Electro Kailash Project ( NEPAL)

  Project Title: Astable Multivibrator Using 555 Timer IC Objective: To design and simulate an astable multivibrator circuit using the 555 Timer IC. To generate a continuous square wave without an external trigger. To control an LED to blink at regular intervals. To study how timing components (resistors and capacitor) affect the ON and OFF time. Components Required: S.N Component Quantity Description 1. NE555 Timer IC 1 Used in astable configuration to generate pulses 2. Resistor R1 1 10 kΩ – Connected between Vcc and pin 7 3. Resistor R2 1 10 kΩ – Connected between pin 7 and pin 6 4. Capacitor C1 1 100 µF – Timing capacitor between pin 6 & GND 5. LED (Green) 1 Output indicat...

    Project Title: Monostable Multivibrator Using 555 Timer IC   Objective: ·     To design a monostable multivibrator circuit using the 555 Timer IC. ·     To generate a single output pulse of fixed duration when an external trigger is applied. ·     To understand and demonstrate the working principle of monostable mode in 555 timer IC. ·     To control an output device (like an LED) for a specific time interval. ·   To explore how resistor and capacitor values determine the pulse width. Components Required: S.N Component Quantity Description 1. NE555 Timer IC 1 Used to configure the timer in monostable mode 2. Resistor (R) 1 Timing resistor to set output pulse width 3. Capacitor (C) 1 Timing capacitor to set output pulse...

  Project Title:   LDR-Based Motor Driver Circuit using Transistors Objective: To  implement light tracking solar system. Components Used: Component Quantity Description LDR (Light Dependent Resistor) 2 Senses light intensity BC547 NPN Transistor 1 Used to switch current based on LDR1 BC547 PNP Transistor 1 Used to switch current based on LDR2 Resistors (100Ω) 2 Limits current to base of transistors DC Motor 1 Rotates when either transistor conducts Power Supply 1 +5V Battery or adapter   Circuit Explanation: This is a dual-LDR sensor-based motor control circuit using two NPN transistor (Q1 ,Q2- BC547) . The two LDRs (LDR1 and LDR2) act as light sensors that detect ambient light levels and contr...