Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	ESP8266EX
Flash Memory	4MB (ESP-12F)
Operating Voltage	3.3V
Input Voltage	5V via Micro USB or VIN pin
Digital I/O Pins	11 (D0-D8, RX, TX)
Analog Input Pins	1 (A0, 0-1V range)
Wi-Fi Standard	IEEE 802.11 b/g/n
Programming Interface	Micro USB (CH340G chip)
Dimensions	25.6mm x 17mm
Supported IDEs	Arduino IDE, NodeMCU Firmware, ESP-IDF

6 reviews

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for IoT prototypes

This D1 Mini is incredibly small yet powerful. I used it to build a smart home temperature sensor, and the Wi-Fi connection was stable right out of the box. The pinout is clearly labeled, making wiring a breeze.

Anonymous

Mar 23, 2026

Rating: 5/5

Best bang for your buck

Compared to other ESP8266 boards, the form factor of the D1 Mini is unbeatable. It fits easily into small enclosures. The Lua support is a nice bonus if you prefer that over C++.

Anonymous

Mar 22, 2026

Rating: 5/5

Compact and reliable

I've bought ten of these for a classroom project. They are robust, handle 5V input well thanks to the regulator, and the CH340 driver works fine on both Windows and Mac. Highly recommended for education.

Anonymous

Mar 21, 2026

Rating: 5/5

My go-to development board

I use these for all my custom home automation nodes. They connect quickly to MQTT brokers and have enough GPIO pins for most sensors. The community support for this specific board is massive.

Anonymous

Mar 20, 2026

Rating: 4/5

Great value, minor learning curve

As someone new to embedded systems, this board was affordable enough to experiment with. Setting up the Arduino IDE took a few tries, but once configured, uploading sketches was fast. Just wish the analog pin range was wider.

Anonymous

Mar 15, 2026

Rating: 4/5

Solid performance

Works exactly as described. The only reason for 4 stars instead of 5 is that the included headers were not pre-soldered, so I had to do that myself. Otherwise, no complaints about functionality.

5 FAQ

Q: Does this board come with headers pre-soldered?

A: No, this version typically comes without pre-soldered headers to allow for flexible mounting options. You will need to solder them yourself or use female header sockets.

Q: Can I power this directly from a 5V USB charger?

A: Yes, the board features an onboard voltage regulator that converts 5V from the Micro USB port or VIN pin down to the 3.3V required by the ESP8266 module.

Q: Can this run MicroPython?

A: Yes, the ESP8266 chip on the D1 Mini is fully compatible with MicroPython. You can flash the MicroPython firmware using tools like esptool.py.

Q: Which driver do I need for Windows 10?

A: This board uses the CH340G USB-to-UART bridge. You will need to install the CH340 drivers, which are widely available online, to recognize the board in your IDE.

Q: Is the A0 pin capable of reading 0-3.3V signals?

A: No, the A0 analog input pin on the ESP-12F module is limited to a 0-1V range. Applying voltages higher than 1V may damage the pin. Use a voltage divider for higher voltages.

Explore your interests

Original STC32G12K128 Core Board 32-bit 8051 Microcontroller Learning Development Board with USB Download and Programming

$22.63

Single-Channel Motor Driver Module TC118S Compatible with Arduino Development Board ESP32 STM32 Microcontroller

$2.00

Arduino DUE Development Board 32-bit ARM Controller A000062 Italian Official Original Import with Cable

$299.00

Photoresistor Module Brightness Automatic Control DC5V 12V Light-Control Relay Light Switch Sensor Induction

$8.41

Serial SHT20 Chip Temperature and Humidity Sensor Test, SHT30 Chip Measurement and Monitoring Module by Viter Intelligence

$11.00

STC12C5A60S2 Microcontroller Development Board 1T Core TFT Color Screen 51 Learning Experiment Board with Tutorial and Source Code

$321.00

Magnetic Circular Counting Chips, Two-Sided Flip Coins for Elementary Math, Kindergarten Early Education, Ten-Frame Matrix, Addition/Subtraction within 10 & 20, Teaching Tools

$11.90

HC-SR501 Human Motion Infrared Sensor Module Compatible with Arduino micro:bit Eco-Friendly

