low cost wifi shield

ESP8266: Using a seeeduino to talk to the ESP8266 module directly

I recently received two of these shiny new Wifi modules from China and had to test them out. In many posts around the web they say you should use a [...]

Turn on/off USB Power on TL-MR3020 running OpenWrt to restart Arduino

In a later blog post I will describe how I am using a TL-MR3020 router as low-cost wifi shield for my Arduino to transmit sensor data over wifi. In this post [...]