Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...

Key Digital has released its third-generation update of its KD-WP8 eight-button web-UI-programmable IP control wall plate keypad, featuring increased onboard memory for extended capability. The wall ...

Springfield, MO – Digital Monitoring Products (DMP) announces the release of their latest touchscreen keypad designed for residential and commercial applications. Compatible with all DMP’s XR and XT ...

Let’s rollback the hobby electronics calendar a few decades with [myvideoisonutube’s] alarm activation control circuit using a matrix style phone keypad. The circuit is quite old using CMOS 4081 with ...