ES_R DevKit 2 Operation ManualAcademic

This manual explains how to use "ES_R DevKit 2," an application for acquiring, visualizing, and recording data from JINS MEME ES_R devices.

Note: This app (ES_R DevKit 2) requires version 3 or later. If you are using version 2 or earlier, see the old version.

Downloading the Software

• Please download from here.
  • Android 12 or later, devices with BLE4.2 or later
  • Be sure to download version 3 or later.

Installation

1. Open the downloaded apk file (if installation of apps from an unknown source is not allowed, please allow it).
2. Tap Install when the dialog box appears.
3. Tap Open after installation is complete.
4. Tap Only when using apps when the location grant dialog is displayed.
5. Tap Allow when the dialog for authorization of file access in the device is displayed.
6. Startup is complete.

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1. Connection Settings (Standard BLE Connection)

When you launch the app, the screen for configuring the connection with the device is displayed.

Steps

1. Tap the Scan device button to search for nearby JINS MEME devices.
2. Select the target device from the dropdown list on the right.
3. Tap the Connect button to start the connection.
4. Once the connection is successful, the status changes to "Connected," and the device's firmware version is displayed.

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2. Device Settings

Tap the gear icon (Settings) in the upper right to configure detailed measurement settings.

• Initialize: Resets various internal parameters of the device to their default values.
• Select mode: Choose the type of data to be acquired (Standard, Full, Quaternion).
• Transmission speed: Sets the sampling rate.
• Accelerometer range: Sets the measurement range of the accelerometer.
• Gyroscope range: Sets the measurement range of the gyroscope.
• Reconnect and restart...: Enables automatic reconnection when the BLE connection is lost.

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3. Measurement and Graph Display

Once the connection with the device is complete, operate the app from the "Measure" section at the bottom of the screen.

Starting and Stopping Measurement

• Start Measurement: Long-press the button (until the bar reaches the right edge) to start measurement and recording.
• Stop Measurement: Long-press the button during measurement to stop recording.
• Free Marking: Tap this button during measurement to add a marker to the data at that specific moment.

Data Visualization

During measurement, EOG (electrooculography), acceleration, and gyroscope data are displayed in real-time graphs. Each graph can also be minimized by tapping the "−" button in its upper right corner.

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4. Data Storage

When measurement is stopped, the data is saved in CSV format.

Storage Location

Inside the Download / ESR Logger folder of the device's internal storage.

File Name Format

[DeviceAddress]_[DateTime].csv

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5. Playback Mode

A mode for selecting previously saved CSV data and reproducing (replaying) the measurement state within the app. Use this when the device is not on hand, or to review acquired data.

Steps

1. Tap the playback icon (▶︎) in the upper right of the screen.
2. The file selection screen opens; select the CSV file you want to play back.
3. The connection status becomes "Connected(ver.CAFE-...)", simulating a connected state.
4. Start Measurement: Long-press the button (until the bar reaches the right edge) to start playback.