# LuckFox Lyra Plus

> Compact Linux SBC based on Rockchip RK3506G2 with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0, 128MB DDR3L, 256MB NAND Flash, 100M Ethernet, MIPI DSI display output, 24 Rockchip Matrix IO pins, and built-in audio/video codec.

## Quick Facts

- **Brand:** LuckFox
- **Board Type:** linux-sbc
- **Price:** ~$22.99
- **Product Readiness:** developer
- **CPU:** Rockchip RK3506
- **CPU Architecture:** ARM Cortex-A7 + Cortex-M0
- **CPU Cores:** 3+1
- **RAM:** 128MB DDR3L
- **Flash:** 256MB SPI NAND
- **USB:** USB-C 2.0
- **Power:** 5V
- **Operating Voltage:** 3.3V
- **SD Card:** microSD

## Connectivity

- **Ethernet:** 10/100 Mbps

## 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-plus&source=md-export)
- **CH182H2** (ethernet-phy): 10/100M Ethernet PHY chip — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.wch-ic.com%2Fproducts%2FCH182.html&ref=openhardware.directory&product=luckfox-lyra-plus&source=md-export)
- **W25N02KV** (flash): 256MB SLC NAND Flash for boot image and rootfs storage — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.winbond.com%2Fhq%2Fproduct%2Fcode-storage-flash-memory%2Fserial-nand-flash%2F%3F__locale%3Den%26partNo%3DW25N02KV&ref=openhardware.directory&product=luckfox-lyra-plus&source=md-export)

## Protocols

- **UART**
- **SPI**
- **I2C**
- **PWM**
- **CAN**
- **ADC**
- **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-plus&source=md-export)**: Official Buildroot SDK for LuckFox boards

## Description

# LuckFox Lyra Plus

The LuckFox Lyra Plus adds Ethernet connectivity and onboard flash storage to the base Lyra. Based on the Rockchip RK3506G2, it features a triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU, 128MB DDR3L, 256MB SPI NAND Flash, 10/100M Ethernet, and MIPI DSI display output.

## Key Features

- **RK3506G2 SoC**: 3x ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU
- **Memory**: 128MB DDR3L + 256MB SPI NAND Flash (W25N02KV)
- **Ethernet**: 10/100M RJ45 port (CH182H2 PHY)
- **Display**: MIPI DSI 2-lane (up to 1280x800 @ 60Hz), RPi DSI-compatible
- **USB**: 2x USB OTG 2.0 (Type-C + MX1.25 4P)
- **GPIO**: 24 Rockchip Matrix IO pins (98 multiplexed functions: PWM, UART, I2C, SPI, CAN)
- **Audio/Video**: Built-in audio and video codec
- **RTC**: Battery connector support
- **Storage**: TF card slot for additional storage

## Lyra Plus vs Lyra

The Plus adds:
- 10/100M Ethernet RJ45 port
- 256MB onboard SPI NAND Flash (W25N02KV)
- RTC battery connector

## Software Support

Runs Buildroot Linux with full SDK support. Compatible with Raspberry Pi DSI displays and LVGL-based HMI applications.

## Where to Buy

- [Waveshare](https://openhardware.directory/r?to=https%3A%2F%2Fwww.waveshare.com%2Fproduct%2Fluckfox%2Fboards-modules%2Fluckfox-lyra-plus.htm&ref=openhardware.directory&product=luckfox-lyra-plus&source=md-export) — $22.99

## Resources

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

## Tags

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

## Images

![LuckFox Lyra Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/luckfox-lyra-plus/eff08b25c7f3.jpg)
![LuckFox Lyra Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/luckfox-lyra-plus/87d434b681ba.jpg)

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