All by itself, a calculator based on an Arduino isn’t necessarily very novel. However, [Danko Bertović] of Volos Projects has a nice board that, of course, looks like a calculator. There are 16 keys ...

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 around the class for ...

If you are interested in building your very own RPN calculator you might be interested in a new project published to the Instructables website this week by member Shiura. Using a CNC machine, the ...

Arduino uses a 32bit counter to provide a millisecond by millisecond timing reference. It is called ‘millis()’, and being 32bit, it overflows at about 4billion in ...

What do you do when your trusty, 45 year old calculator finally needs to be retired? If you’re a programmer with a knack for making things — like Simon Boak — you custom build a replacement. This is ...

This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

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