An ESP-01 Adapter 3.3V 5V Board for ESP-01 Wi-Fi module 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 Note: Package will include only one ESP-01 Adapter board without an ESP-01 module. Features: On-board level shift circuit. Arduino UNO R3 and the compatible board can directly connect to this module. Interface logic voltage: 3.3V / 5V compatible (On-board level shift circuit). Specifications: Working voltage 4.5V ~ 5.5V Working current 240mA Length 47.5mm Width 24mm Height 11.5mm Weight 4 gm Package Includes: 1 x ESP-01 Adapter 3.3V 5V Board *Product Images are shown for illustrative purposes only and may differ from actual product.
