Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3 SoC |
| Wireless Connectivity | 2.4 GHz Wi-Fi and Bluetooth 5 (LE) |
| CPU Architecture | 32-bit RISC-V single-core processor |
| Flash Memory | 4 MB SPI Flash |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB-C or VIN pin |
| GPIO Pins | 22 programmable GPIOs |
| Interface | USB-to-UART bridge with USB-C connector |
| Dimensions | 56mm x 24mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 22, 2026
Rating: 5/5
Great upgrade from older ESP models
I've used many ESP boards, and the C3 is a fantastic evolution. The Bluetooth LE support is stable, and power consumption seems lower than my old ESP8266 projects. Highly recommended.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for IoT Projects
This board works flawlessly right out of the box. The USB-C connection is a huge plus, and setting up the Wi-Fi was incredibly simple using the Arduino IDE. Great value for the price.
Anonymous
Mar 12, 2026
Rating: 4/5
Reliable for prototyping
We are using these for initial prototyping of industrial sensors. They handle the temperature variations in our lab well. Would prefer a mounting hole pattern, but otherwise great.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent range and stability
The antenna performance is surprisingly good for such a small board. I get strong signals even through two walls. The build quality feels premium compared to generic clones.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid performance, minor documentation gaps
The hardware is excellent and the RISC-V architecture is fast. I deducted one star because the pinout diagram on the back could be clearer for beginners, but online resources fill the gap easily.
Anonymous
Mar 03, 2026
Rating: 5/5
Beginner friendly
As someone new to embedded systems, this board was easy to set up. The community support is vast, and I had my first LED blinking over Wi-Fi within an hour. Very satisfied.
Q: What is the maximum current draw per GPIO pin?
A: Each GPIO pin can source or sink up to 40mA. However, the total current for all ports combined should not exceed the chip's maximum rating to prevent damage. Please refer to the official datasheet for detailed electrical characteristics.
Q: Can I power this board directly with a 3.7V LiPo battery?
A: Yes, you can connect a 3.7V LiPo battery to the 3.3V pin if it is regulated, or use the VIN pin if your battery voltage is within the acceptable input range (typically up to 5V). However, for safety and stability, using a dedicated battery management module is recommended.
Q: Does it come with headers pre-soldered?
A: No, this board is typically shipped without pre-soldered headers to allow for flexible mounting options. You will need to solder your own male or female headers depending on your project needs.
Q: Is this compatible with the original ESP32 libraries in Arduino IDE?
A: Most libraries are compatible, but you must select the 'ESP32C3' board manager in the Arduino IDE. Some specific hardware peripherals differ from the dual-core ESP32, so code may require minor adjustments.
Q: Does this board support 5GHz Wi-Fi networks?
A: No, the ESP32-C3 chip specifically supports 2.4 GHz Wi-Fi networks only. It does not have 5GHz capability.
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
Yonghe Hair Transplant: Shaved Method for Large-Area Top Density Enhancement - Unlimited Grafts by Director Team
$19,800.00
![[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)
