123 Pic Microcontroller Experiments For The Evil Geniuspdf Verified Guide

Experiment #8: Flashing an LED at a Specific Rate Using a Delay Loop

    BSF STATUS, RP0   ; Bank 1
    MOVLW 0x00
    MOVW TRISB        ; Port B all outputs
    BCF STATUS, RP0   ; Bank 0
Loop
    BSF PORTB, 0      ; LED ON
    CALL Delay        ; Wait
    BCF PORTB, 0      ; LED OFF
    CALL Delay
    GOTO Loop

Delay
MOVLW 0xFF
MOVWF Count1
D1  MOVLW 0xFF
MOVWF Count2
D2  DECFSZ Count2
GOTO D2
DECFSZ Count1
GOTO D1
RETURN

  • After the 3 bits, it outputs the variable’s current value (1–255) in binary or as repeated LED pulses.

    • If you have located a PDF version, a "verified" copy usually includes:

    Summary: This book is considered a classic in the PIC community because it balances theory with immediate practical application ("Build it and see it work"). Experiment #8: Flashing an LED at a Specific

    Myke Predko's "123 PIC Microcontroller Experiments for the Evil Genius" offers a progressive, hands-on guide for learning PIC microcontrollers, covering topics from basic LED blinking to advanced serial communication. The book teaches programming in both C and Assembly language, utilizing inexpensive hardware for projects like reaction-time testers and motor control. Access the full digital copy for free on the Internet Archive Amazon.com 123 Pic Microcontroller Experiments For The Evil Genius

    Lets you monitor up to 8 different internal variables (e.g., temperature, counter value, state machine step, error flags) using just 1 I/O pin and a single LED or buzzer — without a serial terminal. BSF STATUS, RP0 ; Bank 1 MOVLW 0x00

    The book uses a building-block approach. Each experiment adds one new concept, starting from LED blinking and ending with advanced projects like a frequency counter or robot control.