Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3 (RISC-V 32-bit) |
| Display Type | 0.42-inch OLED |
| Connectivity | Wi-Fi 2.4 GHz, Bluetooth 5 (LE) |
| Antenna Type | On-board Ceramic Antenna |
| Flash Memory | 4 MB |
| Operating Voltage | 3.3V |
| Interface | USB Type-C |
| GPIO Pins | 22 Programmable GPIOs |
| Dimensions | 55mm x 25mm x 12mm |
| Supported IDEs | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 26, 2026
Rating: 5/5
Perfect for compact IoT projects
The built-in OLED screen is a game changer for debugging without needing a serial monitor. The ceramic antenna provides stable Wi-Fi connectivity in my smart home setup.
Anonymous
Mar 22, 2026
Rating: 5/5
Ideal for student workshops
Bought ten of these for our robotics club. The small form factor fits perfectly into custom 3D printed cases, and the screen allows students to see output immediately.
Anonymous
Mar 21, 2026
Rating: 4/5
Good signal strength
The ceramic antenna performs better than expected for such a small board. Only wish it had a battery connector header pre-soldered, but easy enough to add.
Anonymous
Mar 19, 2026
Rating: 4/5
Great board, slight learning curve
Hardware is solid and the USB-C connection is convenient. Took me a little while to get the display library working with MicroPython, but documentation helped.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable and feature-rich
Been running a temperature monitoring station on this for two weeks straight with no crashes. The low power consumption modes work exactly as described in the datasheet.
Anonymous
Mar 11, 2026
Rating: 5/5
Excellent value for RISC-V development
Switched from ESP8266 projects to this C3 model. The performance boost is noticeable, and having Bluetooth LE alongside Wi-Fi opens up many new possibilities.
Q: Does this support external PSRAM?
A: This specific model does not include external PSRAM. It relies on the internal SRAM of the ESP32-C3 chip, which is sufficient for most standard IoT applications.
Q: Can I power this board with a 5V USB charger?
A: Absolutely. The board features an onboard voltage regulator that accepts 5V input via the USB Type-C port and converts it to the required 3.3V for the ESP32-C3 chip.
Q: What is the resolution of the 0.42-inch OLED screen?
A: The integrated OLED display has a resolution of 72x40 pixels, which is sufficient for displaying sensor data, status icons, and simple menus.
Q: Is the ceramic antenna removable or replaceable?
A: No, the ceramic antenna is soldered directly onto the PCB and is not designed to be removed or replaced. It is optimized for the board's specific layout.
Q: Does this board support Arduino IDE out of the box?
A: Yes, you can use the Arduino IDE. You will need to install the ESP32 board manager package and select the 'Xiao ESP32C3' or generic 'ESP32C3 Dev Module' depending on your specific driver setup.
Hell Training Rock Guitar by Shinichi Kobayashi Electric Guitar Textbook Tutorial Speed Picking
$106.00
Zhao Mengfu Running-Cursive Calligraphy Copybook - Spring River in the Flower Moon Night Tang Poems for Tracing and Practice
$16.00
Precision Transcription Service for David Tao's 'Small Town Girl' Saxophone Arrangement by Mr. Chui, Three-Piece Set
$10.00
CANDLE.LAB | Small Wax Melting Pot 180ml with Stainless Steel Measuring Spoon for DIY Scented Candles 26
$16.00
Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome
$33,610.00
Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links
$61.15
![[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design](https://www.gosteppe.com/cache/small/product/269162/legacy-main-c1f4dd8da327a142f48d9814.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design
$12,797.60
Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper
$4,400.00
HVAC Fan VFD Control Cabinet with Power Frequency to Variable Frequency Conversion
$1,238.00
Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass
$4.93
Imported Automotive Transmission Differential Bearing B39-4 580704A
$338.00
Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter
$37,500.00
Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box
$12.78
Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital
$3,980.00
Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning
$30.50
Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting
$4.93
High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler
$367.30
Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points
$3.02
Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones
$1.50
Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones
$72.00
Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls
$150.00
5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing
$25.00
High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense
$2.98
80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks
$9.14
Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder
$273.00
Yihuashu Calligraphy Felt Mat - Thickened Grid Cloth for Student Practice, Brush Writing Pad
$1.98
![Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies](https://www.gosteppe.com/cache/small/product/269142/legacy-main-f8acbab3a83eee11ff108718.webp)
Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies
$32.90
Chunfei Grocery Store Commuter Hard Fork Low-Step Mountain Bike for Road, City, Suburb, School, and Outings
$2,224.64
Zhang Xiaofeng 'Fu Lu' Hotpot Inkstone Set – Covered Ceramic Ink Well for Calligraphy and Chinese Painting
$38.00
Invisalign Orthodontic Retainer Case, Portable Storage and Cleaning Box for Aligners and Dentures
$12.30
![[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)
