Compact Gowin GW2AR board with HDMI, audio amplifier, TF card slot, SDRAM, and onboard debugger.
GW2AR-LV18QN88C8/I7open toolchain28.17 USDeducationvideoaudiorisc-v
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Enter board slugs separated by commas, for example: sipeed/tang-nano-20k,icebreaker/icebreaker.
Larger Gowin Tang board for projects that need substantially more logic than Tang Nano and Primer boards.
GW5AST-LV138FPG676Aprice unknownvideonetworkingdsprisc-v
| Field | Tang Nano 20K | Tang Mega 138K |
|---|---|---|
| Chip | GW2AR-LV18QN88C8/I7 | GW5AST-LV138FPG676A |
| Family | GW2A/GW2AR | GW5A |
| Device type | FPGA | FPGA |
| Price | 28.17 USD | unknown |
| Toolchains | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Gowin EDA |
| Open toolchain | yes | no |
| Interfaces | HDMI, MAX98357A I2S amplifier path, TF card slot, USB Type-C, Onboard BL616 JTAG, USB UART | not verified |
| Memory | 32-bit SDR SDRAM 64 Mbit, Onboard flash 64 Mbit | not verified |
| Documentation | 78 | 45 |
| Difficulty | beginner | professional |
| Openness score | 76 | 35 |
| Where to get help | Sipeed forum, r/GowinFPGA | Sipeed forum |
| Typical risks | Verify exact board revision before using pin labels, constraints, or power assumptions. Onboard debugger recognition Flash persistence mode | This entry intentionally avoids detailed connector claims until official board-revision documents are reviewed. |
| Better for | beginner learning | professional prototyping |