Hello... I am Carlos... a Computer Science Engineer with more than 15 years of experience and expertise in many kind of software projects: Microcontroller's software (C, C++, Assembler in PICs, ATMEL, STM32 and Arduino), Windows PC software (C, C++, Qt) and extensive hardware experience (digital circuit design, testing and debug). Web development (LAMP, Joomla, Wordpress, etc.). Knowledge on robotics, drones and RC (Remote Controlled) gear. I'm working now as freelancer designing electronic things (IoT and many others)... including all steps from concept, to final product... including but not limited to circuit design, PCB design, software/firmware design and writing, etc... please give me more information about your needs...