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Abdur-Rafiq

@abdurRafiqM

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4.6
18

5.3

5.3

100%

Electrical & Electronics Engineer, Member IEEE

$20 USD / Hour

・

Flag of NIGERIA

Nigeria (2:40 PM)

・

Joined on January 24, 2025

・

1 Recommendation

$20 USD / Hour

・

Hi, I am Abdur-Rafiq an experienced Electrical and electronics Engineer specialized in PCB Design, Circuit Design, Circuit simulation and Professional Consultation. I am well experienced in the use of tools like ALTIUM Designer, KICAD, EASYEDA, Multisim, LTSPICE etc. I deliver my work to the taste of my client and as early as needed. I have experience in designs for Power systems, Mixed Signal systems, Analog and digital System, etc for various uses including commercial, industrial and hobbyist. Fell free to message me for any question Best Regards Abdur-Rafiq

Verifications

On time

82%

On budget

100%

Accept rate

100%

Repeat hire rate

13%

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Portfolio

Portfolio

14069835
The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

14069827
The design is a HAT board for a Raspberry PICO W that converts 12V input into filtered 5V supply for the PICO, also provides a Connector for external 5V, a filtered 5V for NFC reader and a PICO controlled LED Output. The design features a 2 layer PCB that is designed to fit the rules and DFM for JLCPCB manufacturing and assembly

Raspberry PICO Power HAT

The design is a HAT board for a Raspberry PICO W that converts 12V input into filtered 5V supply for the PICO, also provides a Connector for external 5V, a filtered 5V for NFC reader and a PICO controlled LED Output. The design features a 2 layer PCB that is designed to fit the rules and DFM for JLCPCB manufacturing and assembly

Raspberry PICO Power HAT

14006433
This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

13717410
The design is a rain, temperature and other weatehr sensing borad designed to be attached to street lights through a NEMA connector. The design uses STM32 and an LTE module to measure and send details of the reading via mobile.

Rain Guage sensing board

13717401
The design is a Wifi UPS board that take a 12v 3A input from a wall adapter and also uses a battery as backup power and switches immediately once power is off. the design also delivers a 12V 3A output for Wi-Fi Routers

Wifi UPS Design

13717396
The Design ia a noise sensor Based on an ESP32 MCU meat to be installed on a street light through the NEMA Protocol and used to identify sounds Such as cry for help, Sirens, etc.

ESP based noise sensor

14069835
The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

The design features and ESP32-s3 based board for grid monitoring. the design also includes a FPC connector for ov3660 camera module, an onboard amplifier and speaker connector ,a digital microphone and an addressable LED

ESP32 Camera Board

14069827
The design is a HAT board for a Raspberry PICO W that converts 12V input into filtered 5V supply for the PICO, also provides a Connector for external 5V, a filtered 5V for NFC reader and a PICO controlled LED Output. The design features a 2 layer PCB that is designed to fit the rules and DFM for JLCPCB manufacturing and assembly

Raspberry PICO Power HAT

The design is a HAT board for a Raspberry PICO W that converts 12V input into filtered 5V supply for the PICO, also provides a Connector for external 5V, a filtered 5V for NFC reader and a PICO controlled LED Output. The design features a 2 layer PCB that is designed to fit the rules and DFM for JLCPCB manufacturing and assembly

Raspberry PICO Power HAT

14006433
This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

This project is a multi-sensor integrated breakers board driven/commaded with a MCU (STM32G474RBT) chip which helps in enhancing the efficiency in avionics systems in student projects interms of speed, area, power consumption and more. This module consists of 4 different sensors organised using an ARM Cortex M4 chip to make sure the cumulated data is driven to host MCU with high data rates and minimum power consumptions.

Integrated Sensor Aggregation Module

13717410
The design is a rain, temperature and other weatehr sensing borad designed to be attached to street lights through a NEMA connector. The design uses STM32 and an LTE module to measure and send details of the reading via mobile.

Rain Guage sensing board

13717401
The design is a Wifi UPS board that take a 12v 3A input from a wall adapter and also uses a battery as backup power and switches immediately once power is off. the design also delivers a 12V 3A output for Wi-Fi Routers

Wifi UPS Design

13717396
The Design ia a noise sensor Based on an ESP32 MCU meat to be installed on a street light through the NEMA Protocol and used to identify sounds Such as cry for help, Sirens, etc.

ESP based noise sensor

4.6 · 18 Reviews
18 Reviews
R
Flag of INDIA

Saleem

5.0

₹10,000 INR

23 minutes ago

ESP32 DevBoard with GSM

I am really happy to work with him. He has very good knowledge of designing.

Electronics
Electrical Engineering
PCB Layout
Circuit Design

+1 more

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H
Flag of GERMANY

Uwe

5.0

€95.12 EUR

2 months ago

Elektronik-KiCad-Projekt

Selten so einen kompetenten Menschen getroffen.In fachlicher und menschlicher Hinsicht.Da kann sich jeder eine Scheibe abschneiden,sogar ich.

Electronics
Electrical Engineering
PCB Layout
Circuit Design
Digital Electronics

+2 more

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Flag of PAKISTAN

Abid

5.0

$65 USD

2 months ago

PCB design

Very skilled and knowledgeable engineer with strong expertise in PCB and circuit design. The quality of work exceeded my expectations, and everything was delivered on time. Clear communication and great problem-solving abilities. Will definitely work with them again.

Electronics
Electrical Engineering
PCB Layout
Circuit Design

+1 more

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T
Flag of GERMANY

Twinkle

5.0

₹6,000 INR

2 months ago

ESP32 Camera PCB Design

Very professional and excellent work quality

Electronics
Microcontroller
Electrical Engineering
PCB Layout
Circuit Design

+5 more

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T
Flag of GERMANY

T.

5.0

€30 EUR

2 months ago

App-freier Trennungsalarm entwickeln -- 2

Abdur-Rafiq M. is competent and nice. I would like to work with him again anytime. Very good Job!

Wireless
Electronics

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Experience

Pcb designer

Jul, 2023 - Present

•

3 years, 1 month

Fiverr

Jul, 2023 - Present

•

3 years, 1 month

I work as a freelance PCB designer designing variuos types fo electronics for personal, consumer and industrial applications

Jul, 2023 - Present

•

3 years, 1 month

Education

University of Ilorin

2021 - 2025

•

4 years

Electrical and Electronics Engineering

Flag of NIGERIA

Nigeria

2021 - 2025

•

4 years

Qualifications

IEEE Membership Certificate

2026

Institute of Electrical and Electronics Engineers

Membership certificate for the Institute of Electrical and Electronics Engineers

2026

PCB Design

2024

Altium Academy

Detailed course on electronics design, PCB design and manufacturing with the use of Altium designer

2024

Certifications

Analog Electronics - Level 1

Analog Electronics

US English - Level 1

US English

P

Preferred Freelancer Program SLA

Freelancer logo US (International) / English
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