I have 10+ years experience in circuit & PCB design, manufacture & assemble firmware & protyping. I had developed many products ago using various microcontroller including STM32 seriesl, Microchip, freescale, Arduino, Raspberry PI, Atmel, ADuC, USB controller etc. I also have many experiences in the design of IoTs. I can take your project from concept to finished product. also, I am experienced in working with communication devices like GPS, WIFI, Bluetooth, Zigbee, GSM and others.