$7.50

SANSI White Label Class A Glass Graduated Cylinder C18 Micro-Precision Demulsification Cylinder with Scale Measurement Includes Certificate Ground Joint Stopper Hexagonal Bottom Borosilicate Glass Lab Equipment

$3.68

EV2400 Battery Unlock Fuel Gauge Programmer MSP430 HPA500 Evaluation Module Interface Board SMBus

$323.00

Cube Three-View Teaching Aid with Grid - 3D Geometry Observation Tool for Grades 4-5 Math (2cm Cubic Blocks Set)

$15.10

OrangePi Orange Pi Zero3 Zero 3 Development Board Allwinner H618 Orange Pi

$228.00

Zave MAX30100 MAX30102 Module for Blood Oxygen, Wrist Heart Rate, Pulse, and Heartbeat Detection

$3.39

12V Stable Version Light-Control Switch No-Light Sensing with Extension Cable Photoresistor Plus Relay Module

$49.20

STM32 Smart Car 51 Microcontroller Arduino Obstacle Avoidance Chassis Kit Mecanum Wheel Robot Car

$40.80

Tech Small Production Small Invention DIY Piano Electronic Keyboard Real Playable Science Small Handmade DIY Materials

$33.00

[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range

$23.65

Transparent 3D Geometric Model Perspective Decomposition Graphic Teaching Aid, Complete Set for Elementary Grades 1-6 Math

$6.80

DHT22 Single-Bus Digital Temperature & Humidity Sensor AM2302 Module Electronic Building Blocks

$10.42

Waterproof Ultrasonic Ranging Module / Dual-Probe Ranging / JSN-SR04T / 0 Blind Zone Robot Obstacle Avoidance

$28.00

STM32F407ZGT6 ZET6 VET6 Development Board STM32 Core Board M4 ARM System Expansion Board Learning

$56.74

Luckfox RV1106 Luckfox Pico Pro/Max Linux Development Board Cortex A7 Processor

$139.00

STM32 Development Board ROS Robot Controller Encoder Motor Servo Driver Board Control Board Expansion Board

$23.00

Gradient Visual Illusion Kit: Electric Rotating Assembly Toy for Maker DIY, Paintable Handmade Model

$8.72

51/AVR Microcontroller Core Development Board STC89C52RC/51MCU Experiment Board/ATMEGA32 Learning Board

$37.90

[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set

$15.00

GY-30 302 Digital Light Intensity Illuminance Sensor BH1750FVI Module Light Sensor Ball

$7.41

Foldable Clothes Drying Rack Floor Standing Home Balcony Bedroom Hanging Clothes Quilt Drying Artifact Outdoor Cooling Rod Indoor Drying Rack

$47.10

Metal Detector Module Non-Contact Metal Induction Sensor Detection Module Metal Detector

$8.70

ESP32-CAM Development Board Test Board with WiFi+Bluetooth Module, ESP32 Serial Converter, Includes OV2640 Module

$6.99

Ai-Thinker Popular Bluetooth BT5.0 Transparent Transmission Module Control Board Kit Mesh Networking TB-02-Kit Development Board

$17.90

Xuefen Geometry Stamping and Tracing Set for Grades 1-2, 3D and 2D Ink Pads, Math Learning Tools, Cube and Cuboid Models

$4.51

Rubber Tire Toy 4WD Smart Car Wheels Car Model Robot Accessories (Suitable for 2mm Axle)

$0.50

E18-D80NK Infrared Obstacle Avoidance Sensor Proximity Switch Smart Robot Car 10-80cm

$6.30

OPT3001/3002/3004 Ambient Light Sensor Module Measures Visible Light Density Digital Optical Sensor

$8.14

51 MCU Minimum System STC89C52 DIP40 Through-Hole Smart Car Main Control Board Learning Experiment

$19.80

Outdoor Adventure Kids' Insect Observation Box with Magnifying Glass, Boys & Girls Toy for Exploration, Butterfly Catching and Fish Scooping Tools

$7.80

Risym Laser Head Sensor Module Suitable for Laser Module Expansion Board Laser Sensor Development Board

$2.82

Freeze-Dried Chicken Treats for Dogs: Nutritious Weight-Gain Breast Meat Chunks for Puppies – Teeth Cleaning, Grain Mixing, Universal Use

$3.90

Soil Moisture Sensor Probe Soil Moisture Meter Detection Module Sensor Separate Probe

$2.39