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 Screen |
| Connectivity | Wi-Fi 2.4 GHz and Bluetooth 5 (LE) |
| Antenna Type | Integrated Ceramic Antenna |
| Flash Memory | 4 MB SPI Flash |
| Operating Voltage | 3.3V Logic Level |
| Input Voltage | 5V via USB-C Port |
| GPIO Pins | 22 Programmable GPIOs |
| Programming Interface | USB-to-UART Bridge included |
| Dimensions | 55mm x 25mm x 12mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Compact and powerful
Replaced my old ESP8266 projects with this. The extra RAM and the display make it superior for standalone applications where a phone isn't nearby.
Anonymous
Mar 23, 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 21, 2026
Rating: 4/5
Great value, minor pin labeling issue
Excellent board for the price. The RISC-V architecture is fast. Only downside is the silk screen for some GPIO pins is a bit small to read without a magnifier.
Anonymous
Mar 19, 2026
Rating: 5/5
Easy to get started with Arduino IDE
I was able to upload my first sketch within minutes. The USB-C connection is very convenient compared to older micro-USB boards.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable Bluetooth performance
Using this for a BLE sensor node. The connection range is impressive for such a small form factor, and the low power consumption is exactly what I needed.
Anonymous
Mar 10, 2026
Rating: 4/5
Good documentation support
Found plenty of examples online for the ESP32-C3. The screen library took a little tweaking to get right, but once configured, it works smoothly.
Q: Can I power this board with a 3.7V LiPo battery directly?
A: No, you should not connect a LiPo battery directly to the 5V or 3.3V pins. This board lacks a dedicated LiPo charging circuit. Use a regulated 5V source or a separate battery management module.
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 ideal for displaying status icons, small text, or simple graphs.
Q: Which drivers are needed for the USB-C port on Windows?
A: Most modern Windows 10/11 systems will automatically recognize the CH343 or CP210x bridge used on this board. If not, please download the specific driver from the link in our user manual.
Q: Is the antenna detachable?
A: No, the ceramic antenna is integrated directly onto the PCB to save space and improve durability. It cannot be removed or replaced with an external connector.
Q: Does this board support MicroPython?
A: Yes, the ESP32-C3 chip fully supports MicroPython. You can flash the firmware using esptool.py just like standard ESP32 boards.
Baby Rattle with Teether for 0-6 Month Newborns, Sand Shaker and Hand Drum for Visual and Auditory Tracking
$10.50
Splicable Folding Food Warmer Partition Temperature Control Insulation Plate Hot Dish Plate Induction Cooker Plate Constant Temperature Heating Food Warmer Table Mat
$315.00
Marie's Kneaded Eraser Cotton for Sketching, Student-Use Blending Stump, Makeup Sponge for Art Students, Paper Blending Tool, Soft Absorbent Water-Drop Sponge Ball for Sketching
$8.33
Soft Cheese Processing Equipment, Lab-Type Cheese Stretching and Mixing Machine, Multi-Function Hot Water Stretching Unit
$210,210.00
Imported IKO Needle Roller Bearings TAF121912, 121915, 121916, 142212, 142216, 142220
$26.00
Portable Watercolor Sketchbook – 100% Cotton Mini Square Pocket Book for Travel, On-the-Go Sketching, Tear-Off Art Pages
$10.90
Dongguan Rotary Pad Printer Manufacturer - Fully Automatic 4-Station Pad Printer for Plastic, Metal, Text, Patterns, and Logos
$500.00
Custom Solid Wood Plaque, Antique-Style Wooden Sign with Engraving, Shop Signboard, Couplet, Carved Wood Plaque
$17.00
No-Drill Over-Toilet Storage Rack for Bathroom Wall Gap Behind Tank
$24.55
Upgraded Breakfast Food Warmer Display Cabinet - For Fried Chicken, Pies, Roasted Meat, with Crisp Preservation and Constant Temperature Control
$4,920.00
Butterfly Silicone Mold for Handmade Soap, Fondant, Chocolate, and Ice Cream
$14.00
Professional Music Services: Harmony Arrangement, Vocal Recording, Sheet Music, Mixing & Campus Orchestration
$20.00
Chunfei Grocery Store Yunan GR02 Gravel Bike Thru-Axle Disc Brake Light Load V Travel Many Rack Mounts
$6,445.00
![Pad Printing Silicone Head Mold with Blister Cover, Long Crystal Mold for Pad Printing Machines [Long Strip]](https://www.gosteppe.com/cache/small/product/270328/legacy-main-ca45adf23667d6b16fd9f3c4.webp)
Pad Printing Silicone Head Mold with Blister Cover, Long Crystal Mold for Pad Printing Machines [Long Strip]
$5.00
Remote-Controlled Automatic Fog Cannon for Xinjiang and Inner Mongolia Mines - Explosion-Proof, Anti-Freeze, Noise-Reducing Dust Suppression Sprayer for Coal Yards
$6,000.00
UV Glue for Bonding PET to Melamine Board, PC to Melamine Veneer, Invisible Adhesive for Glass Sliding Doors with UV Curing
$326.00
Mobile Welding Fume Purifier, Industrial Soldering Smoke Extractor, Welding Fume Collector and Exhaust Machine
$2,760.00
Upgraded Commercial Constant-Temperature Heated Display Cabinet for Fried Chicken, Meat Pies, and Breakfast Pastries
$5,510.00
2025 New Waterproof Swim Bag with Dry-Wet Separation - Lightweight Gym and Beach Tote for Men and Women
$14.80
4-Piece Canvas Stretching Tool Set with Wide-Jaw Pliers, Manual Staple Gun, and Starter Tool for Oil Painting Frames, Includes Tutorial
$10.20
Construction Anti-crack Steel Wire Mesh 4mm for Concrete Floors - Thickened Galvanized Iron Grid
$10.59
Japanese Dopamine Style Portable Retainer Case with Mirror - Storage Box for Invisible Aligners and Dentures
$16.00
Traditional Rattle Drum Toy for Infants - Old-Style Handheld Bell, Wave Shaker, and Sand Hammer for Newborns Aged 0-1 Year; Suitable for Boys and Girls
$6.90
Low-Temperature Plasma Oil Fume Purifier Electrostatic Ion Module Equipment Rubber Plastic Smoke Treatment Device
$1,600.00
Chunfei Grocery Store - Yun'an GR02 Gravel Bike, Thru-Axle, Disc Brake, Lightweight Touring with Multiple Rack Mounts
$7,977.00
Cashmir Blending Knife Replacement Head Set, Sketch Neony Blending Heads, Sponge Blending Heads, Breathing Cotton for Art Students
$4.34
Natural Amethyst, Rose Quartz, Clear Quartz, and Lemon Quartz Double-Pointed Tumbled Beads for DIY Bracelets, Necklaces, and Earrings
$1.70
Accordion-Style Watercolor Sketchbook, 32k Foldable Blank Paper, 300g Cotton Pulp Fine Texture for Painting, A4 Stamp Collection Travel Journal, DIY Sticker Art Notebook
$9.70
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$52.55
VFD 2.2kW 9.8A Single Phase 220V
$1,919.00
![[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)
