Chances are you already need a steel ruler for your fixing and making tasks, so why not use one that can do much more than ...

Keep the construction lines when you draw them as they are evidence that you have constructed the triangle correctly.

Data can be viewed in real-time using a 4-digit 7-segment TM1637 display module. All of the hardware is housed inside of a custom, 3D-printed case. The software for the protractor was created ...

Both of these angles are obtuse. Without using a protractor, a good estimate for the first angle is 135° because it is midway between 90° and 180°. A good estimate for the second angle would be ...

Measured angles are displayed on a small OLED screen. To use the protractor, first the reference button must be pressed, then the device may be rotated to measure the angle. Relying on a gyroscope ...

The precision of the measurement can be tuned to specific use cases so you can make the steering wheel as sensitive as you need it to be. The software for the protractor was created using C++ for ...