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Phone Busy Indicator

This simple circuit gives a clear indication when the phone is use - handy for those who still need dial-up for Internet access.

 

BBC News - Technology RSS feed

Smart luggage firms close because of airline battery rules
18/05/2018 12:19 PM
US mugshot website owners face criminal charges
18/05/2018 11:41 AM
Cambridge Analytica starts bankruptcy proceedings in US
18/05/2018 09:31 AM
Broadband speeds 'far slower than in ads'
17/05/2018 11:03 PM
Airbnb to report homeowners' income to Danish tax authorities
18/05/2018 10:56 AM
PayPal acquires Swedish payments firm iZettle
17/05/2018 11:02 PM
How VR could bring Glastonbury into your living room
17/05/2018 10:42 PM
China car app Didi updates safety measures after murder
17/05/2018 10:37 AM
YouTube unveils new music streaming service
17/05/2018 08:54 AM
UK 'leading world' in compassionate technology
17/05/2018 02:01 AM

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