Currently, the most significant risks that could jeopardize the success of the project are finding out that we need more components and either not having the budget to order them or not being able to order them in time. To manage these risks, we have backup plans for the major systems of our light. Some changes to the design of the system included running the LED off a current driver with a PWM pin instead of having only the voltage changed on the inputs. These changes were necessary to make the integration with the Arduino simpler. This added the cost of the current drivers, and we used the extra budget we had for these. No schedule changes have occurred since last week.
Some tests we are planning to run include tests for the angle of rotation, brightness of the light, noise levels of the motors, and movement of the focus mechanism. We have not run any tests so far, but we plan to run tests once we are further along in integration. To test our pan and tilt, we will record the pan and tilt motion of the light with our phones to verify the angle of rotation. To test the focus mechanism, we will shine the light on a surface up to 10 feet away and move the focus lens back and forth until the light is focused. To test that the light has RGB control and brightness control from the controller, we will move the faders that correspond to red, green, and blue and ensure the light changes as we expect. To test for noise levels, we will run the light with various pan, tilt, and focus patterns and check the noise level with a decibel meter on our phones. Finally, we will test by recording the light whether or not there is a delay from when signals are sent at the controller to when the light reacts to those signals.