Today, Coin announced that it will offer up an Arduino Bluetooth Low Energy module that's designed to be small and easy to integrate into hardware hacks and products of all kinds.

Change-counting machines seem as quaint as dialing a rotary telephone, but they're making a comeback with some banks.

Teenagers with time to sort through hundreds of gold coins are making a fortune with 'coin noodling' but not everyone is impressed by the money-making craze.

QR based coin vending machine: What we know so far 1) The Reserve Bank of India will launch a pilot project on QR Code based Coin Vending Machine (QCVM) in 12 cities.

Called the 'RFduino' and making full use of the nRF51822's powerful on-board 32-bit ARM Cortex M0-based processor, this fully FCC and CE-compliant 2.4 GHz wireless coin-sized micro-computer is ...