So when I saw a robot kit at the local store that had been originally $125 marked down to $20, I had to bite. There was only one problem. After I got the thing home ... have a few ESP8266 modules ...

Earlier modules to connect microcontrollers were sufficient for the task, but nothing could beat the ESP8266 on price. The RTL8710 dev kit Now, there’s a new module that’s even cheaper and ...