Description

Adapter module for ESP-01 Wi-Fi module
3.3 V voltage regulator circuit & onboard level conversion for easy use of 5 V microcontroller with ESP-01 Wi-Fi module
Compatible with Uno R3
4.5 ~ 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