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Arduino-based design to control two solenoid valves

Arduino-based design to control two solenoid valves

The final design took about 6 months to get completed. Due to some changes in the original request, the firmware took most of the work time to meet all the given requirements. The final design was locally tested at the client’s location and was satisfying for him.

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Making a customized frequency generator for a medical device

Making a customized frequency generator for a medical device

The final prototype took about 6 months to get completed and was submitted to the client to be used in the main design. The final design also included different modulation options. The modulation subsystem combined the output from the three frequency generators and output the final output from the PCB. This subsystem could support these programming features:
• Modulate only Frequency Gen1
• Modulate only Frequency Gen2
• Modulate only Audio Gen
• Modulate only Frequency Gen1 + Frequency Gen2
• Modulate only Frequency Gen1 + Audio Gen
• Modulate only Frequency Gen1 + Frequency Gen2 + Audio Gen

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Designing a wireless network system for a mobile to mobile communication without a cellular network

Designing a wireless network system for a mobile to mobile communication without a cellular network

The design was made, prototyped and delivered to the client in 5 months. The technique used in the design provided a highly efficient and reliable system for covering a wide area and even more distant points. The design proved that it could be used as a reliable rescue device in mountainous regions where the normal communication between cell phones are interrupted. Having checked the design, the client was quite pleased with the final outcome as it met all his requirements.

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Designing a Customized Liquid Level Switch

Designing a Customized Liquid Level Switch

The design was made and prototyped and delivered to the client in one month. She was quite pleased with the final outcome and made the following feedback on the work.
“Ami from MEEE Services was very communicative and easy to work with on making us a wiring diagram, and answering any follow-up questions we had. Thanks for the support!”

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Designing a Lipo Fast Charger

Designing a Lipo Fast Charger

The final design was submitted to the client and it was subsequently prototyped. The final prototype was according to the client’s expectations. The whole work including the prototyping took about two months to get completed.

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Designing an Automatic Camera Tracker

Designing an Automatic Camera Tracker

After about 8 months of close work with the customer, finally, a fully functional prototype was prepared and tested. The final prototype met all the requirements and was later submitted to the client. Due to the use of a low-cost GPS module for the testing purpose that had low-accuracy, the response time was low, and so the motion of the camera was stepwise. However, once the client changed the module with a high accuracy module, this issue was resolved considerably. While the final setup could be improved and enhanced in terms of the response time and also its range, the work was satisfying and met the requirements.

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Designing a Cold Storage room control board

Designing a Cold Storage room control board

The work took about 4 months to get completed. During the course of the work, and due to the request of the client for new features for the design, it underwent several changes which extended the original timetable. The final design was quite satisfying for the client and was submitted to the client for the prototyping.

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Designing a Solar Panel cleaner

Designing a Solar Panel cleaner

After 4 months of work by a team of engineers, the final design was completed and submitted to the client. It covered all the design requirements requested by the client and received his good feedback.

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Heater design for a headset

Heater design for a headset

The final board was designed to work with 12volt DC and therefore four 3.7V 503562 Lipo batteries with each weighing 23gr were used to supply the board and Peltier modules. Also, and an electronic circuitry was made to control the temperature for every ambient temperature. The design was tested and the result was quite satisfying and submitted to the client for the prototyping.

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