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The WeMos D1 mini and its sensor and actuator shields Introduction We have seen that the ESP01 can be programmed with micro Python and that there are add on sensor...
A Custom MicroPython binary Introduction We have already seen how to create a custom MicroPython binary when we integrated all the modules needed for the WEB server...
Integrating the camera driver into MicroPython. Programming the esp32 cam processor The esp32 cam does not come with a serial USB interface as many other ESP32 processor...
A WEB cam in MicroPython Introduction In order to provide a WEB cam in MicroPython we need The camera hardware with enough RAM memory to store the camera images...
Installing the picoweb server The description of picoweb on its git repository explains it as follows: picoweb is a `micro` web micro framework (thus, `pico framework...
Installing the picoweb server The description of picoweb on its git repository explains it as follows: picoweb is a `micro` web micro framework (thus, `pico framework...
Bringing up the MicroWebSrv2 server on an ESP32. The source code of MicroWebSrv2 is available . We get at the code using git: git clone https://github.com/jczic/MicroWebSrv...
This WEB is dedicated to the AFNOG Workshop and in particular to the tutorial session on IOT (Internet of things) devices. afnog.org The AFNOG tutorial on IoT...
Hands on exercises for the workshop on IoT Session 1 Introduction to IoT and Python Session 2 Hardware access and Micropython Session 3 MQTT and Cayenne...
What is IoT? A talk given during the AFNOG 2019 conference Abstract: Everybody is talking about IoT, the Internet of Things. However, few are the people who deeply...
Workshop Slides Lecture Slides Session 1: Introduction to IoT and Python Session2: Hardware access and Micropython Session 3: MQTT and Cayenne Session...
Introduction to Internet of Things (IoT) Session 1: Introduction to IoT and Python Isaac Armah Mensah University of Cape Coast, Ghana Introduction of Lecturers...
Setting up and IoT Session 2: Micropython andHardware accessUli RaichFormally CERN, Geneva, Switzerland The WeMos D1 mini CPU card ESP8266 cost: 2....
Setting up and IoT Session 4: Sending real measurement data to Cayenne and receiving commands and executing them on the hardware Uli Raich formally CERN, Geneva, Switzerland...
What is IoT? An IntroductionUli Raich (uli.raich #64;gmail.com)Formally CERN, Geneva, Switzerland What is IoT? Answer: IoT is the Internet of ThingsBut...
The IoT Node and its Processor As already indicated in the introduction an IoT node consists of an Internet enabled processor with interfaces to external sensor and...
Exercises for session1: Introduction to IoT and Python Exercise 1: Write a program that calculates and prints the Fibonacci numbers up to 20 iterations. The...
The Raspberry Pi as an IoT node Running Cayenne on the Raspberry Pi is certainly the simplest way to get your sensors connected to Cayenne. All you need to do is downloading...
Exercise 1: Go through the tutorial on https://mydevices.com/cayenne/docs/cayenne mqtt api/#cayenne mqtt api manually publishing subscribing in section `Manually...
Setting up an IoT Session 3: MQTT and Cayenne Uli RaichFormally CERN, Geneva, Switzerland The Network Layers The WeMos D1 mini has a built in WiFi interfaceIn order...
The DHT11 temperature and humidity sensor The DHT11 is a temperature and humidity sensor using its own private protocol. Fortunately a driver is again available in...
The WS2812B RGB LED shield On this board we have the addressable WS2812B RGB LED. This LED is used in many LED chains. The board uses D2 (GPIO 4) as data line (or...
The SHT30 I2C temperature and humidity sensor The is a temperature and humidity sensor interfaced through the I2C protocol. A micro Python driver can be found at https...
The LED matrix shield This shield provides a 8x8 led matrix where each led can be individually be switched on and off and its intensity be controlled. The program...
The DS18B20 1 wire temperature sensor The DS18B20 is a high precision temperature sensor using Maxim`s 1 wire protocol. Again a driver is already available in the...
The OLED shield This shield features a 64x48 pixel OLED display. We would normally not connect it as IoT sensor but it comes it handy to display the state of out WeMos...
The DS1307 Real Time Clock and data logger This shield features a battery backed up Dallas real time clock and an SD card socket which can receive micro SD cards....
A simple push button switch The simplest WeMosD1 shield is just features a single push button. It uses the WeMos` ESP8266 D3 pin which corresponds to GPIO 0. Testing...
Using the Atmel AVR Arduino as IoT node Introduction Together with the Raspberry Pi the Arduino is one of the most popular platform in embedded systems. The family...
The double or triple base board and prototyping boards A base board holding 2 or 3 WeMos D1 shields may be used if a great number of shields is connected to the WeMos...
Exercises for session 3: MQTT and Cayenne Exercise 1: Install mosquitto on your machine. On Ubuntu Linux this can very easily be accomplished with apt. On Windows...
Exercises for session 2: Hardware access and Micropython Exercise 1: Connect to Micropython using a terminal emulator. Import the machine package: import machine...
Title Comments
The IoT network The Internet Iot stands for the Internet of Things . It consists of a collection of nodes communicating with each other over the Internet. Each node...
Exercises on Sensor and Actuator access Introduction Once we are comfortable with Python basics we can try to access the sensors and actuators connected to our Raspberry...
Exercises Session on Python Session on Sensor and Actuator Access Session on the Virtual World Comments
Reading the Color Sensor and the Virtual World Session 3 of the AFNOG tutorial on IoT sensorsUli Raich How to create the Virtual World We have seen the image of...
Sensors for IoT devices ...
Reading the Color Sensor and creating the virtual world Introduction Reading the color sensor is rather tricky but we are lucky to find a ready made module that contains...
Exercises on Python Before being able to start programming sensors and actuators we need to know a programming language giving us access to the sensor and actuator...
The Slides Introduction to Python Accessing the Sensors and Actuators VPython and the Virtual World Comments
Devices needed The Raspberry Pi The Raspberry Pi features SoC: Broadcom BCM2837 CPU: Quad Core ARM Cortex A53, 1.2 GHz RAM: 1GB LPDDR2 (900 MHz)...
The Ultrasonic Distance Sensor HC SR04 In order to measure the distance of the colored paper sheet from the sensors we use the HC SR04 ultra sonic distance sensor...
RGB LEDs Introduction When construction the virtual world demo we will use two different types of sensors an RGB color sensor giving us the color of a paper...
Tutorial Description Abstract While most of the tutorials of the 2018 AFNOG conference deal with Internet related problems this particular tutorial on IoT (Internet...
Hardware Options Introduction The virtual world example consists of 2 distinct parts The sensor part and its readout which is implemented on a micro controller...
AFNOG Web Preferences The following settings are web preferences of the AFNOG web. These preferences override the site level preferences in . and...

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Topic revision: r1 - 2006-11-15 - TWikiContributor
 
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