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1. devphys devphys Public

   Open-source TCAD for SkyWater Sky130 calibrated against measured silicon from 300 K to 77 K - drift-diffusion, dopant freeze-out, cryogenic SS saturation quantified, OpenVAF/ngspice compact-model loop

   Python 4 2

2. koti koti Public

   A home computer built from the CPU up: an RV32IMA core with an sv32 MMU running mainline Linux 6.12 on a ULX3S 85F FPGA — 32 MB SDRAM, microSD, HDMI console, USB keyboard, networking, and it boots …

   SystemVerilog 1

3. cartridge_pmod cartridge_pmod Public

   QSPI flash + PSRAM + audio cartridge Pmod for TinyTapeout — a drop-in remix of the stock QSPI Pmod with sigma-delta audio (RC filter + amp + jack) on the CS2 pin. KiCad, JLC-assemblable

   Python 1

4. ulx3s-cover ulx3s-cover Public

   A laser-cut plexiglass cover for the ULX3S FPGA board — none is sold, so this generates one: two 3 mm clear acrylic plates on M3 nylon standoffs, J1/J2 left completely open, DXF and SVG cut files d…

   Python 1

5. RISC-V_CPU RISC-V_CPU Public

   Python

6. CORDIC CORDIC Public

   A 16-iteration CORDIC sine generator on one TinyTapeout tile, fabricated on the TTSKY26c shuttle. Engine verified exhaustively over all 65536 angles. Also the control group for the vertical-slice e…

   Python