ESP8266 ESP01 Module 5V Power Adaptor Board

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Run your ESP01 module efficiently and in a reliable manner with 5V development boards such as Arduino Uno using this power adaptror board from PMD Way. ESP01 modules require 3.3V a t up to ~350mA to operate, and also communicate via serial at 3.3V. Although it is tempting to do so, you can't directly power and wire your ESP01 to a regular Arduino Uno or 5V board and expect it to reliably work. Thus the adaptor board is born. It has three functions: Power and serial pin breakout to convenient inline header pins Onboard 3.3V power regulator with an input range of up to 12V DC Onboard level converter to allow serial connection to a 5V development board Problem solved! Show more