Esteban T. Profile

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4.8

(27 reviews)

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$10 USD / hour

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

$10 USD / hour

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.

See all Electronics Engineers in Argentina

Contact Esteban T. about your job

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

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

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

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Showing 1 - 5 out of 27 reviews

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5.0

$150.00 USD

Automatic plant lighting system

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.

Horrace O.

@horrace04

•

2 months ago

5.0

$220.00 USD

Electronic Door Counter (Foot Traffic Counter)

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

Richard F.

@rafman1970

•

7 months ago

5.0

£200.00 GBP

Design pcb for cricket scoreboard

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

Tim C.

@gthclare

•

10 months ago

5.0

$15.00 USD

Project for Esteban T.

He helped me with my issue with little to no notice. very satisfied.

Electronics

Microcontroller

Electrical Engineering

PCB Layout

Hire me

Arduino

Steve B.

@updatevw

•

10 months ago

5.0

$150.00 AUD

Proxmox Hetzner Network Configuration

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

Network Administration

Brendin B.

@Mysteriouss1

•

11 months ago

Education

Electric technician, with specialization in industrial electronics

Argentina

2002 - 2009

(7 years)

Qualifications

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.