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.
2025 New Flexible Silicone Food Warmer Plate - Multi-Functional and Rollable
$185.00
Michelin Tires 225 235 245 255 275/45 50 55 60R17 18 19 20 21 Run-Flat
$400.00
Narrow Gap Storage Rack for Behind Toilet - Bathroom Organizer Cabinet, Plastic Floor-Standing Unit for Restroom or Balcony
$24.20
Authentic Kayou Ultraman Cards - Zero & Tiga Classic Edition Full Box Deluxe Set with Max Star Cards (10 Yuan Pack)
$8.50
![[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics](https://www.gosteppe.com/cache/small/product/269958/legacy-main-ec3c299e01aeec8ca2d4d9fb.webp)
[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics
$287.00
Aromatherapy Candle Essential Oil, Soluble Fragrance Oil, Lily and Mint Scent, High Concentration Diffuser Stone and Soap DIY Material
$3.90
Disiple Commercial Fried Chicken Warmer with Heat Lamp for Egg Tarts, Chestnuts, and Sweet Potatoes
$1,045.00
Baby Rattle with Chewable Goat Skin - Traditional Wooden Hand-Shaken Toy for Newborns
$8.42
Low-Temperature 3D Stereoscopic Drawing Pen for Kids, 3D Printing Pen Consumables PCL Filament Coil
$10.20
GHL Small Wet Mixing Granulator Chicken Essence Feed Pelletizer Lab High-Speed Wet Mixing Granulator
$36,000.00
![[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts](https://www.gosteppe.com/cache/small/product/269952/legacy-main-dcbe0d97f2626dd23efe098f.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts
$14,000.00
![[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding](https://www.gosteppe.com/cache/small/product/269951/legacy-main-dcc7bccd2c0e53c519ed3ca3.webp)
[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding
$15.10
Aizaofang Four-Connected Flower Elf Oval Flower DIY Handmade Soap Silicone Mold New Bar Soap Silicone Mold
$16.10
Ruitai Dental Korean Implant System Package
$3,980.00
Dental Implant Package - Full Mouth Zirconia Crowns by Dilic for Missing Teeth Replacement
$10.00
Adjustable Over-Toilet Storage Rack for Bathroom Floor Standing Space Saving Organizer
$147.20
Flake Soy Wax & White Bees Wax Pellets – DIY Cup Candle Making Kit with Strawberry Scented Mold and Raw Materials
$5.34
Manufacturer Supply FF High-Speed Dispersing Kettle - Stainless Steel Reactor for Paint, Ink, and Chemical Mixing Equipment
$9,104.80
Mia Bouncy Sketch Blending Cotton Sponge Ball Paper Stump Water-Absorbent Sponge New Art Tool Washable Magic Cotton for Students
$4.80
Yucheng 1606 Fast-Drying Acrylic Adhesive - Odorless, Non-Whitening Glue for Acrylic Bonding
$21.20
Magnetic Storage Shelf Cute Building Block Magnetic Organizer Box Refrigerator Decorative Sticker Cling Film Holder Wall-Mounted Fridge Magnet
$3.80
Commercial Countertop Fried Chicken Warmer Cabinet Hamburger Egg Tart Heating Constant Temperature Box Multi-Function Insulated Display Case for Fried Foods
$620.00
Rectangular Silicone Mold for DIY Handmade Soap
$16.80
Leqin 495 Super Glue - 20g Transparent Fast-Drying Adhesive for Hard Plastics, Metal, Wood, PVC, and Rubber
$25.84
New Chinese Style Zen Calligraphy Felt Mat, Non-Slip Desk Pad for Traditional Writing Tools
$16.50
LB-8001 Inline Water Sampler - Mixed Water Sample Retention Instrument
$10,312.16
Mont Marte Children's Paint Brush Set - Toddler Tempera and Watercolor Brushes, Beginner Fan Brushes, Graffiti Tools
$7.00
Alumina Hollow Sphere Bricks, Castables, High-Temperature Mullite Bricks, High-Alumina Lightweight Insulating Bricks
$124.53
Natural Crystal Lemon Yellow Azeztulite Round Beads for DIY Jewelry Making, Bracelets, and Necklaces
$0.74
Fast Stair-Climbing Folding Hand Truck, Portable Shopping Cart for Groceries and Luggage
$304.08
![[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)
