Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP8266EX |
| Flash Memory | 4MB (32Mbit) |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro-USB |
| Digital I/O Pins | 17 (GPIO0 to GPIO16) |
| Analog Input Pins | 1 (A0, 0-1.0V range) |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| USB Interface | CH340G USB-to-UART Bridge |
| Programming Support | Arduino IDE, Lua, MicroPython |
| Board Dimensions | 58mm x 31mm x 13mm |
Anonymous
Mar 23, 2026
Rating: 4/5
Solid performance
Runs MicroPython smoothly. The only reason for 4 stars instead of 5 is that the USB port feels a bit loose on one of my units, but it still maintains connection.
Anonymous
Mar 17, 2026
Rating: 5/5
Best bang for your buck
Compared to other ESP8266 boards, this one offers the best combination of pin accessibility and onboard USB support. Highly recommended for home automation sensors.
Anonymous
Mar 15, 2026
Rating: 5/5
Reliable and fast shipping
I bought five of these for a university project. All of them connected to our local network without issues. The built-in LED is handy for debugging basic connectivity.
Anonymous
Mar 14, 2026
Rating: 4/5
Good board, minor pin labeling issue
The performance is excellent and Wi-Fi range is solid. However, the silk screen labeling for some GPIO pins is slightly hard to read under bright light. Otherwise, a great purchase for learning.
Anonymous
Mar 13, 2026
Rating: 5/5
Great for beginners
As someone new to embedded systems, this board made getting started with Wi-Fi projects very easy. Plenty of tutorials online specifically for the NodeMCU 12F model.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for IoT prototypes
This board works flawlessly out of the box. The CH340 driver installed easily on Windows 10, and I was uploading code via Arduino IDE within minutes. Great value for the price.
Q: Is the A0 pin 5V tolerant?
A: No, the A0 analog input pin is not 5V tolerant. It accepts a maximum voltage of 1.0V. Applying higher voltages may damage the board.
Q: Can I power this directly from a 5V Arduino pin?
A: Yes, you can power the VIN pin with 5V from an Arduino or USB source. The onboard regulator will step it down to 3.3V for the ESP8266 chip.
Q: Does this board come with headers pre-soldered?
A: No, this board typically comes with unsoldered pin headers in the package to allow for flexible mounting options. You will need to solder them yourself.
Q: What is the maximum current this board can supply to sensors?
A: The onboard 3.3V regulator can typically supply up to 600mA, but it is recommended to keep the load under 200-300mA to prevent overheating during sustained use.
Q: Which driver do I need for Mac OS?
A: For macOS, you usually need the CH340 or CH341 serial driver. Most modern macOS versions may recognize it automatically, but if not, you can download the driver from the manufacturer's site.
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
Printmaking Press Machine - Large Format Etching and Woodblock Printer for School Art Classes and Clubs
$583.11
Bread Rattle Superman Maraca Baby 0-1 Year Soothing Tool Newborn Safe to Chew Grip Training Hand Rattle
$8.80
Direct Supply 0.75kw Laboratory Frame Mixer - Suitable for Mixing Fluid Materials, Adhesives, and Lithium Battery Applications
$2,395.00
Yonghe Hair Transplant Follicle Detection and Scalp Health Assessment - Consultation and Photodynamic Therapy Experience
$0.10
Continental CSC5 Tires – Sizes 215/225/235/245/255 x 40/45/50/55 R17/18/19/20/21
$725.00
Commercial High-Speed Fruit and Vegetable Crusher and Puree Maker, Continuous Processing Equipment for Galangal, Fresh Ginger, Bell Peppers, and Tomatoes
$17,980.00
DIY Scented Candle Molds - 24 Popular Korean Acrylic PC Styles: Cylinder, Pointed Top, Flat Top, Square, Shell
$10.80
Custom Solid Wood Plaque and Couplet Carving - Wooden Shop Signage, Arched Door Headers, and Grand Opening Engravings
$174.00
New Direct-Sale 326 Instant Glue - High-Strength Structural Adhesive for Metal, Heat Resistant, Anti-Aging, Ideal for Car Rearview Mirrors
$26.54
Zhong Shaojing Lingfei Jing Small Regular Script Water Writing Cloth for Calligraphy Practice - Reusable Quick-Dry Mat
$22.53
New 968 Fast-Drying Super Glue - Strong Bond for Metal, Magnets, Rubber, and Aluminum Alloy
$18.20
German Imported Stone Removal Hook Car Tire Stone Cleaning Tool Vehicle Foldable Multi-Function Stone Remover
$11.34
![[10% Off for 2 Items] Double-Sided Wool Felt Mat for Calligraphy and Painting, Student Practice Sheet, Brush Writing Desk Pad, Four Treasures of the Study Set](https://www.gosteppe.com/cache/small/product/270298/legacy-main-71bd30ba8d3367be61265f91.webp)
[10% Off for 2 Items] Double-Sided Wool Felt Mat for Calligraphy and Painting, Student Practice Sheet, Brush Writing Desk Pad, Four Treasures of the Study Set
$6.63
In Stock Special Offer: QS18VP6LLPQ8 Sensor - Price Negotiable
$600.00
Broccoli Vegetable Washing Machine for Pre-made Dishes, Water Bath Cleaning Equipment with Bubble System for Herbs and Export-Grade Produce
$615.00
Hongkedou Oxford Fabric Bag-in-Bag Divider Insert, Stiff Makeup Organizer with Zipper, Waterproof Small Women's Pouch
$22.00
Pad Printing Machine Accessories: Positioning Clamps, T-Shaped Holders, and Locking Irons
$0.60
Japanese High-Concentration Oxalic Acid Toilet Cleaner, Powerful Urine Scale Remover and Stain Eliminator
$23.82
Biliansheng No-Shave Hair Transplant - Hairline and Crown Thinning Treatment, Hair Loss Detection Service
$86.00
Laorentou Paper Blending Stump for Sketching - Professional Art Supply for Highlighting and Pastel Work
$6.80
Fast-Drying Glue for ABS Plastic - Transparent, High-Strength, Odorless, Non-Whitening Instant Adhesive for ABS and PC Plastics
$58.96
Manufacturer Supply Oxygen Absorber Oxygen Generator Stable Performance Hydrogen-Rich Machine Hydrogen Generator
$5,058.00
POPMART CRYBABY Vacation Mode On - Vinyl Plush Keychain Blind Box
$106.99
![[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)
