Here is the USB gadget we have all been waiting for: a talking calculator from the guys over at Brando. Not only does it speak English, but it also speaks Mandarin, making it probably the World’s ...

This user friendly talking calculator is based on ATmega88 microcontroller and features the four basic operations including Addition, Subtraction, Multiplication, and Division. This user friendly ...

Today, millions of scientific calculators are used in classrooms around the world and are an integral part of the high school math and science curriculum. However, the popularity and usefulness of ...

If there’s one thing that will surely blind us, its reading resistor color bands. It doesn’t help that red looks exactly like orange, brown and black are indistinguishable, and different component ...