davor
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3996e140ef
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schematics: kicad 5 load and save
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7 years ago |
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davor
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7b88b3baf1
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schematics: v1.8 adding capacitor for 2.5/3.3V
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7 years ago |
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davor
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db50639a60
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schematics: 4 22nF capacitors for 2.5/3.3V and 3.3V near J1 and J2 connector
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7 years ago |
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davor
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ec8c012ebb
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schematics: jumper for selectable 2.5V/3.3V J1 voltage
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7 years ago |
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davor
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4ae602347e
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schematics: power decoupling capactor near OLED
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7 years ago |
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davor
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2f3cc59274
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schematics: adding mouser P/N
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7 years ago |
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davor
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b205d52f4f
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schematics: sprinkling 22nF decoupling capacitors under FPGA
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7 years ago |
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davor
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a04b74cc61
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schematics, footprints: micro usb cleanup
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7 years ago |
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davor
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6079a51257
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schematics: symbol for SDRAM copied from rescue to proper library
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7 years ago |
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davor
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965d04d7d5
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schematics: WIFI LED on GPIO5, route WIFI_GPIO5 and WIFI_GPIO17 to FPGA
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7 years ago |
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davor
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c1053dd7bd
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schematics: cleanup of MFG_PN to simplify BOM
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7 years ago |
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davor
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7caf7a4f5f
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schematics: v1.7.9 SD card hopfully connected properly to ESP32 SD_MMC
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7 years ago |
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davor
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804ac1c309
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schematics: Add some PN's for the BOM
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7 years ago |
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davor
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32786d55d0
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schematics: LED resistors R41-48 changed footprint 0603 non-handsoldering
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7 years ago |
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davor
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338b8dda3d
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schematics: 4-color LED: RED, ORANGE, GREEN, BLUE
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7 years ago |
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davor
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987aefa1fd
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schematics: routing FPGA to SPI QUAD.
BTN_R,U connected to BANK2,3 on "ram" sheet
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7 years ago |
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davor
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e81d05b68d
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schematics: renaming pins J..+- to GP,GN..
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7 years ago |
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davor
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5c44068917
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schematics: LED power saving for weak IO bank drivers, all resistors 1k.
Who needs more light he needs hi-efficiency LEDs.
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7 years ago |
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davor
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6228263ac6
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schematics: additional diode R23 to make shutdown more reliable
reduce hold resistor, use schottky for nSLEEP
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7 years ago |
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davor
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5065b98876
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schematics: change value LED resistors 330->470 ohm for power saving
|
7 years ago |
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davor
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006cac18f6
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schematics: comment TXLED blinks when ftdi_rx receives data
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7 years ago |
|
Emard
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4298d197d1
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schematics: small cleanup
|
7 years ago |
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davor
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b41c200d79
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schematics: cosmetics, hidign some button datasheet URL for schematics
|
7 years ago |
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davor
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f4d7692c91
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schematics: SD card symbol with 2 CD pins connected to GND
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7 years ago |
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davor
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c87e9f6c4c
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schematics: renumbering dipswitch pins to match writing on the
part, pins 1-4 from left to right
|
7 years ago |
|
Emard
|
3915779e0c
|
schematics: part numbers and URLs of datasheets and manufacturers
of most chips and connectors. Small parts not done yet.
|
7 years ago |
|
Emard
|
52814d6ae0
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WIFI LED (blue) on schematics
|
7 years ago |
|
davor
|
7cebd0afa5
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changing DAC resistors 100-820 ohm -> 150-1200 ohm
few 220 ohm resistors changed to 150 ohm to simplify BOM
|
7 years ago |
|
Emard
|
ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
|
7 years ago |
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davor
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af531b0fd5
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LED values renamed to RED and GREEN
|
7 years ago |
|
davor
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220f575442
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schematic "power" sheet and footprint cosmetics
|
7 years ago |
|
davor
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e4fc99887e
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moving GND and VCC on schematics symbols to
common locations for planned PCB which
supports upgrade path for example
12F->25F->45F->85F and if possible ECP5U->ECP5UM
|
7 years ago |
|
Emard
|
07de158d38
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R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
|
7 years ago |
|
Emard
|
35598e53fb
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FT231X workaround blues
|
7 years ago |
|
davor
|
f3d84dbfdc
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LED D19 was oriented wrong, now correct
|
7 years ago |
|
Emard
|
d0cf4eaeaf
|
DIP switch correct footprint
|
7 years ago |
|
Emard
|
bcf94bafab
|
buttons footprints correct now
|
7 years ago |
|
davor
|
fdf38ad9a1
|
DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
|
7 years ago |
|
davor
|
236f63488a
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DIP SWITCH routed
|
7 years ago |
|
davor
|
6d14ed8ff0
|
Placing DIP switch, but not yet connecting it to FPGA
|
7 years ago |
|
davor
|
32836831ae
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i2c of RTC connected to GPDI i2c
|
7 years ago |
|
davor
|
2153a220a0
|
schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
|
7 years ago |
|
Emard
|
be09416928
|
Add 27 ohm resistors in series with FTDI USB and readme update
|
8 years ago |
|
Emard
|
ee7d266543
|
Resistors for LEDs
|
8 years ago |
|
Emard
|
238ad770ce
|
moving USB LEDs on TOP layer
|
8 years ago |
|
davor
|
b7500cc477
|
increasing thickness of power traces, moving clock
to a bank which is always at 3.3V
|
8 years ago |
|
davor
|
2a60828a99
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schem. pullup 1.5k for USB 1.1 full speed mode
|
8 years ago |
|
davor
|
23b588ff16
|
Routing... 4 routes remaining
|
8 years ago |
|
davor
|
0f9d00f602
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Buffer capacitor for SDRAM
|
8 years ago |
|
davor
|
1f60f95a71
|
compatible OLED models: SSD1306 or SSD1331
|
8 years ago |
