Davor
|
3446afcc08
|
optimizing PCB component placement
and audio bit ordering
|
8 years ago |
|
Davor
|
19b884baef
|
using corrected schem symbol, reordering pins
|
8 years ago |
|
Davor
|
39dce76f0a
|
use new schem symbol
|
8 years ago |
|
Davor
|
2cda80c3a8
|
manually routed few tracks of GPIO
|
8 years ago |
|
Davor
|
8a53acb71a
|
cleaning GPDI routes and moving OLED back in place
|
8 years ago |
|
davor
|
70fb21781b
|
reorder GPDI differential pairs for almost straitforward routing
|
8 years ago |
|
davor
|
a8f1214b27
|
reorder SDRAM to FPGA connection for straightforward routing
|
8 years ago |
|
Davor
|
19c91e5c6b
|
differential pair track thickness and spacing
|
8 years ago |
|
Davor
|
632e5bd443
|
importing netlist with differential pairs named + -
|
8 years ago |
|
Davor
|
ec42a18d26
|
reordering RAM connections to use peripheral pins near SDRAM chip
|
8 years ago |
|
davor
|
53f11a6950
|
reducing track width to 0.19 mm to pass out of 2nd row of BGA
|
8 years ago |
|
Davor
|
961755fc98
|
manual routing BGA power
|
8 years ago |
|
Davor
|
af042dfef0
|
manually routing BGA power
|
8 years ago |
|
davor
|
a1d25d9d24
|
create copper fill layers
|
8 years ago |
|
davor
|
d6fd30e59c
|
jumper to disable wifi module
|
8 years ago |
|
davor
|
dd597e7b49
|
board production rules for oshpart
|
8 years ago |
|
davor
|
1c5b8a64a3
|
use new footprint for crystal oscillator
|
8 years ago |
|
davor
|
508318d712
|
PCB moving 3.5mm DAC resistors below 3.5m jack, side-by-side
|
8 years ago |
|
davor
|
e9825a4105
|
enlarging the board for 7x2.54 mm to fit triple protoboard
moving OLED into the center (but display turned upside down)
moving heavy parts GPDI and 3.5mm jack on top side
better rearranging the buttons
|
8 years ago |
|
davor
|
9570c1137b
|
small edits
|
8 years ago |
|
davor
|
c297a5294f
|
adding 25 MHz oscillator and moving some parts around
|
8 years ago |
|
Davor
|
12e89e677a
|
connecting wifi, usbserial, oled, sd card
|
8 years ago |
|
Davor
|
0ca9b4cb0e
|
notify possible extra width of the board 7x2.54 mm
that would fit into protoboard
|
8 years ago |
|
Davor
|
3e68526ccb
|
it acutally routed but schematic is still incomplete :)
After freeroute overnight run, DRC complained only for
tracks too close to holes or vias and that is easy to
manually fix
|
8 years ago |
|
Davor
|
ad0ae760b5
|
overnight run of freeroute routed much
but couldn't route it all
|
8 years ago |
|
Davor
|
a477fbd050
|
connecting flash config chip
|
8 years ago |
|
davor
|
a8c293805f
|
moving battery down,
partially routed
|
8 years ago |
|
davor
|
dc1ae11172
|
partially routed board using "freeroute" autorouter
|
8 years ago |
|
davor
|
e37f17e390
|
moving PCB components around
|
8 years ago |
|
davor
|
2dedab2d9a
|
moving 8-pin chip away from 3.5mm jack
|
8 years ago |
|
davor
|
9b02f3265d
|
compacting the board to hold 2.54mm headers, buttons moved
randomly just to fit
|
8 years ago |
|
davor
|
85cb0b3f93
|
Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
|
8 years ago |
|
davor
|
a7de1a4e58
|
power button
|
8 years ago |
|
davor
|
a60712b2f6
|
place renumbered schematic units of the fpga chip
|
8 years ago |
|
davor
|
c3889467a0
|
rename gpio pins same as BGA pin e.g. A9, C11, ...
|
8 years ago |
|
davor
|
4f3fabdb5f
|
oled updated on the schematic and PCB
|
8 years ago |
|
davor
|
b1062e5795
|
place oled symbol on pcb
|
8 years ago |
|
davor
|
6639abded3
|
add 4 mounting holes
|
8 years ago |
|
davor
|
b661cacede
|
Change to 2x20 pin headers, PCB layout currently sub-optimal
|
8 years ago |
|
davor
|
f7185a0ff7
|
improving wifi SD and JTAG pinouts.
Unsure of JTAG (GPIO20 is NC on ESP-32S module?)
|
8 years ago |
|
davor
|
f9ba6fa20b
|
chage ESP8266-12E to ESP32S
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
|
8 years ago |
|
davor
|
a0dae5bb6a
|
another diode to duscharge C14 at shutdown
|
8 years ago |
|
Davor
|
cf01d5cc8d
|
Power: Replace discharge resistor which leaks with
a diode for discharge C at shutdown
HDMI pin 0 is now the shield and connected to GND
|
8 years ago |
|
Davor
|
8110cea7fa
|
moving DAC resistor network closer to 3.5mm jack
|
8 years ago |
|
davor
|
5d4ce79295
|
connecting BANK2 to PMOD connectors
|
8 years ago |
|
davor
|
dc6ea57d67
|
Label button pullup net "BTNPU"
|
8 years ago |
|
davor
|
23c4cde741
|
GPDI I2C 5V level shifter
|
8 years ago |
|
davor
|
7fd0f561fc
|
Add SPI flash chip
|
8 years ago |
|
davor
|
b6697c4012
|
Audio 3.5mm jack resistor network
|
8 years ago |
|
davor
|
499b223bda
|
small changes
|
8 years ago |
