Anyone has a backup of this link : https://www.zigbee2mqtt.io/how_tos/how_to_esp8266_with_cc2530.html

Can’t find it anymore

The internet archive has it:

https://web.archive.org/web/20190502043724/http://www.zigbee2mqtt.io/how_tos/how_to_esp8266_with_cc2530.html

Thanks. Just saved the html.