I will connecting machines with plc and cnc to internet

Working on IoT since 4years.

Prototyping

Programming Languages: C, Embedded C, Python, Arduino

Sensors and Actuators: Digital, Analog(0V-5V/0.4-20mA), PWM

Wired Protocols: I2C, SPI, UART, CAN

Wireless Protocols: Zigbee, RF, HTTP, Web socket, MQTT, AMQP

Industrial Protocols: Modbus(RTU/TCP), Fins, SLMP.

Development Boards: Arduino, ESP, Raspberry Pi, STM32, TI Sitara

Operating System: Debian, Raspbian, Ubuntu, Windows

Circuit Designing: Power Circuit, Battery Circuit, Controller Circuit, ADC, Optocouplers, Relays, Encoder and Decoders, etc.

PCB Designing, Manufacturing and Asssembly.