davor
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0d71e508ae
|
analog: audio ring2 resistor DAC network connected to FPGA
copper infill is getting thin, so minimal-thickness traces
are used 0.127 mm
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7 years ago |
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davor
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6d74bb29fc
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PCB v1.7 fix wrong audio jack connection
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7 years ago |
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davor
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1ffed1dea1
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comment at "usb" sheet about reasons for the JTAG pinout
different than ULX2s
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7 years ago |
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Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
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7 years ago |
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davor
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10df092413
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using modified ECP5 footprint
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7 years ago |
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davor
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fdf38ad9a1
|
DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
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7 years ago |
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davor
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2153a220a0
|
schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
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7 years ago |
|
Emard
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475be947ba
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updating schematics PDF
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8 years ago |
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davor
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9d6f8bf493
|
improving SD card power supply and replacing with
suitable schematic symbol for micro SD card (was normal SD card)
|
8 years ago |
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davor
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1f60f95a71
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compatible OLED models: SSD1306 or SSD1331
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8 years ago |
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davor
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85cb0b3f93
|
Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
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8 years ago |
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davor
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4f3fabdb5f
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oled updated on the schematic and PCB
|
8 years ago |
|
davor
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f9ba6fa20b
|
chage ESP8266-12E to ESP32S
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
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8 years ago |
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Davor
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24e8015ff0
|
move usb to "usbserial" sheet and add ft2232 footprint
move sdram to "ram" sheet
create "wifi" sheet
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8 years ago |
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Davor
|
59dde3ae13
|
add DC-DC converter to power sheet
|
8 years ago |
|
Davor
|
25672b71ff
|
updating pins for BANK1 (still incomplete)
|
8 years ago |
|
Davor
|
c52fe53c1e
|
Departing from RPI-0 size to a 56x106 mm board
|
8 years ago |
|
davor
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3f8b5009a9
|
Uploading initial kicad project for ULX3S
|
9 years ago |
