# LuckFox Lyra

> Compact Linux SBC based on Rockchip RK3506G2 with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU, 128MB DDR3L, MIPI DSI display output (up to 1280x800), 24 Rockchip Matrix IO pins, and built-in audio/video codec.

## Quick Facts

- **Brand:** LuckFox
- **Board Type:** linux-sbc
- **Price:** ~$7.99
- **Product Readiness:** developer
- **CPU:** Rockchip RK3506
- **CPU Architecture:** ARM Cortex-A7 + Cortex-M0
- **CPU Cores:** 3+1
- **RAM:** 128MB DDR3L
- **Flash:** microSD (TF)
- **USB:** USB-C 2.0
- **Power:** 5V
- **Operating Voltage:** 3.3V
- **SD Card:** microSD

## Open Source

- **Firmware:** Yes
- **Schematics:** Yes
- **PCB Layout:** No

## Compatible Firmware

buildroot

## Use Cases

- hmi-panel
- embedded-linux

## Components

- **RK3506** (soc): Triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU with built-in audio/video codec — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.rock-chips.com%2Fuploads%2Fpdf%2F2024.8.9%2FRockchip%2520RK3506%2520Datasheet%2520V1.0-20240729.pdf&ref=openhardware.directory&product=luckfox-lyra&source=md-export)

## Protocols

- **UART**
- **SPI**
- **I2C**
- **PWM**
- **CAN**
- **MIPI DSI**
- **USB 2.0**

## Accessories

- mipi-dsi-display

## Available Software

- **[LuckFox Lyra SDK](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FLuckfoxTECH%2Fluckfox-pico&ref=openhardware.directory&product=luckfox-lyra&source=md-export)**: Official Buildroot SDK for LuckFox boards

## Description

# LuckFox Lyra

The LuckFox Lyra is a compact Linux development board built around the Rockchip RK3506G2 SoC, featuring a triple-core ARM Cortex-A7 processor at 1.2GHz alongside an ARM Cortex-M0 MCU co-processor. It is designed for display-centric and audio applications, with a MIPI DSI 2-lane interface supporting Raspberry Pi-compatible DSI screens up to 1280x800 @ 60fps.

## Key Features

- **Triple-core SoC**: RK3506G2 with 3x ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU
- **Display**: MIPI DSI 2-lane interface (1.5Gbps/lane, up to 1280x800 @ 60Hz)
- **Rockchip Matrix IO**: 24 pins supporting 98 multiplexed functions (PWM, UART, I2C, SPI, CAN)
- **Audio/Video**: Built-in audio and video codec with multiple I/O options
- **USB**: 2x USB OTG 2.0
- **Reserved**: RMII interface for 10/100M Ethernet expansion

## Variants

| Variant | Storage | Price |
|---------|---------|-------|
| Lyra | TF card slot only | $7.99 |
| Lyra B | 256MB SPI NAND Flash (W25N02KV) | $12.99 |

## Software Support

Runs Buildroot Linux with full SDK support. The Rockchip Matrix IO design allows flexible pin assignment for diverse peripheral configurations. Compatible with Raspberry Pi DSI displays.

## Where to Buy

- [Waveshare](https://openhardware.directory/r?to=https%3A%2F%2Fwww.waveshare.com%2Fproduct%2Fluckfox%2Fboards-modules%2Fluckfox-lyra.htm&ref=openhardware.directory&product=luckfox-lyra&source=md-export) — $7.99

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Fwww.waveshare.com%2Fproduct%2Fluckfox%2Fboards-modules%2Fluckfox-lyra.htm&ref=openhardware.directory&product=luckfox-lyra&source=md-export)
- [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FLuckfoxTECH%2Fluckfox-pico&ref=openhardware.directory&product=luckfox-lyra&source=md-export)
- [wiki](https://openhardware.directory/r?to=https%3A%2F%2Fwiki.luckfox.com%2FLuckfox-Lyra%2F&ref=openhardware.directory&product=luckfox-lyra&source=md-export)

## Tags

`linux`, `sbc`, `rockchip`, `rk3506`, `arm`, `cortex-a7`, `cortex-m0`, `mipi-dsi`, `display`, `audio-codec`, `matrix-io`, `multi-core`

## Images

![LuckFox Lyra](https://nbg1.your-objectstorage.com/openhardware-directory/entities/luckfox-lyra/f769094bcede.jpg)
![LuckFox Lyra](https://nbg1.your-objectstorage.com/openhardware-directory/entities/luckfox-lyra/100858c0a364.jpg)

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