Let’s rollback the hobby electronics calendar a few decades with [myvideoisonutube’s] alarm activation control circuit using a matrix style phone keypad. The circuit is quite old using CMOS 4081 with ...

Martin Lewis has urged mobile phone users to dial a five digit code now - and screen grab the result. The money expert provided the advice to his ITV viewers on Tuesday night after revealing that ...

Money-saving expert Martin Lewis has delivered a crucial tip to all mobile phone users on his ITV show - advising them to dial a specific five-digit code immediately and take a screenshot of the ...

Martin Lewis has urged everyone with a mobile phone to dial a five digit code now - and screen grab the result. The money expert issued the advice to his ITV viewers on Tuesday night after revealing ...