Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-S3 Dual-Core Xtensa LX7 |
| Flash Memory | 16MB (N16) |
| PSRAM | 8MB (R8) |
| Connectivity | Wi-Fi 4 (802.11 b/g/n), Bluetooth 5 (LE), 4G LTE Cat.1 |
| AI Capability | On-device Voice Recognition & Dialogue Processing |
| Audio Interface | I2S, PDM Microphone Input, DAC Output |
| Display Support | RGB LCD, SPI, I8080, MIPI-DSI |
| Power Supply | 5V via USB-C or Li-Po Battery Management |
| Form Factor | Compact Development Board with Enclosure Options |
| Software Ecosystem | Arduino IDE, ESP-IDF, MicroPython Compatible |
Anonymous
Mar 28, 2026
Rating: 5/5
High Performance for the Price
The 16MB flash and 8MB PSRAM provide ample space for complex firmware. Audio quality through the I2S interface is surprisingly clear for a development board.
Anonymous
Mar 17, 2026
Rating: 4/5
Great for Learning, Minor Setup Hurdles
Excellent hardware for teaching kids about IoT and AI. The voice dialogue feature works well once configured. Documentation could be slightly more detailed for absolute beginners, but community support is strong.
Anonymous
Mar 17, 2026
Rating: 4/5
Solid Base for Custom Assistants
Used this to build a custom home assistant node. The voice wake-up works reliably. Only wish the included enclosure was a bit more rugged for industrial settings.
Anonymous
Mar 10, 2026
Rating: 5/5
Robust Connectivity
Having 4G built-in is a game changer for mobile robotics projects. No need to rely on spotty Wi-Fi. The XiaoZhi voice interaction is responsive and fun to customize.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect for AI Voice Projects
The integration of the 4G module with the ESP32-S3 makes this board incredible for standalone voice chat applications. The N16R8 memory configuration handles large language models locally without lag.
Anonymous
Mar 02, 2026
Rating: 5/5
Exceeded Expectations
As someone new to embedded AI, this board made it easy to get a voice chat robot up and running. The pre-loaded examples are very helpful for getting started quickly.
Q: Does this board support SIM cards for the 4G connection?
A: Yes, the board includes a nano-SIM card slot specifically for the integrated 4G LTE Cat.1 module, allowing for independent cellular connectivity.
Q: What kind of microphone does the voice dialogue system require?
A: The board supports both I2S digital microphones and PDM microphones. A standard electret microphone can also be used with an external ADC or amplifier circuit.
Q: Can I program this using Python?
A: Absolutely. The ESP32-S3 chip is fully compatible with MicroPython and CircuitPython, making it accessible for developers who prefer Python over C++.
Q: Does the kit come with a battery?
A: The standard development board kit does not include a battery, but it features a dedicated JST connector and charging circuit for connecting a single-cell Li-Po battery.
Q: Is the 8MB PSRAM sufficient for running local LLMs?
A: The 8MB PSRAM is suitable for lightweight, quantized language models optimized for edge devices. For larger models, cloud API integration via the 4G module is recommended.
