How Do You Make A Doorbell For Deaf Person?
• Buy a radio-doorbell. This is a doorbell where the button sends out a radio signal which triggers a speaker.’; } s += “”; document.write(s); return; } google_ad_channel = ‘+7733764704+1640266093+9911500640+9016233241+8962074949+8941458308+8509902424+8509902424+9683278076+7122150828’ + xchannels + gchans; google_ad_client = “pub-9543332082073187”; google_ad_output = ‘js’; google_ad_type = ‘text’; google_feedback = ‘on’; google_ad_region = “test”; google_ad_format = ‘250x250_as’; //–> • Choose another method to alert the deaf person. An electronic motor and weight work will make the speaker unit wobble gently, or a light wired to the speaker will light up. A schematic for a doorlight can be found at http://www.zen22142.zen.co.uk/Circuits/Misc/deafdoorbell.htm • If you don’t know your electronics, don’t try to wire extra components into the speaker unit. Get one of those sound-activated dancing novelty toys, and turn its sensitivity down but keep the speaker near it. Calibrate the sens
