- Microcontrollers (Atmel, Cypress PSoC, Microchip, STM32). - Arduino, Raspberry (Python) and Beaglebone (Python). - GSM modules like SIM900-800-800C. - Ethernet modules like W5100, W5500 (Wiznet) and Microchips Ethernet controllers. - Wifi Modules (ESP8266, ESP32, espressif, Onion Omega 2+). - FreeRTOS - Schematic and PCB design using Proteus. - MODBUS - RS485,RS232 - CAN Bus - REST and MQTT like protocols. - GPS