A single Arduino SIM can be used in over 100 countries worldwide with one data plan, which offers 10MB free data for up to 90 days and then costs $1.50 per month for up to 5MB per month.

How to make an Arduino Voltmeter. As you may well know, ... Design Notes. If the display reading didn’t match when comparing with your lab DVM, use a precision DMM to find the actual resistance of R1 ...

One of [Kale_3D]’s teachers had made an Arduino-powered calculator. It wasn’t robust and didn’t last too long in the classroom environment. After the non-functional calculator sat… ...

Intel and Arduino have announced their collaboration that brings together the Intel Curie SoC and Andruino 101 board. The package is aimed at educational institutions and entrepreneurs.