Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Display Size | 3.97 inches |
| Resolution | 540 x 960 pixels |
| Microcontroller | ESP32-S3 Dual-Core Xtensa LX7 |
| Connectivity | Wi-Fi 2.4GHz and Bluetooth 5 (LE) |
| Voice Feature | On-board microphone for AI voice interaction |
| Interface | USB Type-C for power and programming |
| Storage | 16MB Flash, 8MB PSRAM |
| Power Supply | 5V via USB or Li-Po battery connector |
| Operating Temperature | -20°C to 70°C |
| Dimensions | 108mm x 68mm x 12mm |
Anonymous
Mar 27, 2026
Rating: 5/5
Low power consumption winner
Ideally suited for battery-powered projects. The deep sleep modes combined with the e-ink display allow my project to run for weeks on a single charge.
Anonymous
Mar 11, 2026
Rating: 5/5
Solid build quality
The PCB layout is clean, and the connectors feel durable. Integrating it with Home Assistant was straightforward. Highly recommend for industrial control prototypes.
Anonymous
Mar 11, 2026
Rating: 4/5
Good for static UIs
Works great for displaying weather, clocks, or status info. Don't expect video speeds, but that's not what e-ink is for. The voice command feature adds a nice modern touch.
Anonymous
Mar 10, 2026
Rating: 5/5
Perfect for IoT Dashboards
The e-ink display is crisp and the ESP32-S3 handles Wi-Fi connectivity effortlessly. Setting up the voice interaction was simpler than expected using the provided libraries.
Anonymous
Mar 04, 2026
Rating: 4/5
Great hardware, docs could be better
Hardware quality is excellent and the screen refresh rate is decent for e-ink. I wish the documentation for the specific voice AI models was a bit more detailed, but community support helped.
Anonymous
Mar 01, 2026
Rating: 5/5
Excellent learning tool
Bought this for a university project on smart home interfaces. The combination of touch, voice, and wireless makes it a comprehensive development platform.
Q: Does it come with a case?
A: No, the product includes only the development board. However, 3D printing files for a case are available in our GitHub repository.
Q: Is the touchscreen resistive or capacitive?
A: This specific 3.97-inch E-Ink module utilizes a capacitive touch interface for responsive interaction.
Q: Does this board support MicroPython?
A: Yes, the ESP32-S3 chip fully supports MicroPython, CircuitPython, and the Arduino IDE.
Q: Can I connect a external battery directly?
A: Yes, there is a dedicated 2-pin JST connector for Li-Po batteries. Please ensure the voltage is within the 3.7V-4.2V range.
Q: What voice commands are pre-installed?
A: The board comes with firmware examples for wake-word detection and basic command recognition. You can train custom models using the ESP-SR framework.
Over-Toilet Storage Rack for Bathroom - Multi-Functional No-Drill Organizer
$14.70
Wuxi 3D Five-Axis CNC High-Pressure Waterjet Cutting Machine for Metal, Glass, and Stone Inlay Patterns
$431,980.00
Zodiac Dragon & Snake Rattle Toy for Babies, Sheepskin Drum Head, Solid Wood, Non-Toxic, Chewable, Sensory Grasping Toy for 6+ Months
$14.80
Menghu Custom Plush Squeaky Keychain with Custom Voice - DIY Anime Comic Fabric Mini Pillow Charm
$12.80
Hell Jazz Drumming: Ultimate Drum Skill Training Institute - Complete Rock Drum Kit Manual and Tutorial for Drummers
$58.00
Custom Calligraphy Felt Mat for Chinese Painting and Brush Writing – Wool Felt Desk Pad or Wall Mat for Four Treasures of the Study
$9,022.00
Mini Watercolor Paint Notebook – Compact, Portable, Thickened Sketchbook for Markers, Ideal for Students and Casual Drawing
$7.58
Manufacturer Sales 35-Piece Automotive Repair Tool Set, 1/2" Pneumatic Socket Set, Extended Impact Sockets
$165.00
Portable Invisible Aligner Case for Invisalign and Children's Orthodontic Retainers
$12.50
Paper Blending Stumps Set for Art Highlighting and Sketching, Professional Smudging Tools for Fine Arts Students
$2.65
Sketch Blending Stump and Knife Set - Art Supplies Including Paper Stumps, Makeup Sponges, Highlight Detail Tools, Charcoal Wipers, and Scraper Kit
$4.08
New Children's Potty Training Seat for Boys and Girls
$28.00
FRP Spray Purification Tower for Thermal Power Plant Exhaust Gas Treatment - Desulfurization, Denitrification, Acid Mist Scrubber, FRP Chimney
$680.00
Handmade Natural Gourd Cute Smiley Face Rattle Baby Soothing Toy Safe for Chewing No Paint
$32.30
Baby Wooden Rattle Toy - Chewable Traditional Goat Skin Shaker for Newborn Boys and Girls
$9.80
Yuanhengtong Whiteness Meter WSB-1/2Y/3Y/CY, Digital Whiteness Tester for Paper, Flour, Paint, Plastic, Ceramics, and Textiles
$1,055.80
G460 Fast-Drying Glue for Plastics Bonds PP PVC ABS PC PS Strong Low-Whitening Transparent Instant Adhesive
$38.80
Children's Drawing Board Blackboard Whiteboard Accessories Colorful Whiteboard Markers Chalk Set Magnetic Stickers Toys Letters Numbers Eraser
$3.00
Automatic Retractable Air Hose Reel - Pneumatic Hose Drum for Auto Repair, Detailing, and Water/Electric Applications
$295.00
Sheepskin Rattle Traditional Handmade Baby Safe to Chew Brass Stick Bell Clapper Rattle Intangible Cultural Heritage Leather Newborn
$16.00
Glass Reactor with Multi-Function Stirring and High-Temperature Resistance - Double-Layer Glass Reactor from Manufacturer, Customizable
$85.00
Charcoal Blending Stump Set for Sketching - Highlight, Shadow, and Detail Tools with Replaceable Sponge Tips for Artists
$4.80
Minimalist Stainless Steel Toothbrush Holder with Drainage - Ins Style Bathroom Organizer for Cosmetics
$10.40
Qili Automotive Paint Degreasing Cloth – Glue/Dust Removal Paper, Industrial Wiping & Absorbent Paper
$313.12
Qingzhu Sketch Blending Cotton - Professional Sponge Balls & Paper Stumps for Art Students, Colorful Thick Absorbent Drawing Tools
$4.38
Electric Scooter Dashboard Cover for Aima Metaverse PLAY Instrument Panel Screen Protector Waterproof Case
$13.50
Continental Tire 265/40R22 106V XL FR CSC5 SUV - Compatible with BYD Tang (Removed from Vehicle)
$618.00
Yandi Retainer Storage Case for Kids - Lightweight Portable Box for Orthodontic Aligners and Dentures
$8.42
Zhizhi Manshu Wen Zhengming Small Regular Script Collection of Twelve Ancient Texts: Yueyang Tower Record, Peach Blossom Spring Record, Farewell to Dongyang Ma Sheng Xu
$68.00
Factory Direct Rubber Molding Tools - Custom Production & Processing
$2,280.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
