MQTT
LTE
WiFi
LAN
BLE
433MHz
Centrálna aplikácia
Internet
Internet of Things
Centrála
| Range | Power |
|---|---|
| 20m | 0.003W |
| 50m | 0.1W |
| 2km | 0.2W |
| 5-10km | 0.025W |
| 10-15km | 0.2W |
| 24km | 0.025W |
| 35km | 2W |
| >10000km | 1,6W |
WAN
LPWAN
LAN
Bluetooth
SigFox
NB IoT
LoRa
GSM
Arduino Shieldy
ESP8266
- WiFi
- Arduino framework
- 32bit CPU, podpora OS
- 16MB RAM
- 10 GPIO
- 1 ADC
- Napájanie 3V
- Cena 2€
Title Text
REST/HTTP
MQTT
?
REST API
http://192.168.1.5/rgb?param=_FFFF00
MQTT
23°
23°
73%
73%
Ports
- 1883 : MQTT, unencrypted
- 8883 : MQTT, encrypted
- 8884 : MQTT, encrypted, client certificate required
- 8887 : MQTT, encrypted, server certificate deliberately expired
- 8080 : MQTT over WebSockets, unencrypted
- 8081 : MQTT over WebSockets, encrypted
TOPIC
- UTF - 8
- Hierarchická štruktúra
- # nahrádza jednu a viac úrovni „building1/floor1/#“
- + nahrádza jednu úroveň „building1/floor1/+/door“
- Last Will and Testament LWT
- $ špecialny topic
- https://github.com/mqtt/mqtt.github.io/wiki/SYS-Topics
TP-Link
+
+
http://www.hivemq.com/demos/websocket-client/
Nextion LCD
Log. systemy MQTT
By tomaslorinc
