Any X-Y switch matrix can be considered with this circuit, which simplifies decoding of the common 4x4 keypad matrix and eliminates having to scan rows or columns. Using eight digital inputs, this ...

Analog Devices, Inc., has introduced a mobile I/O expander and QWERTY keypad controller with ambient light sensing for smart portable devices that require a large keypad matrix and expanded I/O lines.

NORWOOD, Mass.--(BUSINESS WIRE)--Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal processing applications, introduced today the ADP5585 and ADP5589 GPIO ...

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 ...

Annoying though they can be, if you play any kind of instrument, you will definitely benefit from using a metronome. While many of them thock or otherwise tock, the VRRVRR metronome from [Turi] works ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad ...

Analog Devices has launched the ADP5585 and ADP5589 general purpose input/output port expander and keypad matrix controller for devices that require expanded I/O lines or mechanical keypads up to ...

The latest addition to the popular CapSense Express capacitive touch-sensing controller line, the CY8CMBR2016 device enables designers to implement capacitive matrix button systems up to 4 x 4 buttons ...

The Reveal from Pantech seems like an oddball phone at first. Why would you put a numeric keypad on a phone, and then a QWERTY keyboard right below that on a slide? The way Pantech explained the ...

Instructables user [Rohit] had an out-of-warranty microwave with a broken membrane keypad. Much like our friend [Alexandre] from Brazil, he found the cost of replacement parts beyond reasonable, so he ...