-out in google spreadsheet form, with explicit function of each pin, often with analysis of multiple vehicles with similar pin-out. [Good example](https://docs.google.com/spreadsheets/d/1H0cZPAJFbpprgSu1Y8BiAYzXbqddvIn-Hhod4QCVQwk)
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Break board for that connector to reduce risks, also a product by itself!
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# Step 4 Start of KiCAD
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## Step 3 Breakout
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Pinout data entry into KiCAD
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Breakout board for that connector to reduce risks, also a product by itself!
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## Step 4 Start of KiCAD
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Pin-out data entry into KiCAD
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## Step 5 Adapter
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# Step 5 Adapter
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Proteus or else adapter for specific vehicle, based on steps 2, 3 and 4. Because cheaper fabrication and less labor intense.
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Proteus or else adapter for specific vehicle, based on steps 2, 3 and 4. Because cheaper fabrication and less labor intense.
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# Step 6 Plug In Hellen
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## Step 6 Plug In Hellen
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Full plug in board like Hellen if demand exists. See https://github.com/rusefi/rusefi/wiki/Standalone-on-Demand
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Full plug in board like Hellen if demand exists. See <https://github.com/rusefi/rusefi/wiki/Standalone-on-Demand>
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## Step 7 Hellen real vehicle tests
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# Step 7 Hellen real vehicle tests
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We are getting good at these Hellen boards but a board is not done until tested on a real vehicle. A master tech skill set is needed to turn a Hellen into a proven board!
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We are getting good at these Hellen boards but a board is not done until tested on a real vehicle. A master tech skill set is needed to turn a Hellen into a proven board!
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@ -89,7 +89,7 @@ Replace the LED or ignore it. This is only an indicator that you have 3V.
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![STM42F4 Discovery](Images/2014-08-21T15-20-24.645Z-stm32f4_discovery.jpg)
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![STM42F4 Discovery](Images/2014-08-21T15-20-24.645Z-stm32f4_discovery.jpg)
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![STM42F4 Discovery Layout](Images/layout.png)
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![STM42F4 Discovery Layout](Images/Layout.png)
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[stm32f4discovery home page](http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419)
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[stm32f4discovery home page](http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419)
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@ -101,18 +101,20 @@ Replace the LED or ignore it. This is only an indicator that you have 3V.
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Here are several measurements to function as a point of reference. These were taken with a known good board.
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Here are several measurements to function as a point of reference. These were taken with a known good board.
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With the USB powering the board via CN1 and JP1 removed,
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* With the USB powering the board via CN1 and JP1 removed,
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Voltage referenced to GND is
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* Voltage referenced to GND is
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Voltage measurements
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Voltage measurements
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||Away from audio jack|closer to audio jack
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||Away from audio jack|closer to audio jack
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--- | ----- | ------
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|D1|4.76V|5.08V
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|D1|4.76V|5.08V
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|D3|3.298V|2.968V
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|D3|3.298V|2.968V
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|JP1|2.968V|.3mV
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|JP1|2.968V|.3mV
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With no USB and no other connections to the discovery,
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* With no USB and no other connections to the discovery,
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* the measured ohms (auto scale) to GND with JP1 removed, The SWD side of JP1 measured at 7.34k ohms, and the audio jack side of JP 1 measured at 4.98k ohms.
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the measured ohms (auto scale) to GND with JP1 removed, The SWD side of JP1 measured at 7.34k ohms, and the audio jack side of JP 1 measured at 4.98k ohms.
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## common parts
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## common parts
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