Internet Of Things Light Up Challenge – Part Two

Read Part One Here

Read Part Three Here
Read Part Four Here

Details of this project are on GitHub here where you can get the parts and do this yourself.

I eagerly took the items home and started following the Internet Of Things Maker Den Instructions to make my device.

Lab 1 was to get all the wires, resistors, the LED, temperature sensor and photocell all connected up on the breadboard. It was a bit bewildering to see a pack of 500 resistors, but only a few were actually used:


After finding and extracting the resistors I needed, I was supposed to build this:

proper iot 2

Here is my finished result. Can you spot the mistake I made?


Took me a while to find it, but that was Lab 1 complete.

WP_20150309_23_09_56_Pro (1)

Lab 2 (called Blinky) was a bit more of a challenge, since I don’t use Visual Studio. I was stuck on this for a while until Microsoft’s Dave Glover (Twitter @dglover) answered my tweets of desperation. My issue ended up being a configuration issue in Visual Studio where I was deploying to an emulator rather than USB (this device connects via micro-usb for both power and data). After that was changed, my code successfully deployed to the Netduino, resulting in a red flashing LED:


Awesome! Since it’s a multi-coloured LED, I could change the code to make it blue:


Or green:

WP_20150310_22_42_26_ProThe party’s over now, onto the next lab.

Lab 3 was just about seeing the temperature and light sensor work, piping back values to Visual Studio. Nothing exciting to screenshot here, it all just worked perfectly.

Lab 4 was changing the code again, but this time downloading a dashboard that would visually show the two values of light and temperature. The device had to have a network cable plugged in, so it would send it’s data to Azure, and the dashboard then showing the values off of Azure. Here’s my two gauges:



Lab 5 was just adding a bit of extra code to uniquely identify the device, in preperation for Lab 6.

Lab 6 requires a NeoPixel Ring, Grid or Strip which I don’t have yet – it’s in the mail. That will be covered in Part Three.