nodemcu_oled_wifiscanner

simple example

setup

hardware used:

• NodeMCU V3
• Adafruit OLED Display 128x64 px
• Breadboards

function

the nodemcu makes use of wifi and i2c/display driver

it will scan for wifi networks and prints out information via serial connection and on display

hint: i read, that the order is based on signal strength. but that does not seem to be true

wiring

https://randomnerdtutorials.com/esp8266-pinout-reference-gpios/ Section: ESP8266 12-E NodeMCU Kit

Display <> NodeMCU

Display	Pin Label	Pin Description
VCC	3V	3.3V
GND	G	GND
SCL	D1	GPIO5
SDA	D2	GPIO4

thanks to

http://en.radzio.dxp.pl/bitmap_converter/

picture of the running setup