Workshop TTN - Movimento Maker Portugal

main.py

import pycom
from network import LoRa
import time
import binascii
import socket

from machine import Pin
from onewire import DS18X20
from onewire import OneWire


print("TTN Example v0")
# DS18B20 data line connected to pin P10
ow = OneWire(Pin('G16'))
d = DS18X20(ow)

pycom.heartbeat(False)
pycom.rgbled(0x00ff00)

lora = LoRa(mode=LoRa.LORAWAN)

app_eui = binascii.unhexlify('70B3D57EF2003CDF')
app_key = binascii.unhexlify('02E6538BCFC0F18D812285B4646FB92C')

lora.join(activation=LoRa.OTAA, auth=(app_eui, app_key), timeout=0)

# wait until the module has joined the network
while not lora.has_joined():
    time.sleep(2.5)
    print('Not joined yet... Have you registered device ID? Mine is:')
    print(binascii.hexlify(lora.mac()).upper().decode('utf-8'))



print('Network joined!')

# setup a socket to transmit data
s = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
s.setsockopt(socket.SOL_LORA, socket.SO_DR, 5)
s.setblocking(False)


while True:
    #create message
    d.start_conversion()
    time.sleep(1)
    temperature=d.read_temp_async()
    print(temperature)
    msg = (int(temperature)).to_bytes(2, 'little')
    print(msg)
    
    pycom.rgbled(0x0000ff)
    s.send(msg)
    time.sleep(1)
    pycom.rgbled(0x000000)

    #rest for a while
    time.sleep(30)