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 ...
During 2015 Storm introduced the first in a new generation of toughened access control keypads featuring HID® iCLASS® and SEOS® contactless technology. These products are now available from the ...
The AT-VKP-8E provides IP-based system control in environments where a straightforward keypad interface is preferred, such as standard classrooms and small meeting spaces. When you purchase through ...
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 ...
In most keypads, pressing a key closes a contact that bridges two lines in an xy matrix. If you use a microcontroller to detect a key closure, checking the states of (x+y) lines requires an equal ...
APEM has announced the introduction of its new PKD, PKI, and PKR series of advanced CANbus keypads. These compact, durable keypads offer […] ...
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 ...
Three core configurations, with extensive button, light, dial and other customizability, enable vehicle manufacturers to ...
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