.NET C# for IoT and Robotics 
         
         
        .NET C# developers who code phones and PCs can as well code circuits 
          and robotics. This guide goes hand-in-hand with GHI Electronics’ 
          SITCore Experimenter Kit as a step-by-step instructional tutorial. 
         
         
         
         
         
                                             
                        Copyright © 2021 GHI Electronics, LLC 
                          www.GHIElectronics.com 
                             By: Gus Issa 
                                    IoT and Robotics for the C# Software Developer 
        TABLE OF CONTENTS 
        Introduction ................................................................................................................................................................... 5 
         Prerequisite ............................................................................................................................................................... 5 
        SITCore Experimenter Kit ............................................................................................................................................... 6 
         SITCore FEZ Bit ........................................................................................................................................................... 6 
         BrainBot ..................................................................................................................................................................... 8 
         BrainClip..................................................................................................................................................................... 9 
        TinyCLR OS ................................................................................................................................................................... 11 
        SITCore ......................................................................................................................................................................... 12 
        Getting Started ............................................................................................................................................................ 13 
         Firmware Update ..................................................................................................................................................... 13 
         Slow Clock Option .................................................................................................................................................... 13 
         Boot-up Options ...................................................................................................................................................... 14 
         Visual Studio Setup .................................................................................................................................................. 15 
         Blinky ....................................................................................................................................................................... 15 
         Top Level Statements .............................................................................................................................................. 17 
         Debugging ................................................................................................................................................................ 17 
        Digital Pins ................................................................................................................................................................... 18 
         Digital Outputs ......................................................................................................................................................... 18 
         Digital Inputs ............................................................................................................................................................ 20 
         Digital Input Events .................................................................................................................................................. 24 
        PWM ............................................................................................................................................................................ 27 
         Energy Levels ........................................................................................................................................................... 27 
         Sounds ..................................................................................................................................................................... 28 
         Software PWM ......................................................................................................................................................... 30 
         Servo Motors ........................................................................................................................................................... 30 
        Analog Input & Output ................................................................................................................................................ 33 
         Analog Inputs (ADC) ................................................................................................................................................. 33 
         Analog Outputs (DAC) .............................................................................................................................................. 37 
        Serial Interfaces ........................................................................................................................................................... 38 
         UART ........................................................................................................................................................................ 38 
          Events .................................................................................................................................................................. 39 
          RS232 & RS485 .................................................................................................................................................... 40 
          Terminal Software ............................................................................................................................................... 41 
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                                    IoT and Robotics for the C# Software Developer 
         SPI ............................................................................................................................................................................ 42 
         I2C ............................................................................................................................................................................ 44 
         CAN .......................................................................................................................................................................... 46 
        Digital Signals ............................................................................................................................................................... 48 
         Addressable LEDs ..................................................................................................................................................... 48 
         Ultrasonic Sensor ..................................................................................................................................................... 51 
         IR Remote Control ................................................................................................................................................... 53 
        Loading Resources ....................................................................................................................................................... 56 
        Displays ........................................................................................................................................................................ 58 
         Basic Graphics .......................................................................................................................................................... 58 
         Native Graphics........................................................................................................................................................ 60 
         Images...................................................................................................................................................................... 61 
         Fonts ........................................................................................................................................................................ 62 
        Artificial Intelligence .................................................................................................................................................... 63 
        Networking .................................................................................................................................................................. 66 
         WiFi Setup ................................................................................................................................................................ 66 
         Sockets ..................................................................................................................................................................... 68 
          UDP ...................................................................................................................................................................... 68 
          TCP....................................................................................................................................................................... 70 
         HTTP ......................................................................................................................................................................... 71 
         Telnet ....................................................................................................................................................................... 74 
         TLS ............................................................................................................................................................................ 76 
         MQTT ....................................................................................................................................................................... 77 
        Cloud Services .............................................................................................................................................................. 78 
         Adafruit IO ............................................................................................................................................................... 78 
         Microsoft Azure ....................................................................................................................................................... 80 
         Other Cloud Services ............................................................................................................................................... 83 
        Cryptography ............................................................................................................................................................... 84 
         XTEA ......................................................................................................................................................................... 84 
         RSA ........................................................................................................................................................................... 84 
        File System ................................................................................................................................................................... 86 
         SD Cards ................................................................................................................................................................... 86 
         USB Mass Storage .................................................................................................................................................... 87 
         File System Considerations ...................................................................................................................................... 88 
        Time Services ............................................................................................................................................................... 89 
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                                    IoT and Robotics for the C# Software Developer 
         Real Time Clock ........................................................................................................................................................ 89 
         Timers ...................................................................................................................................................................... 91 
        USB Client .................................................................................................................................................................... 92 
        USB Host ...................................................................................................................................................................... 94 
        Securing IoT ................................................................................................................................................................. 97 
         Secure Storage ......................................................................................................................................................... 97 
         IP Protection ............................................................................................................................................................ 98 
         Data Security ............................................................................................................................................................ 98 
        Thinking Small .............................................................................................................................................................. 99 
         Memory Utilization .................................................................................................................................................. 99 
         Object Allocation ..................................................................................................................................................... 99 
        FEZ Bit Reference ....................................................................................................................................................... 100 
        BrainBot Reference .................................................................................................................................................... 101 
         Assembly ................................................................................................................................................................ 101 
         Pinout .................................................................................................................................................................... 101 
        BrainClip Reference ................................................................................................................................................... 102 
         Digital Modules ...................................................................................................................................................... 102 
         Analog Modules ..................................................................................................................................................... 102 
         PWM Modules ....................................................................................................................................................... 102 
         Special Digital Signals ............................................................................................................................................. 102 
        What’s Next? ............................................................................................................................................................. 103 
         
         
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