The amount 1. is a block diagram for agenda alarm and agenda thermometer. It consists of 1 temperature sensor, RTC, Microcontroller(PIC), about-face annals, 7-segment and key board. The about-face annals use for aggrandize I/O of CPU becuase it has 13 I/O alone for PIC16F826. This about-face annals is a accessory contains an 8-bit serial-in, parallel
-out about-face annals that feeds an 8-bit D-type accumulator register.