Winterthur May 21

Maria and I took a visit to the WInterthur Museum, Gardens and Library outside Wilmington, DE

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Adventure in the Parks Dec 2020

A set of photos from Brandywine Creek State Park near Wilmington, DE;  Rocks State Park near Pylesville, MD; and Susquahanna State Park near Havre De Grace, MD.  Creeks shown include Rock Run in Susquahanna State Park and Deer Creek and … Read More

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Part 11 – I2C Bus

Introduction.  The Inter-Chip Communications (I2C) bus is a widely used serial communication standard.  For our implementation, we will connect multiple slaves with a single master.  In our robot, this bus will be particularly useful for microprocessor communication with sensors and … Read More

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Part 10 – Electronic Assembly and Operational Test

Introduction.  I assembled the framework, motors, and wheels in Part 3.  To test the motors, Motor Driver, and power system I created a Test Platform in Part 5.  Still on the Test Platform, I tested the Software on my selected … Read More

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Part 8 – Software Testing Using Test Platform

A.  Introduction Software testing up to this point is being completed for the Motor Controller only on the Test Platform.  Integration of the Motor Controller on the robot platform will not occur until Operational Testing is conducted.  Our testing now … Read More

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Part 7 – Motor Controller Software Development

A.  Software Overview and Development Methodology The Motor Controller software and hardware will be developed and tested (as discussed in Part 8 on Software Testing) slowly in a step-by-step process to ensure the system is working as intended.  A software … Read More

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Part 6 – Motor Control Design Concept

A.  Purpose The Motor Controller will generate the control signals for the Motor Driver to cause the robot to travel in accordance with commands received from the Navigation Controller which are pictured below.  Control signals to the Motor Driver consist … Read More

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Part 5 – Power System and Test Platform

A.  Power Requirements Batteries will be used to power the robot.  It is not practical to use single use disposable batteries and rechargeable batteries will be used.  From Part 3  we expect the 2 front motors to require approximately 4500 … Read More

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