The ESP8266 ESP-01 WiFi Wireless Adapter Module is a compact and robust adapter designed for easy integration with microcontrollers. It features a 3.3V voltage regulator and an onboard level conversion circuit, making it compatible with both 3.3V and 5V systems. This module is ideal for use with Arduino UNO R3 or compatible boards, ensuring reliable WiFi connectivity in various environmental conditions.
Technical specifications
Working voltage: 4.5-5.5V (with onboard 3.3V regulator)