| Many of the IoT solutions you see at trade shows like Embedded World use Amazon Web Services (AWS). This platform is very powerful, robust a...
More about MQTT (50)
| A professional approaching a project like this would start with a functional specification document, including a detailed definition of the...
| In the last installment we built a small stand-alone device using the ESP32 Pico Kit, an RGB LED and an LDR, which we used to measure the am...
| In the last installment, we built a small device using the ESP32 DevKitC, an RGB LED and a light-dependant resistor (LDR). This device perio...
| In previous parts of this series we saw how to use a web page on a local network to configure an IoT device. In this part, we use a web pag...
| In the recent installments, we used the MQTT protocol to exchange messages containing measurement values and commands between different clie...
| In this series we have developed MQTT clients able to send messages back and forth over the internet. With the summer break behind us we tak...
| The mini version of the Raspberry Pi with the suffix Zero has been with us since the end of 2015. February 2017 saw the advent of the Zero W...
| The Pretzel board is a really useful tool especially when you are starting out with networks. Now however it was time to try out a different...
| In the last installment, we implemented a small actuator project where we are able to switch a remote LED using MQTT. Now and then the link...