Exploring the Internet of Things with a NodeMCU ESP8266 microcontroller board and a photometric sensor

by Floris Wouterlood – the Netherlands – Introduction The Internet of Things (IOT) is a wonderful place where devices can be accessed via internet connectivity and where all kinds of data exchange is possible. In this project I am exploiting the IOT to read on my smartphone data provided by a sensor located somewhere else […]

The DS18B20 temperature sensor – implementation with an Arduino

by Floris Wouterlood – The Netherlands Introduction One of the components of a weather station is a device that measures the temperature of the environment. Traditional analog instruments are based on the physical principle of expansion as a function of temperature. An affordable electronic solution with reasonably accurate sensing is the Dallas DS18B20 temperature sensor […]

An 128×64 graphic LCD display with ST7920 controller for the Arduino, displaying temperature and relative humidity

by Floris Wouterlood – The Netherlands – August 11, 2017 Summary Graphic 128×64 LCD displays are based on (monochrome) LCD technology, yet they offer interesting graphical capabilities because every pixel is individually addressable. These displays are more complicated to program than the ‘common’ 16×2 or 20×4 LCD displays that present two or four rows of […]