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.
Connection Diagram:

Package Includes:
1 x ESP-01 Adapter 3.3V 5V Board
M5STACK FIRE IoT Development Kit (PSRAM 2.0) V2.6
Ai Thinker ESP-12S ESP8266 Serial WiFi Module 











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