Wifi enabled OLED display using ESP8266 and NodeMCU

My second IoT  project,  a web enabled 0.96 OLED display. This project uses a ESP8266 (NodeMCU firmware) and a 0.96'' monochrome OLED . I have created a HTML based web interface which allows sending text and graphics to the display.

This display is portable and runs  on 4 AA batteries and can be used in many interesting ways.

Here is the link to a video showing off capabilities of the display:

For detailed schematics and code, please visit my website : http://ashishware.com/WifiDisplay.shtml 

Wifi network detector using ESP8266 and NodeMCU

A simple wifi network detector using ESP8266 and NodeMCU. It consists of single LED and ESP8266. The device is pre-programmed with network Id of wifi network which needs to be monitored. If the wifi network is in range the LED glows steady , else it starts blinking.

Checkout the video:

Visit my website for complete article on this along with source code for ESP8266:

http://ashishware.com/WifiDetector.shtml