This example demonstrates how to setup and use MQTT protocol to publish and read messages using two Arduinos. The purpose of this project is to do a simple applicaton where one client gets information of a sensor and sends it through WiFi. Another client reads those messages and displays them on an 16x02 LCD.
The purpose of this post is to figure out how to connect a Linux PC to the HC-05 bluetooth module and send text to it through linux commands.
I want to control a generic LCD 16x02 with a Raspberry Pi but doing it differently. Instead of using any user space program, I want a linux driver to handle the communication with the LCD. Maybe in the future I will used the LCD as a console to display info about the system.
My name is Felipe, I'm from Mexico, and right now I'm 28 years old. I'm an embedded software developer who worked for a technology consulting company for almost 2 years and a half. The purpose of this blog is to post notes of my personal projects but also to post tutorials on the topics I'm really interested in.