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CERN Open Hardware License

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Gotek Floppy
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Enhanced Gotek

1 year ago 1479
  • Description
  • Documents
  • BOM
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  • Members
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Description

And enhanced gotek to make it smaller and userfriendly.

Documents

Sheet_1

Sheet_2

PCB1.0

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part
1 BUZZERHNB09A03 BUZZER1 DIP-BUZZER-9X5.5 1 LCSC HNDZ buzzerHNB09A03 C96102
2 22pF C1,C2 0603 2
3 100nF C3,C4,C5,C6,C9,C10,C12 0603 7
4 1n1000V C7 C0805 1
5 10uF C8,C11 0603 2
6 Header-Male-2.54_1x4 H1 DIP-1X4P-2.54MM-M 1 LCSC Ckmtw 210S-1*4P L=11.6MMGold-plated black C124378
7 1x5 H2 DIP-1X5P-2.54MM-M 1 LCSC Ckmtw 210S-1*5P L=11.6MMGold-plated black C124379
8 LED-3MM L4 LED-3MM/2.54 1 LCSC EVERLIGHT 204-10SURD/S530-A3 C99772
9 22ohm R11,R12 0603 2
10 1k R13,R29 0603 2
11 Push Button 6x6 SW01,SW02 MY PUSH BUTTON 6X6 90DEGREE 2
12 STM32F105RBT6 U3 LQFP-64_10X10X05P 1 LCSC STMicroelectronics STM32F105RBT6 C8349
13 LT1117IST-3.3#PBF U2 SOT-223 1 LCSC LINEAR LT1117IST-3.3#PBF C114908
14 A/FPaste board Aparagraph 10Four feet without curling ironLCPVinyl6.8 USB1 USB-M-27 1 LCSC ValuePro A/FPaste board Aparagraph 10Four feet without curling ironLCPVinyl6.8 C42581
15 Header-Male-2.54_1x5 H3,H4 DIP-1X5P-2.54MM-M 2 LCSC Ckmtw 210S-1*5P L=11.6MMGold-plated black C124379
16 Header-Female-2.54_1x2 P4 HDR-1X2/2.54 1 LCSC BOOMELE 2.54-1*2PFemale C49661
17 1x2 P6,P1 HDR-1X2/2.54 2 LCSC BOOMELE 2.54-1*2PFemale C49661
18 8MHz X1 SMD-5032_2P 1 LCSC TAE SMD-5032_2P 8M 20pf 30ppm C122522
19 Header-Male-2.54_1x3 P7 HDR-3X1/2.54 1 LCSC BOOMELE Header2.54mm 1*3P C49257
20 Header-Female-2.54_2x13 P2 HDR-13X2/2.54 1 LCSC BOOMELE 2×13Female header Straight line C64320
21 Header-Male-2.54_2x17 P3 HDR-17X2/2.54 1 LCSC ReliaPro Header-Male-2.54_2x17 C124382
22 JUMPER-3PTH JP1 1X03 1
23 JUMPER-2 JP3 1X02 1
24 Header-Male-2.54_2x5 P5 HDR-5X2/2.54 1 LCSC 2*5pHeaders  Pins 2.54mm C124387
25 1u C13 0603 1
26 0603 R6,R7,R8,R9 0603-ARV 4
27 74LS07 U4 SOIC14N 1

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Comments (8)

Mostafa Davoudi Reply

Hi
Which firware must uploaded on this firware?and how must do it?
Does  stm32 has  bootloder itself

Mostafa Davoudi Reply

Hi
Excuse me for my  mistakes on words
Which firmware must upload on this hardware?and how must do it?
Does  stm32 has  bootloder itself

sundbyk Reply

@mrdavoudi
Hi,


You upload the software the same way you do with Gotek drive.
https://cortexamigafloppydrive.wordpress.com/
https://github.com/keirf/FlashFloppy/wiki/Firmware-Programming

Cameraman Reply

What value are the resistor packs used, it doesn't say so on the schematics.... Also what value is 1n1000v capacitor?

sundbyk Reply

Hi,
The resistors are 1K.
The C7 is 1nF 1000V. It will remove any static dischanges when inserting into the USB port.

Cameraman Reply

@sundbyk Thanks for the clarification, I have one more question, all the Rotary Encoders I see need 5v, however the pinheader on your board delivers 3.3v, would it not be better to route that pin to the 5 v instead of 3.3v?

sundbyk Reply

Hi,


The rotary encoder does only have pullup resistors.
It is only used for to pull the signal high for the MCU with uses 3V3.
Ref:
https://github.com/keirf/FlashFloppy/wiki/Hardware-Mods#rotary-encoder

Mostafa Davoudi Reply

Hi
I build the board.
The microcontroller and ls07 get too hot when I connect it to usb and before it burn i diconnect from usb
Do yourself build and test the board?
The original gotek have 6 nfet transistor that you remove .

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