About LoRa and LoRaWan

LoRa is based on opened radio-frequency communications, different frequencies are used depend on locations: 430 Mhz – valid for Asia 780 Mhz...

Mqtt broker on ESP8266 #1

[Later edit]. On  iotcentral.eu  you will find instructions on how to install the ESP8266 MQTT broker on your EPS8266 and how to use the MQT...

Power issue on ESP double deck module

On this    module  power it for development/debugging from your computer USB on the lower board can lead to an very dimmed red LED. To avoid...

MQTT Broker on ESP32

I've managed to put an MQTT broker on ESP32 (aka ESP31B). The code is under development and ESP32 at this time is not yet released, but ...

DHT22 versus BMP180. The winner is ....

For my chronothermostat  project I have evaluated the 5.11USD  DHT22 and 2.20 USD  BMP180 . I've let them work in parallel for few days...