The circuit was designed to illustrate the operation of an electronic keypad to be utilized in the burglar alarm system by having five keys as the security syntax. The circuit was designed to ...
Carlsbad, Calif. — Linear LLC has upgraded its standalone AK series of access entry keypads by adding new programming features. The new AK-11, AK-21W and AK-31 will replace the older AK-1, AK-2W and ...
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