| 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...
More about MQTT (48)
| 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...
| Connecting devices to the Internet, that is what IoT is all about. To do so you need some sort of interface and that is where the GoNotify p...
| In the second part of this home automation series, the designer dives into the software that makes everything tick. Various end nodes (senso...