Sonoff 4ch Schematic. Sonoff 4ch is a 4 channel 4 way din rail mounting wifi switch that can independently control the 4 home appliances. Wi fi smart wall switches.
Just push it during powering on for 3 seconds and release. The sonoff 4ch features four hardware buttons. Toggle all switches up 1111 the inching time will delay for 1s.
If you have 4ch r2 v1 0 hardware the gpio0 is available as l1 switch you don t need to solder additional cable to the pcb.
If you have 4ch r2 v1 0 hardware the gpio0 is available as l1 switch you don t need to solder additional cable to the pcb. The sonoff 4ch features four hardware buttons. Summary of contents for sonoff 4ch pro page 1 sonoff 4ch pro r2 user guide hi welcome to use sonoff 4ch pro. 4chr2 pror2 wi fi smart switch.
