1 more Easy raspberrypi Pico Projects (Morse Code)

from machine import Pin, PWM from time import sleep # Create a dictionary of Morse Code. s is for Short (or dots), l is for Long (or dashes) MorseCodes = { ' ': '', 'a': 'sl', 'b': 'lsss', 'c': 'lsls', 'd': 'lss', 'e': 's', 'f': 'ssls', 'g': 'lls', 'h': 'ssss', 'i': 'ss', 'j': 'slll', 'k': 'lsl', 'l': 'slss', 'm': 'll', 'n': 'ls', 'o': 'lll', 'p': 'slls', 'q': 'llsl', 'r': 'sls', 's': 'sss', 't': 'l', 'u': 'ssl', 'v': 'sssl', 'w': 'sll', 'x': 'lssl', 'y': 'lsll', 'z': 'llss', '1': 'sllll', '2': 'sslll', '3': 'sssll', '4': 'ssssl', '5': 'sssss', '6': 'lssss', '7': 'llsss', '8': 'lllss', '9': 'lllls', '0': 'lllll'} button = Pin(10, Pin.IN, Pin.PULL_UP) shortled = Pin(11, Pin.OUT) longled = Pin(12, Pin.OUT) speaker = PWM(Pin(13)) fast = 0.1 slow = 0.2 sound = True light = True pitch = 600 volume = 1500 speaker.freq(600) #pitch of sound. Higher number is higher pitch shortled.low() longled.low() def letterlookup(stringvalue): for k in MorseCodes: if MorseCodes[k] == stringvalue: return k return " " def blinkletter(letter): if letter != "": currentletter = MorseCodes[letter] if letter == " ": sleep(0.6) return print(letter + " : " + currentletter) for c in currentletter: if (c == 'l'): blinkspeed = slow if (c =='s'): blinkspeed = fast if light : shortled.high() if sound : speaker.freq(pitch) speaker.duty_u16(volume) sleep(blinkspeed) if light : shortled.low() if sound : speaker.duty_u16(0) sleep(blinkspeed) sleep(0.6) def playmessage(message): for c in message: blinkletter(str.lower(c)) def recordmessage(): print("start typing your Morse Code message! Wait 5 seconds to exit") TimeCount = 0 DelayCount = 0 CurrentLetter = "" CurrentWord = "" PreviousStatus = 1 while True: if button.value() == 0: #Button being pressed DelayCount = 0 TimeCount += 1 if TimeCount <= 15: #Its a short press! shortled.high() longled.low() elif TimeCount > 15: #Its a Long Press! shortled.low() longled.high() if PreviousStatus != button.value(): speaker.duty_u16(1500) elif button.value() == 1: #Button not being pressed speaker.duty_u16(0) shortled.low() longled.low() if TimeCount > 0: if TimeCount <= 15: CurrentLetter = CurrentLetter + "s" elif TimeCount > 15: CurrentLetter = CurrentLetter + "l" TimeCount = 0 DelayCount = DelayCount + 1 if DelayCount > 60: if CurrentLetter != "": CurrentWord = CurrentWord + letterlookup(CurrentLetter) CurrentLetter = "" print(CurrentWord) if DelayCount == 300: #Add a space CurrentWord = CurrentWord + " " if DelayCount == 500: print("You recorded " + CurrentWord) print("Exiting recording mode") return sleep(0.01) #After execute the program, on the shell, type {playmessage('SOS')} #https://www.youtube.com/watch?v=k2thJQxO17w #https://github.com/printnplay/Pico-MicroPython/blob/main/MorseCodeCreator.py

