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.
Liupintang Calligraphy Felt Mat – Traditional Chinese Style Cultural Creative Painted Desk Pad for Brush Writing, Practice, and Ink Painting
$19.30
Shengneng Commercial Air Source Heat Pump Host KFXRS-40â…¡
$45,000.00
Yiyi Electric Pad Printing Ink Cups (150/175/300/380) - Magnetic Doctor Blade Ink Wells for Coding Machines
$68.00
ML-150 Standard Material Leveling Machine - Economical and Practical Model
$11,780.00
3-in-1 Multi-Function Paint Brush Washer with Palette Compartments for Art Students
$5.02
Silicone Dental Retainer Case - Portable Storage Box for Orthodontic Aligners & Dentures
$19.30
Natural Crystal Raw Stone Aroma Diffuser Ornament Rose Quartz Crushed Stone Rough Ore Home Flameless Aromatherapy Healing Gift
$3.90
Blue Scale Line Printing Machine Pad with Ruler Markings for Water-Based Ink Printing
$80.00
Sponge Drain Rack for Kitchen Countertop - No-Drill Sink Organizer for Cloths and Narrow Edge Faucet Storage
$5.80
Kids' Art Round Sponge Stamp Brush for Kindergarten DIY Crafts, Mushroom Head Painting Tool
$3.59
Caiyan Art Blending Stumps for Oil Pastels and Sketching – Washable EVA Tips for Smooth Color Transition; Non-Staining, Ideal for Art Students
$6.50
Paper Blending Stump Set for Sketching, Oil Pastels, and Highlighting – Ultra Soft
$3.83
Tire Stone Removal Hook with Built-in Screwdriver - Multi-Function Tool for Tire Cleaning, Window Breaking, and Self-Defense
$8.90
Blower Motor Compatible with Hummer H3, Hummer H2, and Cadillac Escalade
$340.00
Custom Fertilizer Integration Machine for Agriculture and Landscaping - Smart Quantitative Mobile Filtration System
$1,960.00
High-Speed Cell Sieve with Handle - Stainless Steel Laboratory Sieves (100, 200, 300, 400, 600 Mesh)
$61.74
Stainless Steel Food Warmer for Hotels and Breakfast Buffets - Commercial Flip-Top Chafing Dish with Insulation; Compatible with Induction Cookers
$1,288.00
Marie's Blending Stumps Set for Sketching and Shading, Professional Art Supplies for Students
$2.55
National Standard JB/ZQ4606-86 Felt Oil Seal Ring - Bearing Oil Absorption, Dustproof, Industrial Wool Felt Gasket Strip
$0.50
Qingzhu Sketching Eraser Knife and Paper Stump Tool Set for Art Students - Includes Replacement Tips, Gray Surface Pens, Makeup Sponge Blenders, Cotton Swabs, Foam Balls, Soft Blending Pens, Precision Insert Knives, and Sketch Eraser Balls
$7.20
4-Leg Chain Rigging Set - Alloy Steel Lifting Tool (1-200 Tons) with Multi-Leg Electromagnetic Chuck
$52.50
Commercial 1.8/2.2m Food Warmer Cabinet for Fried Chicken and Burger Shops, French Fry Heating Unit, 1.5m Two-Way Pickup Display Case
$3,573.50
Commercial Electric Heated Stainless Steel Fast Food Serving Counter Soup Warmer Buffet Cart
$842.00
Natural Crystal White Azeztulite Loose Beads with Rainbow Luster for DIY Necklaces, Bracelets, and Jewelry Making
$5.54
Ai Zao Fang Six-Cavity Oval Totem Handmade Soap Silicone Mold - Yields Approx. 115g per Bar
$17.70
Zunjue Wire-Bound 8K Watercolor Notebook 300g Watercolor Sketchbook Loose-Leaf Portable 16K Water-Soluble Colored Pencil Notebook Coil-Bound 32K Medium Coarse Fine Grain 200g Kids Students A4 Watercolor Notebook Plein Air Sketch Drawing Book
$7.65
Yuan Dynasty Calligraphy by Zhao Mengfu - Small Regular Script Diamond Sutra Brush Tracing Long Scroll Copybook, Original Version, Wholesale and Customization Available
$15.00
Kodak Photo Printing Service - High-Definition Prints from Your Phone with Lamination and Album Binding
$12.47
Shenzhen Custom Storefront Signage and Lightbox Installation - Illuminated Letters and Shop Plaques
$50.00
Automotive AC Refrigerant Gauge Set – R134a Pressure Meter with Dual Valve Tool for Home R22/R410 Air Conditioning Systems
$329.00
![[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)
