V3sDevBoard

Educational project of first PCB desgin, SBC with linux built on allwinner V3s SoC.
Work in progress.
Phase 1 - Research and drawing schematics in kicad, 22-30dec
Phase 2 - PCB design, 28.01-05.02

SYSTEM SPECIFICATIONS

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CORE SYSTEM:

• CPU: Allwinner V3s (ARM Cortex-A7 @ 1.2GHz)
• RAM: 64MB DDR2 @ 400MHz (Integrated SiP)
• STORAGE: SD Interface for OS (SDIO compatible)

CONNECTIVITY:

• ETHERNET: 100Mbps Interface
• WIRELESS: WiFi & Bluetooth (via ESP32)
• LONG RANGE: LoRa support (via Ra-02)
• USB: USB Host/OTG support
• DEBUG: System UARTs to USB bridge

DISPLAY & IMAGING:

• CAMERA: MIPI CSI (22-pin connector)
• LCD: RGB-666 Interface with backlight support (40-pin)

SENSORS & I/O:

• MOTION: MPU6050 Accelerometer & Gyroscope
• ENVIRONMENT: BME280 Sensor (Temp/Press/Hum)
• AUDIO: 3.5mm Audio Jack
• INPUT: Low-resolution ADC for button matrix
• VISUAL: PCB RGB backlight

POWER & SOFTWARE:

• REGULATION: DC-DC converters for 3.3V, 1.8V, 1.2V
• OPERATING SYSTEM: Powered by custom Mainline Linux