Node-Red, MQTT and the new Weather Station

Node-Red, MQTT and the new Weather Station
The weather station and home monitor I built using the Particle-Core were working perfectly well, except that the weather station, being far from any power source, need to be run on battery. However, the power consumption of the Particle-Core was not too battery friendly even though it is designed to wake up each 10 minutes to report ...

NodeMCU, ESP8266 and Lua (Part 1)

NodeMCU, ESP8266 and Lua (Part 1)
I have been browsing different forums on discussions about micro-controllers with wireless capabilities, and one thing I noticed people keep talking about is the low cost, low power ESP8266. I didn’t pay much attention to it as it does not come with a cloud service like the Particle.io with their Core and Photon devices, nor ...

Particle-Photon with HMI display 1

Particle-Photon with HMI display
This color LCD display is not an ordinary LCD display which you will need special driver and a relatively powerful processor to blit all those hundred thousands of RGB values to those pixels in order to display something simple such as your temperature sensor’s output. This kind of displays is known as HMI displays and they are ...