A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...
Essentially, the Corsair Flash Padlock is the same conceptual gear as what kept your high school locker free from prying eyes — a combination lock. It’s very much a traditional thumb drive with a pull ...
If you’ve scavenged some random keypads and want to reuse them in a project without the hassle of figuring out the pinouts, then [Cliff Biffle] has an interface module for you. The Keypad Go connects ...
A US company has come up with an original take on ultra-secure portable storage, fitting a full PIN entry keypad to a USB stick. A US company has come up with an original take on ultra-secure portable ...
This week, Google introduced Gboard to Wear OS in one of the first wearable app launches in quite some time. One related benefit of Gboard is a much better keypad for entering your PIN on the Wear OS ...
Traditionally, interfacing a microcontroller with an n-by-m keypad required n + m of the microcontroller's I/O pins for keypad scanning. Keypad designs that conserve microcontroller pins have been ...
The Kingston IronKey Keypad 200 USB drive has XTS-AES 256-bit hardware-based encryption to FIPS-140-3 Level 3 military-grade levels. I take a reasonably libertarian approach to life and am not overly ...
This idea builds on a previous IFD, "Connect Any Keypad With Any Microcontroller Using Only One Pin" (electronic design, May 1, 1998, p. 126), where a 555 timer connects a keypad switch matrix to a ...
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