Attending Members: Nick, Trung, Shane, Pietro
During this meeting Shane edited this blog to reflect a new format.
Nick and Trung worked to make a stable circuit. Once assembled we tested the single sensor circuit with haptic motor. The circuit worked as designed by vibrating the haptic senor more intensely with an object closer, and vibrating less intensely for a farther away object. The minimum distance that we applied to the sensor's programing was .5 meter and farthest 1 meter. That being that if an object was one meter away from the user the haptic sensors would begin to vibrate softly, and as the object became closer to the user (up to .5m) the device the vibrations from the haptic motors become more intense.
Additionally, we tested using the Arduino in conjunction with an external power bank. This is to make the device portable. the Arduino will have the program for the device loaded on to it initially, and will only need a power source to run the sensor and hatpic motors. The test was successful. The Arduino, single sonic sensors, and haptic sensor ran.
One issue that was diagnosed was from this testing was the wiring for the haptic sensors is too weak. The wire directly attached to the haptic motor broke from being moved repeatedly, due to intense vibrating. Moving forward we plan to re-enforce the wire by soldering it to a longer wire to restrict movement and heat wrapping the connection to ensure lack of fraying.
Trung and Nick also began to work on expanding the programming of the Arduino to enable multiple sensors in conjunction with multiple haptic sensors.
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| The single sonic sensor circuit with single haptic motor and off/on switch |
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| The same circuit as above with the external power bank supplying the Arduino and circuit |
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| Haptic sensor that failed during testing |
