1 Wire Keyboard Calculator 1.10

Free A tool for embedded system designers to implement a keypad using a single A/D input.
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1 Wire Keyboard Calculator is a tool designed to help embedded system designers implement a keypad using a single analog-to-digital converter (A/D) input. This calculator supports two to 64 key keyboards, although keyboards with more than 26 keys may be difficult to realize. 1-Wire keyboards offer lower electromagnetic interference (EMI) than scanned keyboards, and require fewer electrostatic discharge (ESD) protection components and just one pin on a microcontroller.

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