HuskyLens Extension for SAM Scratch

This extension enables you to use the DFRobot HuskyLens AI camera in your projects via a micro:bit running custom firmware.

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Quick Start

1. Flash the Micro:bit Firmware

• Download the latest .hex file:
  • 👉 Download micro:bit firmware (binary.hex)
• To program your micro:bit:
  1. Connect via USB.
  2. Drag the .hex file into the MICROBIT drive that appears.
  3. Wait for the LEDs to finish the flashing animation.

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2. Wire the HuskyLens to Micro:bit (via I²C)

HuskyLens	micro:bit Pin
SDA	Pin 20 (SDA)
SCL	Pin 19 (SCL)
VCC	3.3 V
GND	GND

Important: Both the HuskyLens and the micro:bit must share the same voltage level (3.3 V).

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3. Use the Extension in SAM Scratch

1. Open SAM Scratch.
2. In the Extensions panel, add the “HuskyLens” extension, it should automatically add the microbit more extension.
3. Connect your micro:bit with the microbit more extension.
4. Use the blocks to interact with the camera.

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Why It Works

• The micro:bit acts as a bridge: It runs the custom firmware you flashed to translate Scratch blocks into I²C commands for the HuskyLens.
• Both the firmware and correct wiring are mandatory for the extension to function.

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🛠 Troubleshooting

• Micro:bit not listed? Try reconnecting or restarting Scratch – your board should appear as a device.
• HuskyLens not responding?
  • Recheck SDA/SCL and power connections.
  • Ensure the firmware finished flashing properly.
  • Make sure the HuskyLens is powered on after connecting to the micro:bit.