Office - 5, 117-c Jami Commercial, Street No. 13, D.h.a Behind Axact Building, Karachi, Nazimabad, Karachi, Sindh, Pakistan
With this sound activated switch, control by sound may be very useful, not just on a robot but also for a bit of home automation, for example a sound-activated light responding to a knock on the door or a hand clap. The light will be automatically switched off after a few seconds. An alternative use is burglar protection — if someone wants to open the door or break something the light will come on, suggesting that
Light on for 30 secs
only activate in dark ( optical switch attached)
saves electricity / bill
activate with (clap / whistle / any sound)
Mention that you found this ad on DealMarkaz.pk when you call.