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...
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...
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...
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...
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 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 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...
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...
Introduction to Internet of Things (IoT) Session 1: Introduction to IoT and Python Isaac Armah Mensah University of Cape Coast, Ghana Introduction of Lecturers...
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...
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...
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...
Tutorial Description Abstract While most of the tutorials of the 2018 AFNOG conference deal with Internet related problems this particular tutorial on IoT (Internet...
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...