Always press 'cancel' button twice before inserting the card in ATM machine. If anyone has set up the key pad to steal your PIN code, this will cancel that set up.

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

The best part about this hack is that pack of 15 button pins is $8.87 from eBay Australia (!!), and you can buy them in a range of different styles — silver, gold, clear — to suit your jeans ...