Primary Advantages And Disadvantages Of Raspberry Pi

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ii. Raspberry Pi Module: The Raspberry Pi (RPi) is an ultra low cost and a very small sized(size of a credit card) computer that can support a number of peripheral devices like keyboard, mouse, computer monitor, laptop or TV. [14]. RPi is used as an SoC (System on Chip) with the capability of having CPU, GPU, USB ports, audio, video, HDMI ports and various other interfaces. It has slot for SD card. The OS image is burned on the SD card from which the Rpi boots. It has GPIO pins to which the sensors are connected and the processing is within the RPi. The RPi has in- built Wi-Fi module and bluetooth module for the purpose of communication. Various programming languages can be used with RPi like Python. (Figure 5). Fig 5: RaspberryPi Board The feasibility of hardware usage for all requirements is reinforced with the efficacy of the supporting software. The primary theme of ‘IoT’ utilized in the implementation of this solution, makes the need for software a primary essentiality. Architecture of smart parking system has been shown in figure 6. i. The interfacing of the cited hardware with each other and the web server, and the accessing of data by the end user has been built upon a common programming platform. The Raspberry Pi module and the sensors communicate by means of the python script run on the RPi. ii. ThingSpeak Cloud: It is used as the repository/database where the sensors data regarding the occupancy of the parking slot in the

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