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Designing and Prototyping a Car Bluetooth Key LockBox

Designing and Prototyping a Car Bluetooth Key LockBox

The final design was finished, prototyped and successfully tested within 5 months. Based on the customer’s request, the size of the board was 75mm x 46mm, and a mini PV panel was placed in front of the panel. For is power a 3.7V battery was used with a boost converter, providing required voltages for different parts of the board.

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Designing and Prototyping a Smart Dimmer

Designing and Prototyping a Smart Dimmer

The final prototype was successfully made and tested. As was expected, it could be used for dimming light loads from LED to incandescent up to 500w from 0 to 100%. It could be controlled or scheduled by an app or manual control push on push off or push and hold to dim up or down. The use was also able to group lights, set timers, etc. with the app.
The product could also be used to control other devices remotely like a 2-way non-wired control, or a dimming fan base up to 500w, etc.

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Designing a customized pasta cooker

Designing a customized pasta cooker

The project took about 9 months to get successfully finished and delivered to the client. The main challenge was to make sure that the cooking pattern was what the client had requested; therefore, it was actually tested by the client before the final prototype was made.

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Designing and Prototyping a wireless Scissor Cut Counter

Designing and Prototyping a wireless Scissor Cut Counter

The design took about 16 months to get designed, prototyped and successfully tested.
Some of the main features of the final product included the followings:
The PCB size requirement was met according to the given size with an even less thickness of 4mm that made its enclosing into the scissor’s handle easier.
The power management was done by using a battery management IC and within the firmware so that during the normal operation of the system, the power usage would be minimum.

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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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