Worked on Projects based on: Embedded Firmware development on TI, Microchip(PIC), Arduino, Atmel, Rasberry-pi controllers. Circuit designing and simulation with Proteus, LT-Spice , PCB design with Altium Application of Modbus, RS-485 protocol, UART/USART Protocol , SPI Protocol, SD-HC/ SD-XC memory Card ,SRAM ,Temperature sensor[RTD-PT100, LM35], PIR Motion sensor, LDR light sensor,Accelerometer, Pressure sensor. GSM/GPRS Module Interfacing with microcontroller by HTTP & FTP protocol ,TCP/IP client server communication Zigbee Protocol and its application in XB series 2 mesh networking RTC and making drivers for application of RTC with GSM SVN repository