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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

'How Amazon helped me transition to a woman'
16/11/2018 12:04 AM
Award for wartime flight trainer returned to service
16/11/2018 11:01 AM
EE and Virgin Media fined £13.3m for overcharging customers
16/11/2018 02:21 PM
Prince William criticises social media firms
15/11/2018 09:46 PM
Google's Alphabet gives up on rescue robots
15/11/2018 05:37 PM
Facebook accused of dark PR tactics
15/11/2018 01:49 PM
MiSafes' child-tracking smartwatches are 'easy to hack'
15/11/2018 12:09 AM
Japan's cyber-security minister has 'never used a computer'
15/11/2018 12:08 PM
Apple Stores to employ human trafficking victims
14/11/2018 07:12 PM
Call of Duty 'swatting' death prankster pleads guilty
14/11/2018 01:01 PM

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