Cyber Sphero

Recently I have bought the infamous Sphero for my daughter in recognition of her outstanding academic results, also to provide her a chance to code for fun. After a few moments playing with the Sphero using the stock app, I fired up the XCode and grabbed the Sphero SDK. The first and foremost problem immediately ...

WS2812B LED Wall Clock

WS2812B LED Wall Clock
A Certain Cheerlights Clock Once upon a time, people tell the time by looking at the sun dial, today, we can tell the time by sending a simple query to a RESTful interface … Ok, it was a nightmare, alright. However, having a spare meter of Neopixel LED strip of 60 LEDs/meter, I was thinking what to ...

Cheerlights

Cheerlights
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 ...

Connecting a kitchen scale (part 1)

Connecting a kitchen scale (part 1)
This is the part one attempt to make a €2.5 kitchen scale connect to the cloud. Part 1 is aimed to hack a cheapo kitchen scale so that we can get the weight readings from a Spark Core. Part 2 will be to connect it to the Internet so that the readings can be push to a smart device, or ...

Automatic water pump

Automatic water pump
While the Water Alarm built a few days ago was still working great, having to remove the accumulated water frequently is still not a pleasurable task. Therefore, I decided to automate the work by automatically pumping the water away form the small container to a bigger bucket. The Water Pump Quickly found a €4 12V mini ...

Connected thermometer

Connected thermometer
Thingspeak is a very interesting site. It collects (and display) a lot of data from different sensors, contributed (of course) by end users. It is interesting to see what it is like to connect a just built thermometer using a Spark Core and a TMP36 temperature sensor to Thingspeak. Currently, it is measuring the temperature ...