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Send message to LED matrix using Bluetooth

The next iteration of the LCDMatrix in the earlier post is to add a Bluetooth module HC-05 to the Arduino. This will allow us to send message to LED matrix using bluetooth.

The bluetooth module will need to be connected to the Arduino via the following:

  • Pin 2 is connected to the RX of HC-05
  • Pin 1 is connected to the TX of HC-05

Once this is done, we need to initialise the Bluetooth module to ensure that we can connect to it. In this demo we are using Android app called Bluetooth terminal which allow us to connect to the HC-05 bluetooth module.

You can see it in action in the following clip.

If you are interested to get the source code and the detailed diagram don’t hesitate to let me know.

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Windows 10 can’t see network drive

I had a problem where my windows 10 can’t see network drive, all the mapped drive can’t be accessed. I had been pulling my hair over this issue. I got a new HUAWEI router (NBN) but somehow this muck up my Windows 10 mapped drive. I had a NAS drive that was mapped in windows 10 and every now and again the Windows 10 Home will no longer able to access the NAS drive. Strangely all the other computers, I had several Mac in the house, they are all working fine connected via the same router. Here are some instruction on how to fix Windows 10 Network file sharing, it works for me, so I hope it will save you some time.

After countless of hours of tweaking and google searching for why windows 10 can’t see network drive, I found the following Method is the most effective to resolve the issue.


Step 1. Go to the settings from clicking “Windows” button on your bottom left corner and select settings as shown in the picture.Windows Options

Step 2. Click on the Network & Internet icon

Windows 10 can't see network drive

Step 3. You will see the similar screen to the one below, scroll down until you find the “Sharing option” and click on it.

Network and Internet

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