DiGiYes 3Pcs ESP8266 Serial Wi-Fi Wireless ESP-01 Adapter Module 3.3V 5V Compatible for Arduino

Features: - Operating Voltage: 4.5 - 5.5V - Working Current: 0 - 240mA - Interface Logic Voltage: 3.3V / 5V Compatible. - For ESP-01 Wi-Fi module A adapter module. - Onboard 3.3V LDO regulator, onboard level switching circuit. - The 3.3V voltage regulator and on-board level conversion circuit make it easy to use the 5V microcontroller with the Wi-Fi module of ESP-01. - This module is fit for Arduino UNO R3 or compatible board. - The baud rate is 115200 by default, which can be changed by using the AT command. - Wireless network mode: Station / SoftAP / SoftAP + Station. - Wireless standards: 802.11b/g/n, WIFI 2.4GHz, support WPA / WPA2 security mode. Package Include: 3 x ESP8266 ESP-01 WiFi Wireless Adapter Modules