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 ...

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 ...

399.964MHz

399.964MHz
While playing around with the newly installed Gqrx SDR receiver, I have accidentally found a strong signal peaked at 399.964MHz and 399.966MHz. From the spectrum analyzer, I could not see much details about this signal so marked it as interesting beacon. The first thing to understand this of course is throw it at Google and ...

A Pebble Watch App that does Cheerlights

A Pebble Watch App that does Cheerlights
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 ...

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 ...