3PCS GEEKCREIT ESP8266 SERIAL WI-FI WIRELESS ESP-01 ADAPTER IN SOUTH AFRICA

Description:   A adapter module for ESP-01 Wi-Fi module. 3.3V voltage regulator circuit and onboard level conversion circuit can make 5V microcontroller easy to use with ESP-01 Wi-Fi module. Also, the item can be used with Arduino UNO R3 or compatible board. Here is  schenmatic:    Features:   Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator) Working current: 0-240mA Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit) Note: The item can be used with item ,  item   947259   is not included! Package included: 3 x ESP-01 Adapter module