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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

UK seeks future cyber-security stars
18/11/2017 12:33 AM
Apple delays launch of smart speaker
17/11/2017 05:19 PM
Germany bans children's smartwatches
17/11/2017 03:47 PM
Tech to cut young drivers' insurance bills
17/11/2017 10:01 PM
Gamers' anger halts Star Wars Battlefront II payments
17/11/2017 11:01 AM
Net filters help avoid dodgy domains
17/11/2017 04:51 PM
Unilad Facebook account blocked
17/11/2017 03:02 PM
Fullscreen 'YouTube Red rival' to close in January
17/11/2017 09:26 AM
Far-right accounts lose Twitter verified tick
16/11/2017 11:16 AM
Cash Converters reveals customer data breach
16/11/2017 12:44 PM

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