Punch cards were a standard form of program and data storage for decades, but you’d never know it by looking around today. Card punches and even readers are becoming rare and expensive. Somet… ...

Considering you just can’t go down to Fry’s and buy an IBM 80-column punch card reader, we’re loving [digitatrails]’ clever way of getting data off an otherwise unreadable storage medium.

DO NOT connect in any ways the main power supply that drive the LOAD to the arduino and transistor circuitry! Turn OFF the relay with delay You can use this code example to introduce a delay in your ...

The card reader can be used two further enhance both Arduino and Raspberry Pi projects and is now available from just C$21 or roughly £13 with worldwide delivery expected to take place during ...

The Arduino – compatible VM800P ‘PLUS boards’ are based on the company’s FT800 EVE graphic controller devices, in which display, audio and touch functionality are all integrated onto a single chip.

compact, 3U PXI slot. The card provides three different software-controlled modes: normal, break-before-make, and mux. In normal mode, any relay can connect to or disconnect from any bus at any time.