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Day: February 23, 2020

Zeyi and Carlos Progress Report Week 2

Zeyi and Carlos Progress Report Week 2

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Looked into how the user interface would communicate with the Raspberry Pi. Studied the python interface web socket (https://websockets.readthedocs.io/en/stable/intro.html). Decided to keep the user interface local on the Raspberry Pi, and have it displayed to user through a touch screen (Pi Foundation Display – 7” touchscreen). Researched the rangefinder and load sensor. Decided on load cell amplifier hx711 and ultrasonic module hc-sr04 in the end. Looked into how the hardwares listed above could be connected to the Raspberry Pi. Added the…

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2/23 Zehong Progress Update Week 2

2/23 Zehong Progress Update Week 2

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Researched and understood how to connect the Raspberry Pi to the iRobot Create 2 in order to control the robot using Python API on raspberry Pi. Learned how to make a 5v to 3.3v stepper since the Create 2 Serial Port uses 5V logic-level asynchronous serial communication; but the Raspberry Pi is a 3.3V devices. Updated our Bill of Material to include all the necessary parts for both the connection between Raspberry Pi and iRobot and the stepper. Looked into…

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