.. zephyr:board:: reterminal_e1002

Overview

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Seeed Studio reTerminal E1002 is a board with a 7.3 inch full color ePaper display with a built-in battery based on the Espressif ESP32-S3R8 WiFi/Bluetooth dual-mode chip.

For more details see the Seeed Studio reTerminal E1002 wiki_ page.

Hardware

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Board Features

The board includes the following features:

• 32MB of flash
• 8MB of PSRAM
• 800×480 e-ink Spectra 6 (E6) full-color (6 colors) display
• Micro SD slot
• 2000 mAh built-in battery
• Temperature sensor
• RTC
• 3x buttons
• Buzzer

For more details about the board, see the reTerminal E1002 board schematics_.

For more details about the display, see:

• GDEP073E01 Good Display product page_ (with specification and sample code)
• 7.3inch Spectra 6 display Waveshare wiki_ (with guides and sample code)
• Patrick Siegl E-Ink_Spectra_E6 repository_ (with img2epdbmp tool to convert images into screen-compatible images)

.. include:: ../../../espressif/common/soc-esp32s3-features.rst :start-after: espressif-soc-esp32s3-features

Supported Features

.. zephyr:board-supported-hw::

Connections and IOs

The board uses a 8-pin expansion header with the following pin mapping:

.. list-table:: Expansion header :header-rows: 1

• • Pin
  • Label
  • ESP32-S3 Pin
  • Function
  • Description
• • 1
  • HEADER_3V3
  • N/A
  • Power
  • 3.3V power supply for external devices
• • 2
  • GND
  • N/A
  • Ground
  • Common ground reference
• • 3
  • ESP_IO46
  • GPIO46
  • GPIO/ADC
  • General purpose I/O with analog input capability
• • 4
  • ESP_IO2/ADC1_CH4
  • GPIO2
  • GPIO/ADC
  • General purpose I/O with analog input capability
• • 5
  • ESP_IO17/TX1
  • GPIO17
  • GPIO/UART TX
  • GPIO or UART transmit (TX) signal
• • 6
  • ESP_IO18/RX1
  • GPIO18
  • GPIO/UART RX
  • GPIO or UART receive (RX) signal
• • 7
  • ESP_IO20/I2C0_SCL
  • GPIO20
  • GPIO/I2C SCL
  • GPIO or I2C clock signal
• • 8
  • ESP_IO19/I2C0_SDA
  • GPIO19
  • GPIO/I2C SDA
  • GPIO or I2C data signal

System Requirements

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.. include:: ../../../espressif/common/system-requirements.rst :start-after: espressif-system-requirements

Programming and Debugging

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.. zephyr:board-supported-runners::

.. include:: ../../../espressif/common/building-flashing.rst :start-after: espressif-building-flashing

Backup the original firmware

The following command can be used to backup the original firmware:

.. code-block:: shell

esptool -c esp32s3 -p /dev/ttyUSB0 read-flash 0x0 0x2000000 fw-backup-32MB.bin

Debugging

.. include:: ../../../espressif/common/openocd-debugging.rst :start-after: espressif-openocd-debugging

References

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.. target-notes::

.. _Seeed Studio reTerminal E1002 wiki: https://wiki.seeedstudio.com/getting_started_with_reterminal_e1002/

.. _reTerminal E1002 board schematics: https://files.seeedstudio.com/wiki/reterminal_e10xx/res/202004321_reTerminal_E1002_V1.0_SCH_250805.pdf

.. _GDEP073E01 Good Display product page: https://www.good-display.com/blank7.html?productId=533

.. _7.3inch Spectra 6 display Waveshare wiki: https://www.waveshare.com/wiki/7.3inch_e-Paper_HAT_(E)

.. _Patrick Siegl E-Ink_Spectra_E6 repository: https://codeberg.org/psiegl/E-Ink_Spectra_E6