Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP8266EX |
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 |
| Analog Input Pins | 1 (Max 1V) |
| Flash Memory | 4 MBytes (32Mbit) |
| Clock Speed | 80 MHz / 160 MHz |
| WiFi Standard | IEEE 802.11 b/g/n |
| Dimensions | 34.2mm x 17.8mm |
| USB Interface | Micro USB (CH340G) |
| Compatibility | Arduino IDE, NodeMCU, MicroPython |
Anonymous
Mar 30, 2026
Rating: 5/5
Exceeded expectations
Fast shipping and the board arrived in perfect condition. The soldering quality is top-notch. It works immediately out of the box with NodeMCU firmware.
Anonymous
Mar 26, 2026
Rating: 5/5
Best budget dev board
Amazing price point for what you get. The community support is huge, so finding code examples for sensors and actuators is effortless. Highly recommended for learning.
Anonymous
Mar 06, 2026
Rating: 4/5
Great value, minor pin labeling issue
Works flawlessly with the Arduino IDE. My only complaint is that the silkscreen labeling for the GPIO pins is a bit small to read without a magnifying glass. Otherwise, excellent performance.
Anonymous
Mar 06, 2026
Rating: 5/5
Reliable and compact
I've bought ten of these for our workshop. They are stable, connect quickly to networks, and the built-in USB chip makes programming very convenient compared to bare ESP modules.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect for IoT beginners
This board is incredibly easy to set up. I had it blinking an LED via WiFi within 15 minutes of unboxing. The form factor is tiny but fits perfectly on a breadboard.
Anonymous
Mar 03, 2026
Rating: 4/5
Solid for home automation projects
Using these to control smart lights around the house. They handle the load well and maintain a stable connection. Just ensure your power supply can handle the current spike during WiFi transmission.
Q: Is this compatible with the standard Arduino IDE?
A: Absolutely. You just need to add the ESP8266 board manager URL to your preferences and install the ESP8266 package by Hristo Gochkov.
Q: Does it support Over-The-Air (OTA) updates?
A: Yes, the WeMos D1 Mini fully supports OTA updates, allowing you to upload new sketches wirelessly once the initial code is uploaded via USB.
Q: Can this board be powered directly via the 5V pin?
A: Yes, the board includes a voltage regulator that converts 5V from the USB or VIN pin down to the required 3.3V for the ESP8266 chip.
Q: What is the maximum current this board can supply to external sensors?
A: The 3.3V pin can typically supply up to 600mA depending on your USB source, but it is recommended to keep loads under 200mA for stability.
Q: Can I use this with 5V logic sensors?
A: No, the GPIO pins operate at 3.3V logic levels. Connecting them directly to 5V logic sensors may damage the board. Please use a logic level converter.
Hairline Transplant | No-Shave Hair Transplant | 1-1500 Units Long Hair Planting for Natural Flow and Volume - Department Director Service
$25,800.00
Zhong Yao Xuan Shi Biao Small Regular Script Hard Pen Copybook, 1.8cm Column Width, Tear-Off Sheets for Precise Tracing – Source of Regular Script
$29.70
Chunfei Grocery Store Yun'an GR02 Gravel Bike Thru-Axle Disc Brake Lightweight Touring with Multiple Rack Mounts
$8,974.00
Anti-Tangle High-Strength Grade 100 Lifting Chain for Industrial Hoisting
$776.44
DIY Rose Essential Oil Handmade Soap Customization
$35.00
Adjustable Height Simple Storage Shelf - Wooden and Iron Bookcase, Steel-Wood Supermarket Display Rack
$256.00
DIY Handmade Soap Mold - Carnation Flower Rectangular Silicone Mold for Homemade Soap, Mother's Day Gift
$14.30
Fried Chicken Warmer Cabinet with Heat Lamp Small Single-Layer Insulated Box for Pies Youtiao Chestnuts and Roasted Sweet Potatoes Display Case
$500.00
Dried & Preserved Flower DIY Kit for Scented Candles – Ocean Style for Festivals, Team Building, and Workshops
$6.83
304 Stainless Steel Chain, Thickened Industrial Seamless Short/Long Link Chain for Lifting, Swing, or Dog Leash
$1.50
Large Bucket 502 Glue, Strong Instant Adhesive, Gold Material 502 Dry Glue for Leather, Metal, Furniture, and Plastic Bonding by Manufacturer
$1,893.00
Rectangular Plastic Vegetable Planter for Balcony - Durable Home Gardening Pot
$12.90
Chinese Painting Line Drawing Copybook, Gongbi Sketch Template, Large-Scale Tracing Album, Ancient Style Brush Control and Line Practice Book
$7.48
German Continental Tires 225/45R17 Run-Flat, 19-Inch Original Authentic with Full Tread Patterns
$380.00
Dynamic Sheet Music Simplified Notation Accompaniment for Electric Wind Instrument Saxophone Hulusi Ocarina Flute Bamboo Flute
$10.00
LL Industrial Lint-free Wiping Paper - Oil and Water Absorbent Non-woven Fabric (White/Blue Large Roll)
$185.82
Continental Quiet Used Car Tires 225/235/245/255/265-35/40/45/50 R17/18/19/20/21/22/23
$284.00
Negotiable Price: Siemens Load Cell 7mh4106-5ec11, Brand New Unused, Contact for Price Negotiation
$1,332.00
Premium Over-Toilet Storage Organizer, Wall-Mounted Bathroom Shelf, No Drilling Required, Multi-Function Toilet Rack
$31.76
Model 2000 Large Commercial Vegetable Cutter for Slicing, Dicing, and Cutting Leafy Greens and Kimchi
$11,000.00
Aromatherapy Candle Tool Set - Includes Igniter, Snuffer, Wick Trimmer, Flame Extinguisher Cover, and Rotating Carousel Ornament
$2.55
onlycook 304 Stainless Steel Kitchen Rack with Narrow Edge for Sink, Dishcloth Drainer, and Sponge Basket
$36.50
7-Piece Square Succulent Pot Set with Trays - Durable Plastic Colorful Root-Control Planters
$75.50
Minimalist Japanese Style Kitchen Sponge Brush Dish Soap Drain Rack Air-Dry Cloth Rack Sink Organizer Box
$21.00
PVC Cable Cover Speed Bump Style Wire Protector for Indoor Cables and Pipes
$9.10
Spiegel BGF-161 Portable Tire Stone Removal Hook - Multi-function Tool for Cleaning Car Tire Treads
$7.84
7A Natural Amethyst Purple Rabbit Hair Loose Beads for Women's DIY Bracelets and Snowflake Necklaces
$3.83
DIY Handmade Soap Silicone Mold, Essential Oil Soap, Creative Gift Soap Base and Aromatherapy Materials, Love Forever Design
$12.90
Flameless Aromatherapy Diffuser with Essential Oils, Dried Flowers, and Preserved Flower Decor
$13.60
DOUBLECOIN 7.00R16LT-14 (RSS2) All-Steel Radial Truck Tire - Economical and Wear-Resistant
$1,375.00
![[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)
