Do you need a really, really small OLED display? Search no more, and check out this tutorial.
by Hugo Gomes
In between a new project I decided to make a small tutorial on capacitive touch pad for your next project.
Grab an Arduino and turn it into a Power Point pointer using an IR sensor and your TV remote.
Project tutorial by Hugo Gomes
A wearable robotic owl familiar. Archimedes judges your emotions, via Google AIY.
by Alex Glow
An open source VR headset that you can build yourself for $100.
Project showcase by Relativty
A vehicle measures distance with an encoder on its wheel. It is remotely controlled and transmits the distance via Websocket.
Project tutorial by Matthew Lee
Fritzing most of the time.
I think that you will need to use a different library for the shield 2 and not the one that I used. Please check this.
The SD card is optional, if its there it will stores the things if not it will continue in the code.
Are you using a Mega or an UNO?
For the shield that you are using the com ports probably are different. I do not know that shield.
Regarding the SD card, probably you have a mistake in the wire connections.
The configurations that I used are for this SIM900 shield, Arduino MEGA and using an older arduino IDE version (actual at the time that I did this project). Other variations you will need to adapt to the components that you have.
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