ESP-01 Adapter 3.3V 5V (OT2010-B72)

Adapter to connect an ESP-01 ESP8266 module to a 5V microcontroller such as an Arduino UNO. The board provides a 3.3V power supply for the ESP-01 and has a level converter for the RX and TX pins. Dimensions Length: 4.2cm Width: 2.5cm Height: 1.2cm