Small Gowin GW1NR board for low-cost learning, HDMI experiments, softcore demos, and open-source Gowin flow exploration.
GW1NR-LV9QN88PC6/I5open toolchain14.5 USDeducationvideorisc-vretro
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Enter board slugs separated by commas, for example: sipeed/tang-nano-20k,icebreaker/icebreaker.
Compact open-source Lattice ECP5 board commonly used with LiteX, USB and open-source ECP5 flows.
LFE5U-25F/85Fopen toolchainprice unknownrisc-vlinuxusbeducation
| Field | Tang Nano 9K | OrangeCrab |
|---|---|---|
| Chip | GW1NR-LV9QN88PC6/I5 | LFE5U-25F/85F |
| Family | GW1NR / LittleBee | ECP5 |
| Device type | FPGA | FPGA |
| Price | 14.5 USD | unknown |
| Toolchains | Gowin EDA, Yosys + nextpnr-gowin + Apicula | Yosys + nextpnr + Project Trellis |
| Open toolchain | yes | yes |
| Interfaces | HDMI, USB Type-C, Onboard JTAG, USB UART | USB, MicroSD |
| Memory | PSRAM 64 Mbit, Onboard flash 32 Mbit | DDR3 requires revision check |
| Documentation | 70 | 65 |
| Difficulty | beginner | intermediate |
| Openness score | 72 | 92 |
| Where to get help | r/GowinFPGA | OrangeCrab GitHub organization |
| Typical risks | Pinout and constraints must be taken from the exact board revision files, not inferred from this catalog entry. Open-source flow is feature-dependent | Feature set differs across OrangeCrab revisions; verify exact revision. |
| Better for | beginner learning | open-source flow |