2 Easy raspberrypi Pico Projects (temperature and music)

from machine import ADC from time import sleep tempsensor = ADC(4) conversion_factor = 3.3 / (65535) # Conversion from Pin read to proper voltage while True: currentvoltage = tempsensor.read_u16() * conversion_factor temp = 27 - ((currentvoltage - 0.706)/0.001721) print(str(currentvoltage) + " : " + str(temp)) sleep(2) #https://www.youtube.com/watch?v=k2thJQxO17w #https://github.com/printnplay/Pico-MicroPython/blob/main/ReadTemp.py ======================================================================== from machine import PWM, Pin from time import sleep MusicNotes = {"B0": 31, "C1": 33,"CS1": 35,"D1": 37,"DS1": 39,"E1": 41,"F1": 44,"FS1": 46,"G1": 49,"GS1": 52,"A1": 55,"AS1": 58,"B1": 62, "C2": 65,"CS2": 69,"D2": 73,"DS2": 78,"E2": 82,"F2": 87,"FS2": 93,"G2": 98,"GS2": 104,"A2": 110,"AS2": 117,"B2": 123,"C3": 131,"CS3": 139, "D3": 147,"DS3": 156,"E3": 165,"F3": 175,"FS3": 185,"G3": 196,"GS3": 208,"A3": 220,"AS3": 233,"B3": 247,"C4": 262,"CS4": 277,"D4": 294, "DS4": 311,"E4": 330,"F4": 349,"FS4": 370,"G4": 392,"GS4": 415,"A4": 440,"AS4": 466,"B4": 494,"C5": 523,"CS5": 554,"D5": 587,"DS5": 622, "E5": 659,"F5": 698,"FS5": 740,"G5": 784,"GS5": 831,"A5": 880,"AS5": 932,"B5": 988,"C6": 1047,"CS6": 1109,"D6": 1175,"DS6": 1245,"E6": 1324, "F6": 1397,"FS6": 1480,"G6": 1568,"GS6": 1661,"A6": 1760,"AS6": 1865,"B6": 1976,"C7": 2093,"CS7": 2217,"D7": 2349,"DS7": 2489,"E7": 2637, "F7": 2794,"FS7": 2960,"G7": 3136,"GS7": 3322,"A7": 3520,"AS7": 3729,"B7": 3951,"C8": 4186,"CS8": 4435,"D8": 4699,"DS8": 4978} mario = ["E7", "E7", "0", "E7", "0", "C7", "E7", "0", "G7", "0", "0", "0", "G6", "0", "0", "0", "C7", "0", "0", "G6", "0", "0", "E6", "0", "0", "A6", "0", "B6", "0", "AS6", "A6", "0", "G6", "E7", "0", "G7", "A7", "0", "F7", "G7", "0", "E7", "0","C7", "D7", "B6", "0", "0", "C7", "0", "0", "G6", "0", "0", "E6", "0", "0", "A6", "0", "B6", "0", "AS6", "A6", "0", "G6", "E7", "0", "G7", "A7", "0", "F7", "G7", "0", "E7", "0","C7", "D7", "B6", "0", "0"] hotcrossedbuns = ["E3", "0", "D3", "0", "C3", "0", "S", "E3", "0", "D3", "0", "C3", "0", "S", "C3", "C3", "C3", "C3", "D3", "D3", "D3", "D3", "S", "E3", "0", "D3", "0", "C3", "0"] speaker = PWM(Pin(13)) blueled = Pin(12, Pin.OUT) redled = Pin(11, Pin.OUT) def playnote(Note, Duration): if Note == "0": sleep(Duration) if Note == "S": speaker.duty_u16(0) sleep(Duration) elif Note != "0": speaker.duty_u16(0) sleep(0.05) blueled.toggle() redled.toggle() speaker.duty_u16(1500) speaker.freq(MusicNotes[Note]) sleep(Duration) blueled.high() redled.low() for c in hotcrossedbuns: playnote(c, 0.2) sleep(1) for c in mario: playnote(c, 0.4) speaker.duty_u16(0) #https://www.youtube.com/watch?v=k2thJQxO17w #https://github.com/printnplay/Pico-MicroPython/blob/main/MusicTest.py

Exercise 1 using TM1637

#Library import utime import tm1637 from machine import Pin #setup tm = tm1637.TM1637(clk=machine.Pin(4), dio=machine.Pin(5)) #to clear the display tm.show(' ') utime.sleep(2) #to present data on the display #here are the examples tm.number(1) utime.sleep(2) tm.number(12) utime.sleep(2) tm.number(123) utime.sleep(2) tm.number(1234) utime.sleep(2) #notice that the display starts from right to left tm.show("AbCd") utime.sleep(2) #Show scrolling text #delay controls the speed of the scrolling text. #The default delay is set as 250ms tm.scroll("8888 8888 8888", delay=300) utime.sleep(2) #to display time with the colon seperating hour and minutes tm.numbers(12,30) utime.sleep(2) #Temperature #Display with the degree Celsius sign #it accepts 2 digit +ve no. or a single digit with -ve no. tm.temperature(37) utime.sleep(2) #digital clock while True: time=utime.localtime() print(time) #(2023, 2, 6, 20, 14, 57, 0, 37) # 0 1 2 3 4 5 6 7 hr=time[3] mn=time[4] tm.numbers(hr,mn) utime.sleep(15) tm.show(' ') #if you open up tm1637.py you can see the functions number() and numbers() #in this library #From SSGoh on Github #Also From: https://microcontrollerslab.com/7-segment-display-raspberry-pi-pico/

Stop watch using TM1637

from machine import Pin import time import tm1637 tm = tm1637.TM1637(clk=Pin(4), dio=Pin(5)) Button = Pin(2, Pin.IN) a = 0 b = 0 tm.show(' ') tm.numbers(a,b) while True: if Button.value() == 1: while True: tm.numbers(a,b) b = b+1 time.sleep(1) if b > 59: b = 0 a = a+1 time.sleep(1) #Stop watch using Raspberry Pi Pico #https://electricdiylab.com/stopwatch-using-raspberry-pi-pico/#Schematic_Diagram