All items tagged with MQTT and Espressif (13)

| 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 of this series, we developed a small sensor node based on the Pretzel board (equipped with an ATmega and ESP8266 WiF...