More about cloud (87)

15-11-2017 | In the last episode of this series we produced a small web server using the ESP32 DevKitC. On request from a web browser running on a PC or...

12-10-2017 | In the recent installments, we used the MQTT protocol to exchange messages containing measurement values and commands between different clie...

7-09-2017 | 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...

5-07-2017 | 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...

1-06-2017 | 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...

20-04-2017 | In the last installment of this series, we developed a small sensor node based on the Pretzel board (equipped with an ATmega and ESP8266 WiF...

9-02-2017 | In the last episode i built a small sensor board. The ATmega on the Pretzel board periodically takes a reading from a phototransistor and co...

1-01-2017 | Circuit simulation is a valuable tool for finding errors in circuit designs at an early stage. There are lots of Spice-based programs availa...

8-12-2016 | In the last installment of this series I ported my mini-library for publishing MQTT messages to the Pretzel board which has an ATmega328 and...

15-11-2016 | Sometimes you just want to make something simple, just for the fun of it or to get high on the delicious fumes of hot 60/40 solder and flux....