Electro Kailash Project ( NEPAL)

  🔴🟢🔵 Button-Controlled RGB LED Cycle Using Raspberry Pi Pico (MicroPython) Objective To demonstrate how to use a push button to cycle through three different LEDs (Red, Green, and Blue) connected to a Raspberry Pi Pico. To learn input reading , edge detection , and RGB  control in MicroPython. Components Required S.N. Component Quantity 1 Raspberry Pi Pico 1 2 Red LED 1 3 Green LED 1 4 Blue LED 1 5 Push Button 1 6 220Ω Resistors 3 (optional) 7 Breadboard + Jumper Wires As needed 8 Micro USB Cable 1 Circuit Description Red LED → GPIO 2 Green LED → GPIO 1 Blue LED → GPIO 0 All cathodes of the LEDs go to GND through 220Ω resistors . Push Button → GPIO 15, with internal pull-down resistor enabled using Pin.PULL_DOWN . :::::circuit diagram:::::                                                         ...

   Analog Voltage Measurement Using Raspberry Pi Pico  Objective To read analog signals using the Raspberry Pi Pico's ADC (Analog to Digital Converter). To convert and display analog sensor values as digital voltage levels. Components Required S.N. Component Quantity 1 Raspberry Pi Pico 1 2 Analog sensor/potentiometer 1 3 Breadboard + Jumper wires As needed 4 Micro USB Cable 1 5 Computer with Thonny IDE 1 Circuit Description The analog output of the sensor (or middle pin of a potentiometer) is connected to GPIO 26 , which corresponds to ADC0 on the Raspberry Pi Pico. The other two ends of the sensor/potentiometer go to 3.3V and GND respectively. Ensure the Pico is connected to your PC via a Micro USB cable ckt diagram: video link: ADC Pin Mapping on Raspberry Pi Pico: ADC Channel GPIO Pin ADC0 GPIO 26 ADC1 GPIO 27 ADC2 GPIO 28 Working Principle This MicroPython script reads analog values using the ADC and converts them into voltage. Key Functi...

Alternating LED Blink Using Raspberry Pi Pico (MicroPython)   Objective a. blinks two LEDs (Blue and Green) in an alternating pattern b. to control multiple GPIO pins using MicroPython. Components Required S.N. Component Quantity 1 Raspberry Pi Pico 1 2 Blue LED 1 3 Green LED 1 4 Breadboard + Wires As needed 5 Micro USB Cable 1  Circuit Description The Blue LED is connected to GPIO 0. The Green LED is connected to GPIO 1. The other terminal of both LEDs is connected to GND. ckt diagram: Video link : Code: MicroPython for Alternating Blink from machine import Pin from time import sleep led1 = Pin(0, Pin.OUT)  # Blue LED led2 = Pin(1, Pin.OUT)  # Green LED while True:     led1.on()     led2.off()     sleep(0.5)     led1.off()     led2.on()     sleep(0.5)  Working Principle ⦁ Pin(0, Pin.OUT) sets GPIO 0 (Blue LED) as an output. ⦁ Pin(1, Pin.OUT) set...

  Control LED with Push Button Using Raspberry Pi Pico (MicroPython) Objective To control an LED using a push button on a Raspberry Pi Pico , written in MicroPython . This project is perfect for beginners learning input and output (I/O) control on microcontrollers.  Components Required S.N. Component Quantity 1 Raspberry Pi Pico 1 2 LED (any color) 1 3 220Ω Resistor 1(optional) 4 Push Button 1 5 Breadboard + Wires As needed 6 Micro USB Cable 1  Circuit Description LED's anode (long leg) is connected to GPIO 0 through a 220Ω resistor , and cathode to GND . Push button is connected between GPIO 1 and 3.3V . An internal pull-down resistor is enabled in code to keep the button input low when not pressed. When the button is pressed, the input pin reads HIGH , and the LED turns ON.         ckt diagram  Code: MicroPython for Button Controlled LED python from machine import Pin from time import sleep led = Pin( 0 , Pin.OU...

  LED Blinking Project Using Raspberry Pi Pico (MicroPython) Objective ⦁ To create a simple LED blinking circuit using the Raspberry Pi Pico ⦁ and control it using MicroPython.  ⦁ This project is ideal for beginners in embedded systems, ⦁ helping them understand GPIO pin control and timing.  Components Required S.N. Component Quantity 1 Raspberry Pi Pico 1 2 LED (any color) 1 3 Resistor (220Ω–470Ω) 1 4 Breadboard + Jumper Wires As required 5 Micro USB Cable 1 Circuit Description ⦁ The long leg (anode) of the LED is connected to GPIO Pin 0 of the Pico. ⦁ The short leg (cathode) connects through a resistor (220Ω) to GND.(optional) ⦁ The LED will turn on and off (toggle) at an interval of 0.5 seconds using a simple loop in  ckt diagram MicroPython.  Code: MicroPython for Blinking LED from machine import Pin from time import sleep led = Pin(0, Pin.OUT)  # LED connected to GPIO 0 while True:     led.tog...

 Project Title: Switch Array Matrix Using Push Button  and LEDs Objective: To create a matrix-based switching system using mechanical switches. Components Required: S.N. Component Quantity 1 Push Button Switch 100 2 Green LEDs (5mm) 10 3 Resistors (330Ω – 470Ω) 10 4 Power Supply (5V DC) 1 Circuit Description: ckt diagram                        The switch matrix consists of 10 rows and 10 columns, forming a 10x10 grid of switches. One terminal of each switch is connected to a horizontal row line, while the other terminal connects to a vertical column line. Each row line is connected to a resistor, followed by a green LED, which leads to ground. A 5V DC supply is provided to all column lines. When a switch is pressed, it closes the circuit between a column (positive supply) and a row (connected to LED and resistor to GND), causing the LED in that row to glow. generally 10k ohm resistor are used for p...

Project Title: LED Matrix Control using Arduino UNO (4×3 LED Array)   Objective: To design and control a 4×3 LED matrix using an Arduino UNO, implementing: Running LED effect Row-wise glow Column-wise glow   LED Matrix Design   Hardware Components: Component Quantity Arduino UNO 1 5mm   LEDs 12 220Ω Resistors 4 Breadboard / Simulation 1 Connecting Wires As required Circuit Description: The LED matrix consists of: 4 rows (cathodes) connected to pins 6, 7, 8, 9 3 columns (anodes) connected to pins 10, 11, 12 Each LED is addressed by: Setting an anode HIGH Setting a cathode LOW This way, a specific LED can be turned ON while avoiding unwanted lighting .                  ...