Liu Yu

19 posts

Liu Yu

Liu Yu

@LiuYu7809

as a student

Hong Kong Katılım Mayıs 2026
27 Takip Edilen1 Takipçiler
Liu Yu
Liu Yu@LiuYu7809·
@awkwardgoogle Isn't this exactly how the Samsung S26 screen works?
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Interesting things
Interesting things@awkwardgoogle·
Packing thousands of straws together basically creates a low-tech pixel screen. Each straw acts as an independent light pathway, perfectly mimicking how data channels work.
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Matt Thompson
Matt Thompson@fuzziphy·
This thing showed up from eBay.. A decommissioned FPGA from alibaba. They have a Xilinx Ultrascale+ XCKU3P in them that the chip alone sells for $3k on DigiKey. 356k logic cells, 26Mbit block ram, 16x32.75Gbps transceivers, and 1368 DSPs. They have an x8 PCIe connector, two SFP+ cages, and a clearly marked JTAG header. And as @lauriewired pointed out, they are supported by the free version of Vivado
Matt Thompson tweet media
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Liu Yu
Liu Yu@LiuYu7809·
@AJovemVegana @fuzziphy I'm in China. These are eliminated from Alibaba servers. Most of those on eBay are also from the second-hand market in China, which are very cheap.
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babar
babar@AJovemVegana·
@fuzziphy Man, where can I find these in Europe? Would be fun to tinker with.
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Matt Thompson
Matt Thompson@fuzziphy·
Have some blinking LEDs in there
Matt Thompson tweet media
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Liu Yu
Liu Yu@LiuYu7809·
Is anyone interested in these things? Second-hand accelerator cards discarded by Alibaba, with chips from Xilinx. FPGA
Liu Yu tweet media
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Liu Yu
Liu Yu@LiuYu7809·
@AlicanKiraz0 How much did you pay to get an AMD Alveo U50 FPGA?
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Alican Kiraz
Alican Kiraz@AlicanKiraz0·
AMD Alveo U50 FPGA sistem için parçaları aldım, birazdan toplamaya başlıyorum 🔥🦾
Alican Kiraz tweet media
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Liu Yu
Liu Yu@LiuYu7809·
@technowizard369 I can help you find these inexpensive computing cards in the Chinese market.I can help you find these cheap computing cards in the Chinese market; we have many of these obsolete server devices here.
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Technowizard🇺🇸🇷🇺
Technowizard🇺🇸🇷🇺@technowizard369·
Everybody is crazy about CPU/GPU's but nobody is talking about FPGA, or even know what a Configurable Logic Block for Field-Programmable Gate Array chips is:
Technowizard🇺🇸🇷🇺 tweet media
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Liu Yu
Liu Yu@LiuYu7809·
@Vicharak_In Some people are interested in these things, but I have no idea how to use these acceleration cards.
Liu Yu tweet media
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Vicharak
Vicharak@Vicharak_In·
Most students start with tutorials. The ones who stand out build the tools that everyone else wishes they had. Shrike-Fi is not just another dev board. It’s a challenge: Can you build something most people think needs expensive hardware? Decode UART. Sniff CAN traffic. Analyze SPI in real time. Create your own custom protocols. All on an open-source ESP32 + FPGA platform. The next generation of hardware engineers won’t just use tools. They’ll build them. What will you create with Shrike-Fi? #ShrikeFi #FPGA #ESP32 #EmbeddedSystems #LogicAnalyzer #OpenSourceHardware #ElectronicsEngineering #StudentProjects #HardwareHacking #MakersGonnaMake #IoT #DigitalDesign #EngineeringStudents #ArduinoIDE #BuildInPublic #HardwareDeveloper #PCBDesign #Innovation #Vicharak #FutureEngineers
Vicharak tweet media
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Liu Yu
Liu Yu@LiuYu7809·
@technowizard369 I have several Alibaba calculation cards in my hand. I don't know much about them. Does anyone need them?
Liu Yu tweet media
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Beige
Beige@gobeige·
@lauriewired I created an extension board specifically to utilise the available io and to route it to two pmods - some modifications required.
Beige tweet media
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LaurieWired
LaurieWired@lauriewired·
The hardware in old Chinese cloud accelerator cards never fails to impress me. If you go on Chinese ebay (idlefish) you can get a Xilinix UltraScale FPGA for ~$50 USD. For perspective, the same raw chip is currently ~$2,100 on Mouser.
LaurieWired tweet mediaLaurieWired tweet mediaLaurieWired tweet media
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