Money expert Martin Lewis says mobile phone customers can save money by sending a text to a 5-digit number.

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 ...

Financial guru Martin Lewis is encouraging individuals to send a text message containing a five-digit code in order to reduce their mobile phone bills.

Martin Lewis tells 14m people with phones to text 5-digit code The Money Saving Expert founder warned that most people are "massively" overpaying.

The circuit is quite old using CMOS 4081 with 4 ‘AND’ gates to hardwire the access code. [myvideoisonutube] references [Ron’s] “ Enhanced 5-Digit Alarm Keypad ” schematic for this build ...