Raspberry PI as MQTT Publisher and Subscriber
1)Open Raspberry Pi Terminal
2)Execute the Following command to Publish data on topic test
mosquitto_pub -t test -h localhost -m “Temp:10”
mosquitto_pub -t test -h localhost -m “Temp:20”
mosquitto_pub -t test -h localhost -m “Temp:20”
1)Open Raspberry Pi Terminal
2)Execute the Following command to Subscribe topic test
mosquitto_sub -t test -h localhost
Please first Follow the Subscriber steps to See data published by publisher on Subscriber terminal.
Please click on the below link to become master in MQTT.