IoT

Part 2: The 35 euro IoT project3Inhoudsopgave1 Preface......................................................................................................................................... 22 The concept................................................................................................................................. 52.1 Accountability.......................................................................................................................... 52.2 Prescience................................................................................................................................ 62.3 Reading guide.......................................................................................................................... 62.4 Abbreviations .......................................................................................................................... 62.5 Version management.............................................................................................................. 63 Hardware..................................................................................................................................... 73.1 Inleiding ................................................................................................................................... 73.2 ESP32....................................................................................................................................... 73.3 Hardware................................................................................................................................. 83.3.1 Used hardware ................................................................................................................ 83.3.2 Hardware schema............................................................................................................ 83.3.3 DHT22 and level shifter................................................................................................... 93.3.4 Geekcreit® ESP32 Development Board ......................................................................... 104 Software .................................................................................................................................... 114.1 Introduction........................................................................................................................... 114.2 Installatie van GIT.................................................................................................................. 114.3 Installatation of the ESP32 Core............................................................................................ 174.4 Installation of the Xtensa and ESP32 Tools........................................................................... 174.5 Python ................................................................................................................................... 184.5.1 Install Python................................................................................................................. 184.5.2 Installation of pySerial and EspTool .............................................................................. 214.6 Test the software installation................................................................................................ 225 The ESP32 IoT project................................................................................................................ 275.1 Introduction........................................................................................................................... 275.1.1 WiFi connection............................................................................................................. 275.1.2 Setup date and time ...................................................................................................... 275.1.3 MQTT connection.......................................................................................................... 275.1.4 Determining temperature and humidity....................................................................... 275.2 IOT_ESP32_Project source .................................................................................................... 286 Test............................................................................................................................................ 356.1 Introduction........................................................................................................................... 35Part 2: The 35 euro IoT project46.2 ESP32, NodeJS, MongoDB en Mosca..................................................................................... 356.2.1 Start MongoDB.............................................................................................................. 356.2.2 Start NodeJS Express serve and Mosca broker ............................................................. 366.2.3 Start the ESP32 .............................................................................................................. 366.2.4 Start an Chrome browser.............................................................................................. 397 Index .......................................................................................................................................... 40