Wemos D1 Mini V4 ESP8266 USB-C (OT3398)

The Wemos D1 Mini V4 ESP8266 is a compact and versatile development module ideal for building your IoT (Internet of Things) projects. The module is based on the powerful ESP8266 chip, allowing you to easily connect to Wi-Fi networks and take advantage of the chip's extensive capabilities. Thanks to its small size and excellent price-performance ratio, the Wemos D1 Mini V4 ESP8266 is the perfect choice for both beginners and experienced developers.
Technical specifications:

Microcontroller: ESP8266EX
Clock frequency: 80 MHz (overclockable up to 160 MHz)
Flash memory: 4 MB
SRAM: 80 KB
GPIO pins: 11 (expandable via I2C, SPI, UART)
Supply voltage: 3.3V
Input voltage: 4.5 - 9V (via micro USB or external power supply)
Wi-Fi: 802.11 b/g/n (2.4 GHz)
Wi-Fi Modes: Station, Soft Access Point, Wi-Fi Direct
PCB Size: 34.2 x 25.6mm
Weight: 10g

Key Features:

Powerful ESP8266 chip for fast processing and wireless communication
Compact size, ideal for space-saving projects
Easy power supply via Micro USB or external power supply
Compatible with Arduino IDE
Extensive support for I2C, SPI and UART, allowing for the connection of numerous sensors and peripherals
OTA (Over-The-Air) firmware updates possible
Support for MQTT, REST, ThingSpeak and many other IoT protocols

Included in the package:
1x Wemos D1 Mini V4 ESP8266 development module 2x 8-pin headers (male) 1x 8-pin header (female)