ESP Home coding for the SPP04G/SPP02G wifi variants
https://www.ikuu.com.au/?attachment_id=22698
GPo04 Button 1
GPo05 Status LED
GPO12 Button 2
GPO13 Relay 1
GPO14 Relay 2
uses the hlw8012 for power monitoring https://itead.cc/sonoff/introducting-the-hlw8012-ic-in-the-sonoff-pow/ which i have not yet implemented