Luckfox Lyra / Lyra B
1. Overview
Luckfox Lyra and Luckfox Lyra B are compact development boards powered by the Rockchip RK3506G2. The processor integrates three Cortex-A7 cores and one Cortex-M0 core, together with 128 MB of DDR3 memory. Both models provide MIPI DSI, USB, and RM_IO interfaces and support the Buildroot system. The main difference between the two models is the default storage medium.

2. Specifications
| Item | Luckfox Lyra | Luckfox Lyra B |
|---|---|---|
| Chip | RK3506G2 | RK3506G2 |
| Processor | 3 × Cortex-A7 + 1 × Cortex-M0 | 3 × Cortex-A7 + 1 × Cortex-M0 |
| Memory | 128 MB DDR3 | 128 MB DDR3 |
| Wireless | None | None |
| Display | 2-lane, 22-pin MIPI DSI, up to 1280 × 800 @ 60 fps | 2-lane, 22-pin MIPI DSI, up to 1280 × 800 @ 60 fps |
| USB | 2 × USB 2.0 OTG | 2 × USB 2.0 OTG |
| IO | 24 × RM_IO | 24 × RM_IO |
| Ethernet | None | None |
| Default storage | TF card | 256 MB SPI NAND flash |