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$10 USD / hour
Flag of ARFlag of AR
rosario, argentina
$10 USD / hour
It's currently 11:50 PM here
Joined January 25, 2016
6 Recommendations

Esteban T.

@estebantoribio

4.8
(27 reviews)
4.8
(27 reviews)
4.8
4.8
$10 USD / hour
Flag of ARFlag of AR
rosario, argentina
$10 USD / hour
97%
Jobs Completed
100%
On Budget
91%
On Time
10%
Repeat Hire Rate

Advanced Electronic Engineering Student

Hi there! My name is Esteban. I'm an Electrical Technician and finishing my studies in Electronics Engineering. The areas I like to work in are: Programming & Networking PCB Design & production Mathematics & Physics Also I have the equipment to produce up to 200x290 mm double sided PCBs, with the possibility to ship worldwide. If there is anything I can help you with, please let me know.
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Electronics Engineers
Argentina

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Portfolio Items

Specific design requested by employer for a display controller. Schematic designed to control low power 7 digit displays, PCB design and 3D model design.
Schematic & PCB Design
Specific design requested by employer for a display controller. Schematic designed to control low power 7 digit displays, PCB design and 3D model design.
Schematic & PCB Design
Specific design requested by employer for a display controller. Schematic designed to control low power 7 digit displays, PCB design and 3D model design.
Schematic & PCB Design
The client requested to implement a Software Block diagram in  Arduino Platform. 
The project consisted in an Interactive RFID Card Reader & Payment Kiosk System with the following characteristics:
Use of MFRC522 RFID Module
Each card has a different R&W password, generated with an algorithm from the card's UId, the reader needed to implement this algorithm for R&W operations.
Verification that the cards were Mifare 1K.
Implementation of a Blacklist to avoid access of unwanted cards.
Floating-point datatype payment system, each card stores the credit and the system needed to subtract the product value selected by the user.
LCD 16x2 display and buttons for user interaction.
Payment Kiosk System
Arduino circuit design and code debugging. The employer had a code that was not measuring frequency accurately, the code was reviewed and new functions where implemented.
Arduino debugging.
Design of a PCB HAT (Hardware Attached on Top) for an existing board design. Work completely done in Eagle CAD. Schematic design, PCB design and Gerber files.
Schematic and PCB design
Circuit designed with Eagle, two versions of the board where created.
Schematic Design + PCB Design + Gerber files
Version with Through Hole components.
Version with Surface Mount components.
Board Design
Circuit designed with Eagle, two versions of the board where created.
Schematic Design + PCB Design + Gerber files
Version with Through Hole components.
Version with Surface Mount components.
Board Design
Circuit designed with Eagle, two versions of the board where created.
Schematic Design + PCB Design + Gerber files
Version with Through Hole components.
Version with Surface Mount components.
Board Design
Solving requested analog electronics related exercises in English by hand.
Phasor method, power factor, average power, reactive and apparent power, complex power.
Electronics Problem Solving
Solving requested analog electronics related exercises in English by hand.
Phasor method, power factor, average power, reactive and apparent power, complex power.
Electronics Problem Solving
Solving requested analog electronics related exercises in English by hand.
Phasor method, power factor, average power, reactive and apparent power, complex power.
Electronics Problem Solving
Solving requested analog electronics related exercises in English by hand.
Phasor method, power factor, average power, reactive and apparent power, complex power.
Electronics Problem Solving
Solving requested analog electronics related exercises in English by hand.
Phasor method, power factor, average power, reactive and apparent power, complex power.
Electronics Problem Solving

Reviews

Changes saved
Showing 1 - 5 out of 27 reviews
Filter reviews by: 5.0
$150.00 USD
Amazing! He's extremely professional and did an outstanding job. He's also very respectful, stays true to his job and sticks to his word. If I could give him a higher rating than 5 stars I would. I was very impressed at the product he delivered and I'm looking forward to working with him again.
C Programming
Electronics
Microcontroller
C++ Programming
H
Flag of US Horrace O. @horrace04
2 months ago
5.0
$220.00 USD
Really easy to work with, my requirements were not easy to understand and Esteban did an outstanding job meeting these. [18 August, 2020] Great freelancer, happily use again.
Electronics
Electrical Engineering
RESTful API
Electronic Design
R
Flag of NZ Richard F. @rafman1970
7 months ago
5.0
£200.00 GBP
Esteban was professional from the start. He interpreted and understood my requirement from the start. He helped me through the process as this was my first project and delivered his to his milestones on time. The design was completed and all the necessary files provided to all me to source a manufacturer and get my project moving. I would be more than happy to use him again should the need arise in the future.
Electronics
Electrical Engineering
PCB Layout
Product Design
Circuit Design
G
Flag of GB Tim C. @gthclare
10 months ago
5.0
$15.00 USD
He helped me with my issue with little to no notice. very satisfied.
Electronics
Microcontroller
Electrical Engineering
PCB Layout
Hire me
Arduino
U
Flag of US Steve B. @updatevw
10 months ago
5.0
$150.00 AUD
Esteban is a great person to work with. I had many problems i didn't understand for my server for weeks and this guy did it within a day. If anyone need help with servers, Esteban is your man to fix it! Very professional 10/10
System Admin
Linux
DNS
Windows Server
Network Administration
User Avatar
Flag of AU Brendin B. @Mysteriouss1
11 months ago

Education

Electric technician, with specialization in industrial electronics

Argentina 2002 - 2009
(7 years)

Qualifications

First Certificate in English (FCE)

Cambridge English
2009
A Cambridge English: First (FCE) qualification proves you have the language skills to live and work independently in an English-speaking country or study on courses taught in English.

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Certifications

numeracy_1.png Basic Numeracy 1 98% preferredfreelancer-1.png Preferred Freelancer Program SLA 1 94% spanish-1.png Spanish 1 93% data_entry_1.png Data Entry 1 90% us_eng_1.png US English 1 88%

Top Skills

Electronics 15 Electrical Engineering 14 Arduino 13 PCB Layout 12 Microcontroller 9
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