D1 mini V3.0.0 development board with ESP8266, 4 MB flash and built in WiFi

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The D1 mini V3.0.0 is a compact development board based on the ESP8266EX microcontroller with built in WiFi and 4 MB of flash memory. It is designed for IoT applications and is ideal for wireless sensors, home automation, control systems and other projects that require a small and power efficient microcontroller with network connectivity.

The board is easily programmed through the Micro USB connector and is compatible with Arduino IDE, MicroPython and NodeMCU. The integrated WiFi interface allows direct connection to a wireless network without requiring additional hardware.

The D1 mini V3.0.0 provides 11 digital input and output pins with support for PWM, interrupts, I2C and OneWire on all digital pins except D0. It also includes one analog input capable of measuring analog signals up to approximately 3.2 V.

Its compact size makes it suitable for embedded applications where space is limited. A wide range of compatible expansion boards and accessories allows easy integration of relays, displays, sensors and other modules.

The board operates with 3.3 V logic levels and is a popular choice for both beginners and experienced developers building connected IoT projects.

Facts.
Product name: D1 mini V3.0.0 WiFi IoT Development Board
Microcontroller: ESP8266EX
Processor: Tensilica L106 32 bit
Clock frequency: 80 MHz, up to 160 MHz
Flash memory: 4 MB
Wireless connectivity: WiFi IEEE 802.11 b g n 2.4 GHz
Programming support: Arduino IDE, MicroPython, NodeMCU
USB connection: Micro USB
USB to serial interface: CH340 or compatible depending on manufacturer
Digital I O pins: 11
PWM support: Yes
Interrupt support: Yes, on all digital pins except D0
I2C: Supported
SPI: Supported
UART: Supported
OneWire: Supported on all digital pins except D0
Analog input: 1
Maximum analog input voltage: Approximately 3.2 V
Logic level: 3.3 V
Power supply: 5 V via Micro USB or 5 V pin
Built in WiFi: Yes
OTA updates: Supported
Board format: D1 mini
Compatible expansion boards: Yes
Applications: IoT, home automation, data logging, sensors, control systems, web servers, MQTT and wireless projects
Dimensions: Approximately 34.2 x 25.6 mm

Included.
1 pc module.

About the product.
Weight: approx 11  gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3432
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-08-03

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