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# ULX3S PCB # ULX3S PCB
ULX3S = University digital Logic Learning Xtensible
board release 3 with SDRAM, Successor of
[ULX2S](http://github.com/emard/ulx2s).
This is a small (94x51 mm) standalone FPGA board This is a small (94x51 mm) standalone FPGA board
for research and general purpose, with a full for education, research and general purpose, with a full
featured selection of chips which I all wanted on featured selection of chips which I all wanted on
a low-cost PCB, but haven't found on the market. a low-cost PCB, but haven't found on the market.
It's open source and open hardware because if it is It's open source and open hardware because if it is
good for my development on good for my development on
[F32C](http://github.com/f32c/f32c) SOC, [F32C](http://github.com/f32c/f32c) SOC,
it should be also good to other projects. it should be also good to other projects.
ULX3S = University digital logic Learning eXtensible ULX3S can do things no other board can.
board release 3 with SDRAM, Successor of
[ULX2S](http://github.com/emard/ulx2s).
It can do things no other board can. ULX3S can self-reflash with a bitstream sent
It can self-reflash with a bitstream sent
remotely from web interface over WiFi or from SD remotely from web interface over WiFi or from SD
card browsed by onboard OLED display and buttons. card browsed by onboard OLED display and buttons.
It can completely power down and wakeup from ULX3S can completely power down and wakeup from
battery backed RTC. battery backed RTC.
Normally it has rich range of chips and connectivity ULX3S has rich range of chips and connectivity
required for many other open source projects: required for many other open source projects:
SDRAM, USB, PS/2, SDCARD, HDMI, FLASH, RTC, I2C, OLED, AUDIO, ADC, SDRAM, USB, PS/2, SDCARD, HDMI, FLASH, RTC, I2C, OLED, AUDIO, ADC,
onboard FM/PSK antenna 88-433.92 MHz and 56 GPIO pins which onboard FM/PSK antenna 88-433.92 MHz and 56 GPIO pins which
are all routed as differential pairs and have pinout that are all routed as differential pairs and have pinout that
is PMOD compatible. is PMOD compatible.
ULX3S should carry all digital logic projects for our research
and education in next 5 years.
Schematics and PCB are done in open source KiCAD PCB editor: Schematics and PCB are done in open source KiCAD PCB editor:
kicad ulx3s.pro kicad ulx3s.pro

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