LED Tricks Using The Raspberry Pi Pico

 LED sequences created using a Raspberry Pi Pico Using the Raspberry Pi Pico RP2040 microcontroller and Thonny software, create a number of LED sequences, each with four buttons to trigger one of the sequences.

Leonardo Flores González

This project's hardware and software

Hardware components

• Raspberry Pi Pico
• LED (generic)
• Resistor 220 ohm
• Jumper wires (generic)
• USB Cable Assembly, USB Type A Plug to Micro USB Type B Plug
• 4 pin open pushbutton

Software apps and online services

• Raspberry Pi Thonny

• 

  Leonardo Flores González

import machine
import utime
led1 = machine.Pin(2, machine.Pin.OUT)
led2 = machine.Pin(3, machine.Pin.OUT)
led3 = machine.Pin(4, machine.Pin.OUT)
led4 = machine.Pin(5, machine.Pin.OUT)
led5 = machine.Pin(6, machine.Pin.OUT)
led6 = machine.Pin(7, machine.Pin.OUT)
led7 = machine.Pin(8, machine.Pin.OUT)
led8 = machine.Pin(9, machine.Pin.OUT)
led9 = machine.Pin(10, machine.Pin.OUT)
led10= machine.Pin(11, machine.Pin.OUT)
#Botones
b1 = machine.Pin(16, machine.Pin.IN, machine.Pin.PULL_DOWN)
b2 = machine.Pin(17, machine.Pin.IN, machine.Pin.PULL_DOWN)
b3 = machine.Pin(18, machine.Pin.IN, machine.Pin.PULL_DOWN)
b4 = machine.Pin(19, machine.Pin.IN, machine.Pin.PULL_DOWN)
def led_sequence (a,b,c,d,e,f,g,h,i,j):
    led1.value(a)
    led2.value(b)
    led3.value(c)
    led4.value(d)
    led5.value(e)
    led6.value(f)
    led7.value(g)
    led8.value(h)
    led9.value(i)
    led10.value(j)

while True:
    if b1.value() == 1:
        led_sequence(0,0,0,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(1,0,0,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(1,1,0,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,1,1,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,1,1,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,1,1,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,1,1,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,1,1,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,1,1,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,1,1,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,0,1,1)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,0,0,1)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,0,0,0)
        utime.sleep(0.5)
        led_sequence(0,0,0,0,0,0,0,0,0,1)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,0,1,1)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,1,1,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,1,1,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,1,1,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,1,1,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,1,1,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,1,1,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,1,1,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(1,1,0,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(1,0,0,0,0,0,0,0,0,0)
        utime.sleep(0.03)
        led_sequence(0,0,0,0,0,0,0,0,0,0)
        utime.sleep(0.5)

Download Full Code: Click Here

Author Credit: Leonardo Flores González 

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