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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

Leaks 'expose peculiar Facebook moderation policy'
22/05/2017 09:03 AM
Windows 7 hardest hit by WannaCry worm
22/05/2017 11:27 AM
Virtual rabbits 'culled' in Second Life
22/05/2017 11:43 AM
Bitcoin hits $2,000 trading high point
22/05/2017 01:58 PM
UK firm designs 'world's most affordable solar lamp'
22/05/2017 10:11 AM
BBC fools HSBC voice recognition security system
19/05/2017 12:21 AM
General election 2017: Illegal content sanctions threat
19/05/2017 04:48 PM
Text-to-switch plan for mobile users
19/05/2017 12:31 PM
FCC votes to overturn net neutrality rules
19/05/2017 10:08 AM
London City first in UK to get remote air traffic control
19/05/2017 08:32 AM

Hosted by Kieran O'Shea