Serial Relay Controller with the PIC12C671. Analog to Digital & Using The 8-Pin PIC: Designing a simple I/O expander or serial relay controller using the inexpensive, 8-pin, PIC12C671.
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Serial Relay Controller with the PIC12C671. Analog to Digital & Using The 8-Pin PIC: Designing a simple I/O expander or serial relay controller using the inexpensive, 8-pin, PIC12C671. schematic diagram