Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chip Model | ESP32-C3FH4 |
| CPU Core | 32-bit RISC-V Single-Core |
| Flash Memory | 4 MB |
| SRAM | 400 KB |
| Wi-Fi Standard | 802.11 b/g/n 2.4 GHz |
| Bluetooth Version | Bluetooth 5 Low Energy |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB |
| GPIO Pins | 22 Programmable GPIOs |
| Dimensions | 33mm x 13mm x 3mm |
Anonymous
Apr 08, 2026
Rating: 4/5
Great board, minor docs issue
Hardware is solid and performs well. Wish the pinout diagram was clearer in the box documentation.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for IoT Projects
Works flawlessly with Arduino IDE. Low power consumption is a huge plus for my battery operated sensors.
Anonymous
Feb 13, 2026
Rating: 5/5
Compact and Powerful
The form factor is tiny but fits all my needs. USB-C charging is very convenient for modern setups.
Anonymous
Feb 05, 2026
Rating: 5/5
Reliable Wi-Fi Connection
Stable connection compared to my old ESP8266 boards. Bluetooth LE works well too for local config.
Anonymous
Jan 23, 2026
Rating: 4/5
Good learning board
Easy to program for beginners. Sometimes needs a reset button press to upload code successfully.
Q: Is this compatible with Arduino IDE?
A: Yes, fully supported via the ESP32 board manager package.
Q: Does it support classic Bluetooth?
A: No, this chip supports Bluetooth 5 Low Energy only.
Q: Can I power this with 3.3V directly?
A: Yes, but ensure stable regulation to avoid damage to the chip.
Q: Is there an external antenna connector?
A: No, this model uses the onboard ceramic antenna.
Q: What debugging interface is available?
A: It supports JTAG debugging via specific GPIO pins.
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
Natural 7A Lavender Loose Beads Single Round Bead DIY Amethyst Spacer Beads Jewelry Making Semi-Finished Accessories
$0.88
Paint Brush Cleaner - Mini Toilet Style Rinser for Watercolor and Gouache, Art Supply with Circulating Water System
$16.90
Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls
$10.80
Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires
$6.21
Factory Direct Mining Round Link Chains - High Cost-Performance Lifting Chains for Mining Applications
$153.00
Hangzhou Stomatological Hospital Dental Implant Initial Consultation Package – CT Scan, Missing Tooth Exam, and Custom Implant Plan Design
$1.00
Rockschool Acoustic Guitar Method Book (Chinese Edition) – Folk & Rock Guitar Grading Curriculum for Schools
$145.00
Commercial Food Warmer Cabinet, Small Heating Thermostat Display Counter for French Fries, Egg Tarts, Enlarged Chestnuts, and Fried Chicken
$334.00
Natural Green Peridot Crushed Stone, Small Raw Particles for Demagnetizing Energy, Aquarium Landscaping DIY Accessories
$8.50
3M 5-Inch Flocked Abrasive Disc with Hook-and-Loop Backing – Polishing Pad for Angle Grinders, Rust Removal & Cleaning
$3.20
Children DIY Art Rubbing Stick Round Painting Sponge Brush Graffiti Stamp Tool Kindergarten Rubbing Materials
$2.61
Over-Toilet Storage Rack for Bathroom - Organizer for Tissue, Toiletries, and Body Wash
$23.46
Magbase Cable Organizer with Dual Strong Magnets for Car, Office, and Home - Holds Power Cables, Ethernet, and Charging Cables
$24.90
Multi-Purpose Industrial Wiping Cloth 30*35 - Lint-Free Oil-Absorbent Paper for Aviation, Metro, and Rail Systems
$98.00
Commercial Electric Dicing Machine - Multi-Function Slicer for Carrots and Potatoes
$852.00
![[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer](https://www.gosteppe.com/cache/small/product/269122/legacy-main-636b79526345e5fcd94b7ff1.webp)
[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer
$10.36
Car Tire Lug Nuts - External Hex Cone Seat Wheel Bolts for Custom Rims
$80.00
Infant Sheepskin Rattle Baby Toy for Courage Building, Solid Wood Unpainted Chewable Glue-Free Version for Audio-Visual Grasping Early Education
$18.25
New Transparent Heat-Preserving Display Case for Roast Duck - Commercial Crispy Pork Belly Warmer with Eco-Friendly Design
$636.00
![[Youxin Electronics] Soil Moisture Meter Detection Module, Soil Moisture Sensor for Intelligent Robot Cars](https://www.gosteppe.com/cache/medium/product/3877/legacy-main-eca7a3fa750966e5dca86bbf.webp)
![[Puzhong Brand Store] 51 Microcontroller Learning Board Development Board Jiangxie Tech STC89C52 DIY Kit](https://www.gosteppe.com/cache/medium/product/1885/legacy-main-0474e8371f211cc54ab452b5.webp)
![[Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection](https://www.gosteppe.com/cache/medium/product/3259/legacy-main-2f0d3454b36b32391d263648.webp)
