Sensing Air Flow with the PIC16C781
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Programmable Switch Mode Controllers (PSMC) are not just for switching power supplies. This technical brief describes how to use the PIC16C781 PSMC in combination with the Integrated Operational Amplifier, Digital-to-Analog Converter (DAC), and gated timer to construct a thermally operated air flow sensor with minimum external components.
Read more original source:
http://www.microchip.com/stellent/
Copyright 2008 www.elecfree.com/electronic/

