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docs: add 15 Chinese SoC devkits to UniversalisDev
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Chinese RISC-V (7 boards):
- SpacemiT K1 (8-core, $20), Canaan K230 ($10), StarFive JH7110 ($55)
- Canaan K210 ($5), Bouffalo BL616 ($4), Sophgo SG2000 dual-arch ($10)
- StarFive SG2042 64-core server ($600)

Chinese AArch64 (6 boards):
- Allwinner H618 ($12), T527 8-core ($35), R528/T113 ($15)
- Rockchip RK3576 ($25), RK3566 ($15)
- Phytium D2000 8-core ARM ($200)

Chinese MCU (2 boards):
- WCH CH32V307 RISC-V STM32-replacement ($3)
- GigaDevice GD32VF103 RISC-V ($3)

Total devkit family: 28 boards covering Xtensa, ARM-M, ARM-A32, AArch64, RISC-V, x86_64, PPC-e200, PPC-e500, MIPS32, MIPS64, FPGA
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.aurelio/plans/2026-07-13_portugal-futurista-hardware-master-plan.md
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@ -270,17 +270,55 @@ A family of development kits at every scale — from tiny MCU dev boards to full
| **Debug** | SWD (2-pin) | RP2040 debug probe compatible |
| **Power** | USB-C + battery connector | Portable dev |
#### DevKit-3 (SBC — RISC-V, Allwinner D1)
#### DevKit-3 (SBC — RISC-V, Allwinner D1) + Chinese RISC-V Family
| Component | Choice | Why |
|-----------|--------|-----|
| **SoC** | Allwinner D1 | Single RISC-V C906 @1GHz, Mali-400, MIPI-DSI/CSI |
| **RAM** | 512MB DDR3 | Sufficient for Linux/UOS |
| **SoC** | Allwinner D1 | Single RISC-V C906 @1GHz, Mali-400 |
| **RAM** | 1–2GB DDR3 | Sufficient for Linux/UOS |
| **Storage** | microSD + 16MB SPI NOR | Boot + rootfs |
| **Display** | MIPI-DSI 4" or HDMI | Touch display option |
| **Networking** | Ethernet + WiFi (RTL8723DS) | Wired + wireless |
| **Display** | MIPI-DSI or HDMI | Display output |
| **Networking** | Ethernet + WiFi | Connectivity |
| **GPIO** | 40-pin header | RPi-compatible pinout |
| **Debug** | UART + JTAG | Standard debug |
| **Debug** | UART + JTAG/SWD | Standard debug |
**Why RISC-V (Allwinner D1):** Pioneer RISC-V SoC, mainline Linux support, 40-pin RPi-compatible header. The original "Raspberry Pi of RISC-V." Same C906 core as many Chinese RISC-V chips.
##### Chinese RISC-V DevKit Family
| DevKit | SoC | Cores | Freq | RAM | BOM | Board Reference |
|--------|-----|-------|------|-----|-----|-----------------|
| CN-1 | SpacemiT K1 | 8× RISC-V | 2.0GHz | 4GB | ~$20 | Milk-V Duo S |
| CN-2 | Canaan K230 | 2× RISC-V | 1.6GHz | 256MB | ~$10 | Sipeed LicheeRV Nano |
| CN-5 | StarFive JH7110 | 4× S7 | 1.5GHz | 8GB | ~$55 | Star64 / VisionFive2 |
| CN-8 | Canaan K210 | 2× RISC-V | 400MHz | 8MB SRAM | ~$5 | Sipeed Maix Bit |
| CN-9 | Bouffalo BL616 | 1× RISC-V | 320MHz | 512KB | ~$4 | Sipeed M1s |
| CN-13 | Sophgo SG2000 | 1× C906 + 1× A53 | 1GHz | 512MB | ~$10 | Milk-V Duo |
| CN-15 | StarFive SG2042 | 64× S7 | 2.0GHz | DDR5 | ~$600 | Milk-V Pioneer |
**Why Chinese RISC-V:** Most active RISC-V SoC ecosystems. SpacemiT K1 = 8-core RISC-V at $20 (cheapest multi-core). StarFive = de facto RISC-V dev standard. Canaan = edge AI leader. Bouffalo = WiFi+BLE RISC-V for IoT. Sophgo SG2000 = RISC-V + AArch64 dual-arch. SG2042 = first 64-core RISC-V server.
##### Chinese AArch64 DevKit Family
| DevKit | SoC | Cores | Freq | RAM | BOM | Board Reference |
|--------|-----|-------|------|-----|-----|-----------------|
| CN-3 | Allwinner H618 | 4× A53 | 1.5GHz | 2GB | ~$12 | Orange Pi Zero 3 |
| CN-4 | Allwinner T527 | 8× A55 | 1.8GHz | 4GB | ~$35 | Orange Pi 5 Plus |
| CN-6 | Rockchip RK3576 | 4× A72 | 2.2GHz | 4GB | ~$25 | Orange Pi 4 Plus |
| CN-7 | Rockchip RK3566 | 4× A55 | 1.8GHz | 2GB | ~$15 | Pine64 Quartz64 |
| CN-12 | Allwinner R528/T113 | 2× A7 | 1.5GHz | 1GB | ~$15 | LicheePi 2W |
| CN-14 | Phytium D2000 | 8× A75 | 2.0GHz | 16GB | ~$200 | Phytium D2000 Dev Board |
**Why Chinese AArch64:** Allwinner and Rockchip dominate cheap ARM SBCs. H618 = cheapest AArch64 SBC ($12). RK3576 = new mid-range king. T527 = 8-core A55 for $35. Phytium = China's homegrown ARM (like Apple Silicon for China) — full open SDK, used in Chinese government PCs.
##### Chinese MCU DevKit Family
| DevKit | SoC | Arch | Freq | Flash/RAM | BOM | Board Reference |
|--------|-----|------|------|-----------|-----|-----------------|
| CN-10 | WCH CH32V307 | RISC-V (RV32IMACF) | 144MHz | 256KB/64KB | ~$3 | CH32V307-EVT |
| CN-11 | GigaDevice GD32VF103 | RISC-V (RV32IMACF) | 108MHz | 128KB/32KB | ~$3 | GD32VF103-START |
**Why Chinese MCUs:** WCH CH32V = RISC-V STM32 replacement — pin-compatible, same SDK style, $3. GigaDevice GD32V = Chinese ARM MCU maker going RISC-V. Both are drop-in replacements for STM32 in many designs.
#### DevKit-4 (SoM + Carrier Board)
@ -634,7 +672,7 @@ Source Code → Mycelium → BSP Config → UOS Kernel Build → Firmware Image
| Category | Items | Est. Cost |
|----------|-------|-----------|
| **Dev boards** | ESP32-S3×10, Allwinner D1×5, RK3588×3, PolarFire×2, Intel N100×3, NXP T2081×2, AM3358×5, STM32H7×5, MPC5748G×2, JZ4780×3, Loongson×2 | €4,000 |
| **Dev boards** | ESP32-S3×10, Allwinner D1×5, RK3588×3, PolarFire×2, Intel N100×3, NXP T2081×2, AM3358×5, STM32H7×5, MPC5748G×2, JZ4780×3, Loongson×2, CN boards×20 (Milk-V, Orange Pi, Sipeed, StarFive, Bouffalo, WCH, GigaDevice) | €5,000 |
| **Components** | Displays, buttons, audio, power, enclosures, connectors | €3,500 |
| **PCB fabrication** | JLCPCB/PCBWay × 13 designs × 2 iterations | €4,000 |
| **Test equipment** | CAN bus analyzer, power supply, thermal camera | €1,500 |