IoT refer to a technology which use to communicate, sense and interact with other devices. Sensors refer to device that detect and measure the response of an elements. IoT sensor is a machine that is able to identify change in an environment. It is used to measure the quality of pressure, temperature or position with an amount of response. Some key players in IoT sensor TE Connectivity, Texas Instruments Incorporated, Broadcom, NXP Semiconductors, STMicroelectronics, Bosch Sensortec GmbH, Infineon Technologies AG, Analog Devices, Inc., Monnit Corporation and Murata Manufacturing Co., Ltd. among other.