More about Doorbell (13)

17-12-2020 | Touch keys are a ubiquitous these days, but there was a time (whether you believe it or not) when they were something very special! Let's ta...

24-06-2019 | Wireless doorbells have been around for many years, but they have limited range. Besides more pleasing sounds than a loud DRRRING from a wir...

28-04-2019 | Wifi connected doorbell ... use google home as chime !

6-03-2018 | El-cheapo wireless doorbells across the globe are so unoriginal it makes you wonder how much more e-rubbish we can tolerate in and around ou...

26-12-2017 | Several companies sharing the same building all need a separate doorbell for visitors. The exterior of the buidling may not be altered. Do y...

26-12-2017 | Several companies sharing the same building all need a doorbell for visitors. The exterior of the buidling may not be altered significantly....

13-09-2016 | Build your hi-tech doorbell with this HAT-board for the Raspberry Pi. You’ll know who rings at your door even while you are away from home....

28-07-2015 | Do you want to know who ring at your door but you are too far from your home? This system works with a Raspberry Pi and a GSM-BoB module. If...

1-02-1997 | We recently came across an interesting lC which makes digital recording and playback of short messages and other sounds easier than w...

1-12-1996 | This circuit ensures that impatient callers or naughty children cannot make an electric doorbell ring continuously. It limits the time t...