ESP32-C3 Super Mini+AHT10+Ra-08H LoRaWAN MicroPython Node

ต่ออุปกรณ์ลงบน Breadboard ตาม Diagram

1. Blink.py

from machine import Pin
import machine
from time import sleep
led = Pin(8, Pin.OUT)
while True:
    led.value(1)
    sleep(0.5)
    led.value(0)
    sleep(0.5)

2. ScanI2C.py

import machine
i2c = machine.SoftI2C(scl=machine.Pin(9), sda=machine.Pin(8), freq=20000)
print('Scan i2c bus...')
devices = i2c.scan()
if len(devices) == 0:
  print("No i2c device !")
else:
  print('i2c devices found:',len(devices))

  for device in devices:  
    print("Decimal address: ",device," | Hexa address: ",hex(device))

ผลการ RUN

>>> %run -c $EDITOR_CONTENT
Scan i2c bus...
i2c devices found: 1
Decimal address:  56  | Hexa address:  0x38

3. AT_UART.py

from machine import UART
import time
from time import sleep
uart = UART(1,baudrate=9600, rx=20, tx=21, timeout=1000)
rstr=""    
def sendATcommand(ATcommand):
    print("Command: {0}\r\n".format(ATcommand))
    uart.write("{0}\r\n".format(ATcommand))
    rstr=uart.read().decode('utf-8')
    print(rstr)
    return (rstr)


sendATcommand ("AT+CDEVEUI?")
sendATcommand ("AT+CAPPKEY?")
sendATcommand ("AT+CAPPEUI?")
sendATcommand ("AT+CJOIN=1,0,8,1")

4. PrintAHT0.py

import machine
import utime
from machine import Pin, SoftI2C
import ahtx0
i2c = machine.SoftI2C(scl=machine.Pin(9), sda=machine.Pin(8), freq=20000)
sensor = ahtx0.AHT10(i2c)

#print(bme.values)
print("Temp=",round((sensor.temperature),2))
print("Humid=",round((sensor.relative_humidity),2))

ผลการ run

MicroPython v1.22.1 on 2024-01-05; ESP32C3 module with ESP32C3

Type "help()" for more information.

>>> %run -c $EDITOR_CONTENT
Temp= 28.06
Humid= 33.11

5. ESP32C3_AHT10.py

# Write # By Somsak Lima and Itti  Srisumalai
import machine
import ahtx0
import time
import ubinascii
from machine import UART, Pin, SoftI2C
from cayennelpp import CayenneLPP

stop = False
motion = 0
led = Pin(8, Pin.OUT)

i2c = machine.SoftI2C(scl=machine.Pin(9), sda=machine.Pin(8), freq=20000)
uart = UART(1,baudrate=9600, rx=20, tx=21, timeout=1000)
  
def sendATcommand(ATcommand):
    rstr = ""  
    print("Command: {0}\r\n".format(ATcommand))
    uart.write("{0}\r\n".format(ATcommand))
    rstr = uart.read().decode('utf-8')
    print(rstr)
    return (rstr)

sendATcommand('AT+CADR=0')
sendATcommand('AT+CDATARATE=2')
sendATcommand('AT+CULDLMODE=1')   

sendATcommand("AT+CDEVEUI?")
sendATcommand("AT+CAPPKEY?")
sendATcommand("AT+CAPPEUI?")
sendATcommand("AT+CJOIN=1,0,8,1")
time.sleep(20.0)
arstr = ''

arstr = sendATcommand('AT+CSTATUS?')

while '+CSTATUS:04' not in arstr:
    print('Retry OTAA Continue')
    sendATcommand('AT+CJOIN=1,0,8,2')
    time.sleep(20.0)
    arstr = ''
    arstr = sendATcommand('AT+CSTATUS?')
        
    if '+CSTATUS:04' in arstr:
        print('++++OTAA OK+++++')
        break      
        
if '+CSTATUS:04' in arstr:
    print('++++OTAA OK+++++')
    #Send Sample data
    sendATcommand('AT+DTRX=0,2,6,445566')

cnt = 1
relay1 = Pin(12, Pin.OUT)
button = Pin(4, Pin.IN)
button.value()
sensor = ahtx0.AHT10(i2c)
while True:
    print("----------Wait 10 Second---------")
    time.sleep(2.0)
    print("\r\n\r\nPacket No #{}".format(cnt))  
    print("-----------------------------------")
    print("AHT10 values:")
    print("Temp=",round((sensor.temperature),2))
    print("Humid=",round((sensor.relative_humidity),2))
    print("-----------------------------------")
    
    c = CayenneLPP()
    c.addTemperature(1, round(sensor.temperature,2)) # Add temperature read to channel 1 
    c.addRelativeHumidity(2, round(sensor.relative_humidity,2)) # Add relative humidity read to channel 2   c.addDigitalOutput(4, button.value() )    
    b = (ubinascii.hexlify(c.getBuffer()))
    led.value(1)
    print('')
    print('************    Sending Data Status   **************')
    sendATcommand('AT+DTRX=0,1,{0},{1}'.format(int(len(b)),(b.decode('utf-8'))))
    time.sleep(4.0)
    arstr=sendATcommand('AT+CSTATUS?')
    if "+CSTATUS:08"  in arstr:
        arstr=sendATcommand('AT+DRX?')
        print(arstr)
        if "010203" in arstr:   
                print("Command1 Detected: On LED  =============>")
                print("Command1 Detected: On LED  =============>")
                print("Command1 Detected: On LED  =============>")
                relay1.value(1)
                #time.sleep(5)
        if "040506" in arstr:   
                print("Command1 Detected: Off LED  =============>")
                print("Command1 Detected: Off LED  =============>")
                print("Command1 Detected: Off LED  =============>")
                relay1.value(0)
                #time.sleep(5)                
        
    print('********Finish Sending & Receiving Data Status******')
    
    led.value(0)
    cnt = cnt + 1