- The Himax image sensor.
- The PMOD-I2C USB firmware configuration board.
- The PMOD-UART USB adapter.
- 2 AAA batteries
- Enclosure.

Synaptics Katana board with the UART and firmware configuration extension PMOD boards.
Installing dependencies
To set this device up in Edge Impulse, you will need to install the following software:- Edge Impulse CLI.
- On Linux:
- GNU Screen: install for example via
sudo apt install screen
.
- GNU Screen: install for example via
Connecting to Edge Impulse
1. Connect the development board to your computer
In order to update the firmware, it is necessary to use the PMOD-I2C USB firmware configuration board. The PMOD-I2C board is connected to the Katana board on the north right PMOD-I2C interface (as shown in the image at the top of this page), then you need to use a USB C cable to connect the firmware configuration board to the host PC. In addition to the PMOD-I2C configuration board. You need to connect the PMOD-UART extension to the Katana board which is located on the left side of the board. Then you need to use a Micro-USB cable to connect the board to your computer.2. Update the firmware
The board is shipped originally with a sound detection firmware by default. You can upload new firmware to the flash memory by following these instructions:- Download the latest Edge Impulse firmware, and unzip the file.
- Verify that you have correctly connected the firmware configuration board.
- Run the flash script for your operating system (
flash_windows.bat
,flash_mac.command
orflash_linux.sh
) to flash the firmware. - Wait until flashing is complete.
3. Setting keys
From a command prompt or terminal, run:--clean
.
Alternatively, recent versions of Google Chrome and Microsoft Edge can collect data directly from your development board, without the need for the Edge Impulse CLI. See this blog post for more information.
4. Verifying that the device is connected
That’s all! Your device is now connected to Edge Impulse. To verify this, go to your Edge Impulse project, and click Devices. The device will be listed here.
Device connected to Edge Impulse Studio.