I integrated few components and built my prototype device which I wanted to sell. But I realize that the device with all components is already available...
Hardware development is the conceptualization, design and step-by-step creation or improvement of machine tools or other durable mechanical parts. In the technology industry, hardware development is the process of making computer mechanical or physical parts, from the stage of an idea through design and models stages to the final product that is subsequently mass-produced. Hardware development contrasts with software development which deals with computer programming.