ESP8266 ESP-01 wifi wireless transceiver adapter module serial module blue plate pass-through distance

For ESP-01 Wi-Fi module A adapter module. The 3.3V voltage stabilization circuit and the on-board level shifting circuit can make 5V microcontroller easy to use with Wi-Fi module of ESP-01.

In addition, this product can be used with Arduino's R 3 or compatible board.

  feature:

  Working voltage: 4.5 ～ 5.5V (3.3V LDO regulator on board)

Working current: 0-240mA

Interface logic voltage: 3.3V / 5V compatible (on-board level shift circuit)