Eric Tarkleson
Eric Tarkleson was this semester’s lab facilitator and document preparer. He worked with Ben on the current and voltage monitoring system. Specifically he researched and acquired and built the current sensing equipment used in the final prototype.
Eric also worked with the team to decide on casing options. He chose the final case design that will be used on design day. Eric worked with Jakub on designing and manufacturing the faceplate and box that will house the battery management system. The end result is a sleek easy to use interface to the system that was custom designed for monitoring a solar powered computer system.
Almost all of the PCB design was completed by Eric. The final project includes two small PCB boards. The main board includes a microprocessor controlled data acquisition system that monitors the various components power usage. It then sends this data to the computer via USB for datalogging. The second PCB mounts to the LCD and routes the appropriate signals to the status LEDs as well as the power, reset and menu buttons.
Testing was performed by the whole team and Eric was no exception. Much testing needed to be performed to insure that the correct solar panels, battery banks, and charge controllers were purchased and ready in Africa. Much power testing was done on both the Lenovo S10 PC and the monitors. This data will be useful in determining how to streamline the system in the future.
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