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Workshop TTN - Movimento Maker Portugal
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| 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) |
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