Using MQTT to send and receive data for your next project | Opensource.com
https://opensource.com/article/18/6/mqtt This article introduces you to MQTT protocol widely used in IoT. MQTT is a publish/subscribe (pubsub) wire protocol designed with small devices in mind. Pubsub systems work like a message bus. You send a message to a topic, and any software with a subscription for that topic gets a copy of your message. As →