Adapter module for ESP-01 Wi-Fi module3.3 V voltage regulator circuit & onboard level conversion for easy use of 5 V microcontroller with ESP-01 Wi-Fi moduleCompatible with Uno R34.5 ~ 5.5 V (on-board 3.3 V LDO Regulator)Interface logic voltage: 3.3 V / 5 V compatible (on-board level shift)Current: 0 – 240 mA
