Connected Devices ← IoT and T

Air Quality Monitor

Apr

20

2016

One thing about having to live in a city is to watch out for the air quality, a more beautiful phrase for air pollution. There are a lot of things inside the air that affect its overall quality. Pollutant is one of those things. There are different kind of pollutants in the air, including natural and ...

Node-Red, MQTT and the new Weather Station (Part 2)

Nov

10

2015

Node-Red Node-Red is a browser based tool to let you quickly and easily construct your own logic of handling various IoT devices, including subscribing the MQTT messages, listening to HTTP requests, reading and writing to Databases, publishing to MQTT brokers and responding to HTTP requests. It also allows you to define specific functions written in ...

Node-Red, MQTT and the new Weather Station

Oct

11

2015

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)

Oct

10

2015

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 ...

A Pebble Watch App that does Cheerlights

Dec

13

2014

Pebble Watch is an inexpensive but fun to play with watch. It give you the flexibility to design and implement your own Watch Faces or applications known as Watch Apps. I’ve decided to try something on this watch to just get a feel on how easy/difficult to make it work for me. It turned out is ...

Cheerlights

Oct

3

2014

Connected lighting The Cheerlights is a fun and innovative idea of connecting lighting equipments to the Internet and allow people to control it by Tweeting the color of the light. It understands a basic set of colors such as red, green, blue, cyna, warmwhite, etc.. A sample tweet will be something like: Turn #cheerlights to Blue ...