Nodemcu ESP8266 Wifi Development Board

Onboard esp-12 module onboard usb to uart converter usb port for power input, firmware programming, or uart debugging 2x15pin extension headers, breakout all the pins of esp-12 module 2x keys, used as reset or user-defined specifications wifi module: esp-12 processor: esp8266 built-in flash: 32mbit antenna: onboard pcb antenna peripheral interface: uart/spi/i2c/sdio/gpio/adc/pwm wifi protocol: ieee 802.11 b/g/n frequency range: 2.4g ~ 2.5g (2400m ~ 2483.5m) wifi mode: station / softap / softap+station power supply: 5v logic level: 3.3v dimensions: 48.26mm x 25.4mm the nodemcu suit for iot applications such as: smart home intelligent building industrial automation wearable devices ip camera intelligent agriculture delivery services available