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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a648ca17fc
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schematics: more descriptive wiring for v1.7->v1.8 ESP32 upgrade
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7 years ago |
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davor
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33440ee3fa
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schematics, readme: swap SD_CLK and SD_D2 pins,
now SD_CLK is connected to clock capable FPGA pin
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7 years ago |
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davor
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b99ce33251
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schematics and PCB: swap WIFI GPIO5 GPIO17
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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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3a565010f3
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schematics: WIFI_GPIO5 connected to previous WIFI_GPIO15 on "usb" sheet
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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
|
7 years ago |
|
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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6b50f65544
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footprints: FPGA renaming Quad SPI lines D2,D3
schematics: reference FPGA footprint directly (not from rescue file)
|
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.
|
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
|
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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Emard
|
6cc027aed0
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schematics: update inductor PN, swap L2 <-> L3
|
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 |
|
davor
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3336b63a5b
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small schematics notes about WiFi
|
7 years ago |
|
Emard
|
52814d6ae0
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WIFI LED (blue) on schematics
|
7 years ago |
|
Emard
|
4a35c95132
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GPDI CEC add protection resistor R61 470 ohm
|
7 years ago |
|
Emard
|
a5a51a8f28
|
connected missing SD card pins to esp-32
|
7 years ago |
|
Emard
|
cca17d282d
|
open-close to check that everything loads fine
|
7 years ago |
|
Emard
|
35b3a8b3dd
|
changing to 45F which is production device now
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
|
7 years ago |
|
davor
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6d74bb29fc
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PCB v1.7 fix wrong audio jack connection
|
7 years ago |
|
davor
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1ffed1dea1
|
comment at "usb" sheet about reasons for the JTAG pinout
different than ULX2s
|
7 years ago |
|
Emard
|
ba4c8e8d22
|
PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
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1ea88bda53
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Adding pins to schematic symbols for all chips in unit "H" (SERDES)
Non-serdes chips need GND connection on unit "H".
"power" sheet now connects GND's at unit "H".
|
7 years ago |
|
davor
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e4fc99887e
|
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
|
R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
|
7 years ago |
|
davor
|
1cdad1e4d0
|
all diodes SOD-323 and SOD-323F packages changed to handsoldering
(bigger pads, more reworkable)
silkscreen moving references GPDI1 and SW1 for readability
|
7 years ago |
|
davor
|
bc4b88ee58
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Micro SD: using SCHD3A0100
|
7 years ago |
|
davor
|
f3d84dbfdc
|
LED D19 was oriented wrong, now correct
|
7 years ago |
|
Emard
|
f8b5dc97eb
|
update SD card power supply and gerbers
|
7 years ago |
|
Emard
|
bab7ee607e
|
placeholder for 1.5k pullup for usb 1.0
|
7 years ago |
|
Emard
|
9cc436ce8c
|
Additional VCC 2.2uF blocking capacitors near the switching
power supply to form PI-filter with another 2.2uF near BGA
|
7 years ago |
|
Emard
|
91ac1cc478
|
D8,D9,D51,D52: SMA package 2A low drop low profile
|
7 years ago |
|
davor
|
68a23c127c
|
set package SOD323 to all small diodes
|
7 years ago |
|
davor
|
eaf4c2402a
|
Fab layer, moving values to avoid overlap writings
GPDI footprint edited to remove some unneeded lines
Gerbers update
|
7 years ago |
|
davor
|
f120d212d9
|
433 MHz onboard antenna (need to uncover copper infill layers)
|
7 years ago |
|
davor
|
9f6eae914c
|
connecting almost all free pins from ESP32 to FPGA
(only 4 left unconnected)
|
7 years ago |
|
davor
|
600c4478fd
|
esp32: avoid connection to NC pin for JTAG_TDO
|
7 years ago |
|
davor
|
0229a768ad
|
FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
|
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
|
5f589c33f4
|
USB directly to FPGA for possible USB1.1 core
|
8 years ago |
|
davor
|
236f63488a
|
DIP SWITCH routed
|
8 years ago |
|
davor
|
2153a220a0
|
schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
|
8 years ago |
|
Emard
|
be09416928
|
Add 27 ohm resistors in series with FTDI USB and readme update
|
8 years ago |
|
davor
|
81b3ea5da0
|
adding minimal set of 3 2.2uF capacitor for 1.2V, 2.5V and 3.3V
|
8 years ago |
|
Emard
|
ee7d266543
|
Resistors for LEDs
|
8 years ago |
|
Emard
|
18aef04f2c
|
JTAG header
|
8 years ago |
|
Emard
|
238ad770ce
|
moving USB LEDs on TOP layer
|
8 years ago |
