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$5 USD / hour
Flag of ETHIOPIA
addis ababa, ethiopia
$5 USD / hour
It's currently 11:46 PM here
Joined March 5, 2016
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Solomon K.

@solomonalemu66

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$5 USD / hour
Flag of ETHIOPIA
addis ababa, ethiopia
$5 USD / hour
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Electronics Engineer

An Electrical Engineer with a proven experience gained through working within an Electrical and electronics manufacturing industry. Proficient in embedded systems programming (C, C++) and devoted in Electronics system and devices, designing and manufacturing. Highly skilled in data crunching and analysis, control systems, and power electronics. A Profound Electrical Engineering professional, who graduated in Electrical Engineering from the Addis Ababa University Institute of technology.
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Portfolio

5377709
The Digital Ohmeter was intended to fit the purpose of having stand alone digital pocket ohm meter. I can measure resistance from 1 ohm upto 20 mega ohm with an accuracy of 1 % from 1 ohm to 10k and with 0.25% accuracy from 10k to 20M ohm. A labview based Desktop application along with arduino microcontroller were designed for collecting and displaying readings.
Digital Ohm meter 1 ohm up to 20M ohm
The Digital Ohmeter was intended to fit the purpose of having stand alone digital pocket ohm meter. I can measure resistance from 1 ohm upto 20 mega ohm with an accuracy of 1 % from 1 ohm to 10k and with 0.25% accuracy from 10k to 20M ohm. A labview based Desktop application along with arduino microcontroller were designed for collecting and displaying readings.
Digital Ohm meter 1 ohm up to 20M ohm
5377654
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
5377568
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
5376415
This Capacitive Power Supply was Implemented In the Digital Energy meter of dVentus Wind Technologies plc. I have Fully designed this power supply starting from design, preparation, simulation, schematic layout, PCB layout design and finally BOM generation. The Design and simulation was performed on proteus schematic capture. Features and Specs: 1. Input Voltage 180 to 270 Vac. 2. Output voltage 5V 1% with Voltage ripple. 2. 200mA and above output current. 4. Short circuit and Overvoltage protections.
Capacitive Power Supply Design
This Capacitive Power Supply was Implemented In the Digital Energy meter of dVentus Wind Technologies plc. I have Fully designed this power supply starting from design, preparation, simulation, schematic layout, PCB layout design and finally BOM generation. The Design and simulation was performed on proteus schematic capture. Features and Specs: 1. Input Voltage 180 to 270 Vac. 2. Output voltage 5V 1% with Voltage ripple. 2. 200mA and above output current. 4. Short circuit and Overvoltage protections.
Capacitive Power Supply Design
5376308
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter
5377709
The Digital Ohmeter was intended to fit the purpose of having stand alone digital pocket ohm meter. I can measure resistance from 1 ohm upto 20 mega ohm with an accuracy of 1 % from 1 ohm to 10k and with 0.25% accuracy from 10k to 20M ohm. A labview based Desktop application along with arduino microcontroller were designed for collecting and displaying readings.
Digital Ohm meter 1 ohm up to 20M ohm
The Digital Ohmeter was intended to fit the purpose of having stand alone digital pocket ohm meter. I can measure resistance from 1 ohm upto 20 mega ohm with an accuracy of 1 % from 1 ohm to 10k and with 0.25% accuracy from 10k to 20M ohm. A labview based Desktop application along with arduino microcontroller were designed for collecting and displaying readings.
Digital Ohm meter 1 ohm up to 20M ohm
5377654
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
This Linear Regulated power supply was intended was intended to be integrated into An Electronics laboratory kit. It takes 170Vac to 270Vac input voltage and converts to variable 0 to 20V DC voltage. I has 20Watt ratting and it encompasses Overcurent and inrush current protector, snuber, and load regulation. It was fully implemented, tested and functional. proteus was being used for designing and simulation of schematic layout. The single layer PCB layout was also desinged by proteus. Features: - Variable Voltage output(0 to 20Vdc). - Voltage level adjustment knob. - 1% Voltage ripple and load regulation mechanism. - 3 digit seven segment display. Key accomplishments: - Fully Functional PCBA prototype. - Well Integrated with the Educational kit. - Reliable during operation.
