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Buttons on EchoKit DIY

After assembling your EchoKit DIY device, let’s take a moment to get familiar with the common buttons and ports before moving on to the next chapter. You can have a full view of them in the image below.

K0 Button​

The K0 button (located on the left side of the device) is a multi-purpose control button. It is used when you want to

  • Toggle between listening and idle modes when the device is not speaking.

  • Interrupt the device and switch to listening mode, when the device is speaking.

You also need this button when you want to

RST Button​

The RST button (located on the left side of the ESP32 development board) is used to restart the device. As mentioned above, it could also be used with K0 to configure or flash the device.

USB Ports — Power and Firmware Flashing​

There are two USB ports on the ESP32 development board. The right-side port is the one you’ll typically use. You can use this USB port to

  • Power the device using a USB cable.
  • Flash new firmware onto the device. Learn more

Volume button -- Adjust the volume​

The volume buttons (located on the left side of the device) are used to adjust the volume of the device.

  • The top button increases the volume.
  • The bottom button lowers the volume.