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55 lines
2.7 KiB
Markdown
55 lines
2.7 KiB
Markdown
# Assembly
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## Before you start
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Read through all instructions before starting.
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## Building
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1. Solder on the surface mount SD Card holder. Use the [Drag Solder](https://youtu.be/Z_KL4fWOMug) technique.
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- Once on, check continuity of all connections. Fixing this after the BluePill is on will be difficult.
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- Ensure the SD card fits and you dont have too much solder on the sides or contacts
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2. Solder the dioeds to the **bottom** of the board. Be sure they are flush as possible to the bottom.
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3. Solder the header pins on to the BluePill. Then BluePill pill to the BlueSCSI PCB.
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- Correct orientation is having the USB connector of the BluePill should be over the SD Card holder.
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4. Solder on the resistor nets. Pin one is marked on the board and the resistors.
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- 220 RNETS (`RN1` & `RN3`) are closest to the BluePill
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- Note PIN one on each - they are opposite of eachtoher. See photo.
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- 330 RNETS (`RN2` & `RN4`) are furthest from the BluePill
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- Note PIN one on each - they are opposite of eachtoher. See photo.
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5. Solder on the Termination Jumpers & place the jumpers on to enable Termiation
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6. Solder the 50 Pin headers on.
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1. Note Pin 1 and Box header on the silk screen.
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7. Optional - Solder on the berg connector. Only needed if your machine does not supply enough power via the SCSI bus.
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8. Optional - Solder on the debug headers near the SD card. Only nessissarry if re-programming.
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### Fully Assembled
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### Version 1.0-b BOM
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STM32F103C8T6 (U1) aka BluePill board. Beware of fake/scams. Look for reviews. Amazon, ebay, etc.
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Mouser Cart https://www.mouser.com/ProjectManager/ProjectDetail.aspx?State=EDIT&ProjectGUID=db967d46-a51a-4a0e-a350-8f503b2f02cf
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* 2x 330 (RN2, RN4) Resistor nets https://www.mouser.com/ProductDetail/652-4610X-1LF-330
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* 2x 220 (RN1, RN3) Resistor nets https://www.mouser.com/ProductDetail/652-4610X-1LF-220
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* 2x Diodes https://www.mouser.com/ProductDetail/583-1N5818-T
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* SD Card Holder (J1) https://www.mouser.com/ProductDetail/538-104031-0811
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* Headers https://www.mouser.com/ProductDetail/872-920-0011-01
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* 50 PIN SCSI header https://www.mouser.com/ProductDetail/517-30350-6002/
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- May substitute with 2 rows of headers from above.
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- **Note on Right angle connectors** - it appears Right angle headers are notched differently then the pin out. Be sure to note PIN 1/red stripe on the cable match up.
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### Optional
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Floppy/Berg Power header https://www.mouser.com/ProductDetail/571-1718254
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- Required if your machine does not supply power via TERM POWER. For example a Mac Plus or Mac with a Analog/PSU board that has not been recapped.
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