SPECIFICATIONS Brand Name: seeed studio DIY Supplies: Electrical Electronic: Yes High-concerned chemical: None Premium 7.3" & 7.5" ePaper Smart Displays & DIY Kits Welcome to our multi-option ePaper display lineup. Whether you are looking for a fully assembled, ready-to-use smart home dashboard in a sleek metal enclosure, an elegant 3D-printed desktop assistant, or an open-source DIY kit to build your own custom e-ink solution, this selection has you covered. All four variants feature an ultra-low-power design equipped with a 2000mAh battery that can run for up to 3 months on a single charge in deep sleep mode (6-hour refresh interval). They seamlessly integrate into popular ecosystems like Home Assistant (via ESPHome), TRMNL no-code dashboards, and Arduino/ESP-IDF environments. Select the individual version below that best matches your setup. Choose Your Version 1. reTerminal E1001 (7.5" Monochrome Display) A fully assembled, out-of-the-box Human Machine Interface (HMI) encased in a premium metal housing with an attached stand. Display: 7.5-inch crisp monochrome e-ink screen . Core Power: Driven by an ESP32-S3 processor with 8MB PSRAM and 32MB Flash. Onboard Features: Built-in temperature and humidity sensors, a buzzer for audio alerts, an expansion interface (UART & I2C), and a microphone reserved for voice applications. Native Platform: Natively supports the SenseCraft HMI AI-powered no-code drag-and-drop UI platform. 2. reTerminal E1002 (7.3" Full-Color Display) The flagship version of our assembled HMI series, utilizing a premium E Ink® Spectra™ 6 full-color screen. Display: 7.3-inch vibrant full-color ePaper display ($800 times 480$ resolution). Core Power: Driven by an ESP32-S3 processor with 8MB PSRAM and 32MB Flash. Onboard Features: Identical to the E1001 with built-in environmental sensors, buzzer, expansion ports, and microphone, housed in a durable metal enclosure. Best For: Displaying digital photo frames, colorful calendars, and rich visual data dashboards using SenseCraft HMI. 3. XIAO 7.5" ePaper Panel An elegant, energy-efficient smart home screen housed in a clean, white 3D-printed (PLA) frame with a versatile retractable stand. Display: 7.5-inch monochrome e-ink screen ($800 times 480$ resolution). Core Power: Powered by the compact XIAO ESP32-C3 microcontroller. Software Integration: Optimized for native Home Assistant Lovelace dashboards and TRMNL access (unlocking over 80 daily/work plugins). Fully open-source and compatible with the Arduino IDE. 4. TRMNL 7.5" (OG) DIY Kit The official, co-developed TRMNL BYOD (Bring Your Own Device) development kit designed for makers, hobbyists, and custom integration enthusiasts. Display & Core: Includes a loose 7.5-inch monochrome ePaper screen ($800 times 480$ resolution) paired with a specialized XIAO ePaper Display Dev Board hosting a XIAO ESP32-S3 Plus. TRMNL Ecosystem: Deeply integrated with the TRMNL BYOD platform, granting no-code access to 375+ plugins and 8 customizable layouts. Enclosure: Not included. Open-source enclosure designs (including Triangular and L-Shape versions) are free to download on Printables, Maker World, and Thingiverse for your custom 3D printing/remixing. Technical Specifications Comparison Parameter reTerminal E1001 reTerminal E1002 XIAO 7.5" ePaper Panel TRMNL 7.5" (OG) DIY Kit MCU ESP32-S3 (8MB PSRAM) ESP32-S3 (8MB PSRAM) XIAO ESP32-C3 XIAO ESP32-S3 Plus Storage 32MB Flash 32MB Flash On-chip On-chip Display Size 7.5-inch 7.3-inch 7.5-inch 7.5-inch Color Type Monochrome Full-Color (Spectra™ 6) Monochrome Monochrome Resolution $800 times 480$ $800 times 480$ $800 times 480$ $800 times 480$ Partial Refresh ✅ Yes ❌ No ✅ Yes ✅ Yes Refresh Rate 2-5 seconds 12-15 seconds 2-5 seconds 2-5 seconds Micro SD Support ✅ Yes (Up to 32GB FAT32) ✅ Yes (Up to 32GB FAT32) ❌ No ❌ No Wireless 2.4GHz Wi-Fi, BLE 5.0 2.4GHz Wi-Fi, BLE 5.0 2.4GHz Wi-Fi, BLE 5.0 2.4GHz Wi-Fi, BLE 5.0 Onboard Sensors Temperature & Humidity Temperature & Humidity None None Audio Indicator Buzzer & Reserved Mic Buzzer & Reserved Mic None None Expansion Ports UART & I2C UART & I2C None None Enclosure Premium Metal w/ Stand Premium Metal w/ Stand White 3D-Printed PLA ❌ None (Open-source files available) Battery Capacity 2000mAh 2000mAh 2000mAh 2000mAh Power Input USB-C 5V/1A USB-C 5V/1A USB-C 3.3V to 5V USB-C 3.3V to 5V Working Temp 0°C to 40°C 0°C to 40°C -40°C to 85°C -40°C to 85°C Compatible Software SenseCraft HMI, Home Assistant/ESPHome, TRMNL, Arduino, EEZ Studio SenseCraft HMI, Home Assistant/ESPHome, TRMNL, Arduino, Squareline Vision, EEZ Studio Home Assistant/ESPHome, TRMNL, Arduino TRMNL, SenseCraft HMI, Home Assistant/ESPHome, Arduino Diverse Application Scenarios Home Automation Dashboards: Keep track of your real-time smart home metrics, environmental sensor data, and automated schedules directly via Home Assistant Lovelace integration. Desktop Personal Assistants: Replace distracting tablet screens with an eye-strain-free desktop calendar, to-do tracker, weather station, or live RSS/news feed. Smart Office Displays: Manage resources effortlessly by turning these low-power screens into digital meeting room planners, office calendars, or directional signage. Retail & Public Displays: Leverage the 3-month battery life to deploy menu boards, occupancy counters, or store schedules without routing power cables. Education & Rapid Prototyping: A ready-made sandbox for students and developers to explore IoT networks, embedded coding (Arduino/ESP-IDF), and no-code graphical configurations. Part Lists Please verify the contents included with your specific selection: If purchasing reTerminal E1001: 1x reTerminal E1001 Monochrome ePaper Display 1x USB Type-C Cable 1x Display Stand with Mounting Screw 1x Screwdriver If purchasing reTerminal E1002: 1x reTerminal E1002 Full-color ePaper Display 1x USB Type-C Cable 1x Display Stand with Mounting Screw 1x Screwdriver If purchasing XIAO 7.5" ePaper Panel: 1x XIAO 7.5" ePaper Panel (with integrated 3D-printed enclosure) 1x USB Cable (100 cm, USB Type-A to USB Type-C) If purchasing TRMNL 7.5" (OG) DIY Kit: 1x XIAO ePaper Display Dev Board (with onboard XIAO ESP32-S3 Plus) 1x 7.5-inch Monochrome ePaper Display Panel 1x FPC Extension Cable (10 cm) 1x FPC Connector 1x 2000mAh Rechargeable Li-ion Battery
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