I`m an electronic engineer and a software developer. I have a long experience as teacher and trainer in electronic and computing sciences. I`m also an author of books and articles respectively published by a famous editor in France and by an UK group of press. Since the last years my subjects of predilection are Java and IoT. I have also an interest in DSP, maths and physic. With StackExchange, I share my experience of LaTeX and I improve my knowledges about differents others topics emphasized text . ©