I had some fun with ESP8266 and 422mHz sockets a few months back, but it did work. I planned to try infrared on ESP8266 so am interested to see how you go on.
Re the cpu - you can test at the slower clock speed for yourself with this command: E.setClock(80);
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I had some fun with ESP8266 and 422mHz sockets a few months back, but it did work. I planned to try infrared on ESP8266 so am interested to see how you go on.
Re the cpu - you can test at the slower clock speed for yourself with this command:
E.setClock(80);