Zhi Paper Calligraphy Copybook: Shen Du's Red Cliff Ode, Jingzhai Zhen, and Bu Zi Qi Shuo - Small Regular Script Cards for Tracing Practice
$17.00
Maike Outdoor Waterproof Dry Bag - Crossbody Travel Backpack for Rafting Diving and Beach Activities
$19.90
Oriental Pearl Dual Porcelain Jar Gift Set: Green Tea, Black Tea, Jin Jun Mei, and Pu'erh Loose Leaf Tea in Porcelain Jars
$140.41
Transparent Retainer Storage Case – Portable Soaking and Cleaning Box for Orthodontic Appliances and Dentures
$8.42
Original Wang Xizhi Huangting Small Regular Script Calligraphy Copybook for Soft/Hard Tip Pens Tear-Off Card Precise Tracing Kaishu Huan'e Tie
$35.70
Foldable Kitchen Sink Dish Drying Rack - Silicone Roll-Up Mat and Countertop Organizer
$25.40
Rapid Folding Shopping Cart, Small Trolley for Stairs, Lightweight Portable Home Handcart, Supermarket Pushcart and Vegetable Basket
$178.39
Over-Toilet Storage Rack - No-Drill Toilet Paper Holder with Multi-Compartment Shelves for Wet Wipes and Aromatherapy
$19.71
Stainless Steel Planter Pot - Outdoor Vegetable and Flower Growing Box for Balcony, Rooftop, Courtyard, Auto-Drainage, Customizable
$42.50
Stainless Steel Over-Toilet Storage Rack, Multi-Function Floor-Mounted or Wall-Mounted Multi-Tier Organizer for Bathroom, Toilet, and Laundry
$50.00
![[Chip 3.0 Upgraded Model] Senzhou TDS Water Quality Tester for Tap and Drinking Water Health Monitoring](https://www.gosteppe.com/cache/small/product/268996/legacy-main-32173fe50b846ac0e87ae26e.webp)
[Chip 3.0 Upgraded Model] Senzhou TDS Water Quality Tester for Tap and Drinking Water Health Monitoring
$22.90
Here and Now Pocket Calligraphy Copybook: Wen Zhengming Small Regular Script for Adult Beginners
$18.00
Southern Red Agate Loose Beads for DIY Crystal Jewelry Making, Round Bead Accessories and Materials
$1.10
3-Tier, 4-Tier, 5-Tier Double-Layer Drainage Rack, Water Bucket Stand, Floor-Standing Thickened Rack
$276.32
Multi-Layer Over-Toilet Storage Rack for Bathroom, Drill-Free Floor Stand for Washing Machine and Balcony Organization
$46.96
Thickened Industrial Scouring Pad Emery Stainless Steel Abrasive Cloth Pot Scrubber Rust Removal and Polishing Wheel
$7.28
Wall-Mounted Bathroom Toilet Paper Holder and Tissue Dispenser Rack
$49.00
Arches French Watercolor Paper 300g/640g/850g, Cold/Hot Press, 100% Cotton, Deckled Edge, 2K/4K/8K
$29.60
Wen Xin Tang Yan Zhenqing Duobao Pagoda Stele Calligraphy Copybook, Tang Regular Script, Adult Beginner Calligraphy Practice Cards
$49.30
![[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask](https://www.gosteppe.com/cache/small/product/268987/legacy-main-5f71c8070119587e6427efe9.webp)
[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask
$298.00
Teruisi Electric Fruit and Vegetable Slicer, Multifunctional Chopper for Cafeterias and Hotels, Cutter for Green Onions, Chili Peppers, Radishes, and Ginger
$3,798.00
Waterproof Phone Pouch for Diving, Swimming, Rafting, and Hot Springs, Sealed Underwater Storage Bag with Waist Strap
$12.90
Premium Thick Cardstock Lin Zexu Representative Small Regular Script Infinite Life Sutra Close-Up Copying Calligraphy Copybook Regular Script for Beginners
$39.80
Zunjue Ticket-style 100% Cotton Watercolor Paper 300g Cold Press for Artists with Deckled Edges
$10.20
Kids' 3D Printing Pen – 3D Stereoscopic Drawing Toy for Girls, Perfect Birthday Gift
$104.66
Mifaner Handmade Watercolor Sketchbook – Oil Painting Series Canvas Journal, Travel-Friendly Mini Notebook for Acrylic Markers
$16.90
(Sasha Exclusive) Fat Small Card
$1,399.00
Silicone Faucet Side Drain Mat, Foldable Splash-Proof Pad for Kitchen Sink and Bathroom Washbasin
$4.93
Breathable Portable Invisible Aligner Case with Lanyard – Durable Hygienic Storage for Orthodontic Retainers and Dentures
$18.10
Snail-Specific Slug & Snail Killer Scatter-Type Anti-Pest Granules for Vegetable Gardens Slugs Apple Snails Fruit & Vegetable Fields
$10.00
![[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)
