def __init__(self, scl, sda, address, width, height):
import esp8266_i2c_lcd as i2c_lcd
self.i2c = machine.I2C(
scl=machine.Pin(scl),
sda=machine.Pin(sda),
freq=400000,
)
self.lcd = i2c_lcd.I2cLcd(
self.i2c,
address,
height,
width,
)
import usocket as socket
import utime as time
import ubinascii as binascii
import ccs811
import bme280
import esp8266_i2c_lcd
from machine import I2C, Pin
time.sleep(3)
i2c = I2C(scl=Pin(2), sda=Pin(4), freq=100000)
bme = bme280.BME280(i2c=i2c)
ccs = ccs811.CCS811(i2c)
lcd = esp8266_i2c_lcd.I2cLcd(i2c, 39, 2, 16)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
address = ("0.0.0.0", 2003)
delay_time = 5
def get_time():
lc = binascii.hexlify(i2c.readfrom_mem(104, 0x00, 7))
lt = (2000 + int(lc[12:14]), int(lc[10:12]), int(lc[8:10]), int(lc[4:6]),
int(lc[2:4]), int(lc[0:2]), int(lc[6:8]), 0)
return time.mktime(lt) + 946674000
while True:
time.sleep(delay_time)
lcd.clear()
lcd.move_to(2, 0)
lcd.putstr('Temperature')
lcd.move_to(4, 1)
mySensorBaseAvg = 270 ##REMEMBER TO SET TO ACTUAL VALUE!
for x in range(9):
mySensorArray1[x] = mySensorBaseAvg
for x in range(9):
mySensorArray2[x] = mySensorBaseAvg
for x in range(9):
mySensorArray3[x] = mySensorBaseAvg
for x in range(9):
mySensorArray4[x] = mySensorBaseAvg
for x in range(9):
mySensorArray5[x] = mySensorBaseAvg
i2c = I2C(scl=Pin(21), sda=Pin(22), freq=400000)
lcd = esp8266_i2c_lcd.I2cLcd(i2c, 0x27, 4, 20)
lcd.move_to(0, 0)
lcd.putstr("Base avg:" + str(mySensorBaseAvg))
sleep_ms(2000)
def cycleValues(pickSensor):
for x in range(9):
pickSensor[x] = pickSensor[x + 1]
def connectWifi(ssid, passwd): #function to connect to the Web
global wlan #declare a WLAN object
lcd.move_to(0, 0) #move LCD cursor to top left corner
lcd.putstr("Connect to WLAN") #write the string to the LCD
wlan = network.WLAN(network.STA_IF) #create a wlan object
wlan.active(True) #Activate the network interface
Course:
MicroPython with the ESP32
https://techexplorations.com
'''
from machine import I2C, Pin
import esp8266_i2c_lcd as esp8266_lcd
from time import sleep
#DEFAULT_I2C_ADDR = 0x27
i2c = I2C(0) # Using hardware I2C channel 0
lcd = esp8266_lcd.I2cLcd(i2c, esp8266_lcd.DEFAULT_I2C_ADDR, 2, 16)
lcd.clear()
counter = 0
while True:
lcd.move_to(0, 0)
lcd.putstr("2x16 LCD demo")
lcd.move_to(0, 1)
counter = counter + 1
lcd.putstr("Counter: %d" % (counter))
print("Counter: %d" % (counter))
sleep(1)
from machine import I2C, Pin, DAC, PWM
import esp8266_i2c_lcd
from hcsr04 import HCSR04
import network
import socket
import random
import urequests
import machine
import json
try:
#Then, we create some variables and settings
sensor = HCSR04(trigger_pin=16,
echo_pin=23) #ultrasound sensor implementation
i2c = I2C(scl=Pin(21), sda=Pin(22), freq=400000) #settings for LCD
lcd = esp8266_i2c_lcd.I2cLcd(i2c, 0x27, 4, 20) #LCD implementation
led = Pin(17, Pin.OUT) #create LED object from pin2,Set Pin2 to output
myDelay = 50 #define the length of the norse dot - this guides all timing
myAdVar = 0 #define the variable that picks the random message
#this sets up the array of letters from which the morse code index is found
myMorseLetterString = "abdcefghijklmnopqrstuvwxyz.,01234567890!"
#this sets up the array of morse code characters
myMorseList = [
".-", "-...", ".-.-", "-..", ".", "..-.", "--.", "....", "..", ".---",
"-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-",
".-", "..-", ".--", "-..-", "-.--", "--..", ".-.-.-", "--..--",
"-----", ".----", "..---", "...--", "....-", ".....", "-....", "--...",
"---..", "----.", "------", "-.-.--"
]
#this sets up the array of advertising messages
myAdsList = [