| Many projects with a microcontroller inside have to display something. In the past, 2-line text displays were common and sufficient, but tod...
All items tagged with MQTT and MIT (6)
| 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 the recent installments, we used the MQTT protocol to exchange messages containing measurement values and commands between different clie...
| 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...
| 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...