Linear Regulated 20 Watt power supply.
5377568
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
The Generic 20 Hz to 20 kHz Signal/Function Generator was intended to serve as A part of a high school Physics and Electronic Laborator kit project. It generates 4 major waveforms, which are Sine, Pulse, Square and Triangle signals. It was designed to work by AC supply and the Output voltage for all waveforms are 20Vpp and the output load was designed to support up to 2A current ratting. It was also integrated with a Java desktop Application via Arduino ADC to Serial Interface.On of the unique features of this function generator is its capability to detect and measure peak Voltage and reporting of events like overcurrent overvoltage to the desktop app. Key accomplishments. - Prepared Functional design specification. - Designed and selected concept topology. - Simulation and Design validation via Proteus. - Schematic and PCB layout design by proteus. - PCBA manufactring, test.
Generic 20 Hz to 20 kHz Signal/Function Generator.
5376415
This Capacitive Power Supply was Implemented In the Digital Energy meter of dVentus Wind Technologies plc. I have Fully designed this power supply starting from design, preparation, simulation, schematic layout, PCB layout design and finally BOM generation. The Design and simulation was performed on proteus schematic capture. Features and Specs: 1. Input Voltage 180 to 270 Vac. 2. Output voltage 5V 1% with Voltage ripple. 2. 200mA and above output current. 4. Short circuit and Overvoltage protections.
Capacitive Power Supply Design
This Capacitive Power Supply was Implemented In the Digital Energy meter of dVentus Wind Technologies plc. I have Fully designed this power supply starting from design, preparation, simulation, schematic layout, PCB layout design and finally BOM generation. The Design and simulation was performed on proteus schematic capture. Features and Specs: 1. Input Voltage 180 to 270 Vac. 2. Output voltage 5V 1% with Voltage ripple. 2. 200mA and above output current. 4. Short circuit and Overvoltage protections.
Capacitive Power Supply Design
5376308
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter
General Purpose SPWM Inverter (GPRS) is one of the projects, I solely work on while I am working with dVentus Wind Technologies plc. It has the following functions and features. Functions 1. Power stage - DC to AC bridge, Output Filters. 2. Controlling: SPWM Modulated Gate Drive, Isolated voltage Feedback. 3. Sensing and Conditioning: TMS320F28035 micro-controller for controller Implementation and User Interface. 4. Power supply: Buck converters, And LDO's for board supply. Features: 1. Protection: short circuit/over current, inrush current, over voltage protections.THD, EMC regulation and output isolation. 2. Battery level indicator: LED bar indicators. 3. User Interface: UART for reading timestamped voltage and Events. Utilized tools. - Altium designer 2014. - Matlab script and Simulink. - Excel. Key Accomplishments. -Functional design specification and concept Designig. - Schematic drawing. - 4 layered PCB layout and Gerber. - BOM. - Design Validation and Prototype test.
General Purpose 200Watt, SPWM Inverter

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Experience

Electrical Engineer I

dVentus Wind Technologies PLC.
Sep 2016 - Present
I have been working IndVentus Wind Technologies PLC In the "Electrical Engineering I" position for the past three years.My Main activities and responsibilities were, - Design, development, support and implementation of analogue and digital circuit design for motion control. - Design, development, implementation and test of firmware for motion control and smart meters. - Desgin Validation by testing prototypes: developing test plans, simulations, diagnostic procedures using test equipment.

Education

Bachelor of Science In Electrical Engineering (Electronics)

Addis Ababa University, Ethiopia 2011 - 2016
(5 years)

Qualifications

Certification of best Performance.

Center of Excelence for Engineering (CEE), Addis Ababa, Ethiopia.
2015
This Certification was awarded to me for the best performance I had on the demand analysis of micro and small enterprises for a "Biofuel driven Tractor manufacturing project".

Certification of On the Job training Completion.

dVentus Wind Technologies PLC.
2017
This Certification Was awarded to be for the Best performance and Completion of the On the Job Training for the Graduate Electrical Engineer I position.

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C Programming
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Electronics
Excel

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