I released esp8266 manager project for donate.
If this is not ideal, I'll quit this.
If any bugs come out, I'll try to fix it.
Do it at your own risk.
Switch firmware refer to : http://tskit.co.kr/zbxe/download/2587
Light firmware refer to : http://tskit.co.kr/zbxe/download/2777
DHT11 firmware refer to : http://tskit.co.kr/zbxe/download/2896
ACS712 firmware is here for different command.(sensor2)
https://play.google.com/store/apps/details?id=kr.co.tskit.ESP8266Multi