reTerminal E1002 – 7.3″ Full-Colour ePaper Display (ESP32-S3)
Overview
The reTerminal E1002 is a 7.3″ open-source full-colour ePaper display powered by an ESP32-S3, designed for ultra-low-power dashboards and visual displays. It ships fully assembled with a built-in battery and enclosure, making it suitable for colourful smart home dashboards, digital frames, office displays, and development projects.
Out of the box, it runs SenseCraft HMI firmware for no-code dashboard creation, while also supporting ESPHome for Home Assistant, TRMNL dashboards, and custom development using Arduino or ESP-IDF.
Key Features
• 7.3″ E Ink® Spectra™ 6 full-colour ePaper display
• ESP32-S3 with PSRAM for responsive UI handling
• Ultra-low power design with up to 3-month battery life
• Pre-installed SenseCraft HMI firmware (no-code dashboards)
• Supports ESPHome for Home Assistant dashboards
• Compatible with TRMNL e-ink dashboards (license required)
• Wi-Fi and Bluetooth connectivity
• Built-in temperature and humidity sensors
• MicroSD card support for local storage
• Fully open-source hardware and software
• Enclosed, ready-to-deploy device with desk stand
Technical Specifications
Processor
ESP32-S3 with 8MB PSRAM
Storage
32MB Flash
MicroSD card support (up to 32GB, FAT32)
Display
7.3″ full-colour ePaper (E Ink® Spectra™ 6)
Resolution: 800 × 480
Wireless Connectivity
2.4GHz Wi-Fi (802.11 b/g/n)
Bluetooth 5.0
Sensors
Temperature sensor
Humidity sensor
Audio / Alerts
Buzzer for alerts
Microphone footprint reserved (not active by default)
Power
Battery: 2000mAh rechargeable
Input: USB-C, 5V / 1A
Operating Temperature
0°C to 40°C
Dimensions
176 × 120 × 53 mm (with stand)
17 mm thickness (without stand)
Software Support
• SenseCraft HMI (pre-installed, beta)
• ESPHome (Home Assistant dashboards)
• TRMNL e-ink dashboards (requires separate TRMNL license)
• Arduino / PlatformIO / ESP-IDF
Notes:
• SenseCraft HMI is currently in beta and subject to feature limits
• Re-flashing TRMNL firmware requires a separate license from TRMNL
Installation / Application Notes
• Designed for indoor use only
• Optimised for static dashboards and image-based displays
• Ideal for colourful dashboards, photo frames, and information panels
• Best battery life achieved with long refresh intervals (e.g. 6 hours)
• Suitable for Home Assistant dashboards, calendars, status panels, and retail signage
In the Box
• reTerminal E1002 ePaper Display ×1
• USB Type-C cable ×1
• Display stand with screw ×1
• Screwdriver ×1