Author - Mehmet Efe Ozbek

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Mehmet Efe Ozbek	Write for Electronic Design
Mehmet Efe Ozbek is an assistant professor in the Electrical and Electronics Engineering Department at Atilim University, Incek, Golbasi, Ankara, Turkey. Email address: efe_ozbek@atilim@edu.tr
1 results found for Mehmet Efe Ozbek, displaying items 1 - 1

August 16, 2007 [Ideas For Design]
Power-Saving Keypad Controls Multiple Keys Through One MCU Pin
Traditionally, interfacing a microcontroller with an n-by-m keypad required n + m of the microcontroller's I/O pins for keypad scanning. Keypad designs that conserve microcontroller pins have been developed, but they require additional resources, such as external ICs or a built-in analog-to-digital converter (ADC). The design presented here uses only one I/O pin and requires only resistors and a capacitor as external components. I/O is a bidirectional pin initially...