Reading a swing hammer's angle

Projects General Guidance
1

I have a college project focused on digitalisation, and this will be done at my work. The aim is to make the angle of a swing hammer measurable. The set up is similar to the following picture, it uses a weight held by a bar, which is released from a certain height.

The setup I will be working with has a winch that pulls the arm up to a certain angle, and at the moment the angle is only measured by following markings on the wall. To measure this with an arduino, I have thought of two ideas

  1. Use and arduino to measure the distance the DC motor controlling the winch travels
  2. Attach a device onto the arm of the hammer to measure the angle of the arm at the time

I think both of these could work but I just wanted to find what would work best for my project

2

An accelerometer can be used to accurately measure tilt angles, following this tutorial: How_to_Use_a_Three-Axis_Accelerometer_for_Tilt_Sensing-DFRobot

However, the accelerometer may not survive shocks transmitted to it along the bar, so check the manufacturer's specifications.

3

Since the back end rotates on an axis why not use a pot driven with an elastamer belt.

4

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