Playing with Sonoff Zigbee & WiFi automation - Part 1: Hardware overview - CNX Software
Jak z hloupého osvětlení udělat chytré? A tentokrát i bez "nuláku"! I s PHILIPS Hue Bridge? - domotica.cz
AliExpress
SONOFF ZBMINI-L ZigBee Mini Smart Switch, 2 Way Light Switch, Compatible with Alexa, SmartThings Hub, Google Home and SONOFF ZBBridge, ZigBee 3.0 Hub Required, No Neutral Wire Required