Last seen: Jun 03, 2014 7:52 AM EDT
Hire Me!
Rate: $50.00 USD/hour
Follow Invite to Project


Telecomunication engineer.

Username: grrod

  • Has made a deposit.
  • Has verified their email address.
  • Has completed their profile.
  • Has verified their secure phone number.
  • Verified
  • Payment is not verified.

Location: Calatayud, Spain

Member since: March 2012



(16 reviews)

[see more]

No user has recommended this freelancer.

My projects:

  • $30.00 USD
    Profile image for Seller alexanderledig


    Feb 5, 2014

    very quick and professional

    Project Description:I have a productive Server running and my FTP uploads have recently gone very slow. Downloads are fine. I tried from different clients and also tried my client connected to other servers. The problem ist definetely the server...
  • [Sealed]
    Profile image for Seller eas1975


    Jan 21, 2014

    Great and fast communicator !

    Project Description:A Bash shell script should a) dump from an existing Mysql-database ALPHA a dump, and update with this dump a Mysql-database on another server, BETA. Problem: no direct Mysql connection on BETA possible...
  • €321.50 EUR
    Profile image for Seller johanverhaar


    Jan 8, 2014

    great freelancer, will hire again

    Project Description:We are considering using arduino for switching digital outputs. The aim is to illuminate leds when an event is raised in an ms access database. The ms access database will be on a server in the same network subnet as the arduino...
  • [Sealed]
    Profile image for Seller etechlancer


    Jan 3, 2014

    Good works, thanks

    Project Description:I need to do some matlab work it involves MatLab for graphing and calculations. I have complete details which i can share wit hyou. Please get back to me asap. Its an urgent SMALL job and need to be finish...
  • $1250.00 USD
    Profile image for Seller osmosishk


    Oct 15, 2013

    Very good and relialbe partner

    Project Description:We would like make a arduino modules with RS485 data logging for Modbus address . The primary connected device are Power meter units from Schnieder or Circutor by reading specific Modbus address for data logging every 60 secs ...
  • $200.00 USD
    Profile image for Seller subpole


    Jul 31, 2013

    very good. very dedicated.

    Project Description:Hello there. I messed up on my previous bid, but i'd like to see if you are still interested. I have a sensor based Arduino system up and running and feeding bluetooth data to an android device. I need some help developing the application for Android Jellybean 4.2...
  • $370.00 USD
    Profile image for Seller doonooh123


    Jul 4, 2013

    Very hard worker. Gives updates everyday and follows up with any problems.HIGHLY RECOMMENDED!

    Project Description:Arduino board experts needed for a single project. This project involves audio transmission, and all other mechatronics related fields. Please bid according to your skills. Thank you
  • $133.00 USD
    Profile image for Seller emeksome


    Jun 25, 2013

    he did great job, very quick and professional. i recommend him to everyone.

    Project Description:N/A
  • €110.00 EUR
    Profile image for Seller nauelec


    Jun 6, 2013

    Muy buena atención, y rápida resolución del proyecto. Recomendable 100%

    Project Description:Configurar 4 entradas de alarma en arduino+ethernet shield, para que envia notificicaciones push a sistema IOS a traves de APP Prowl. Soy aficionado a arduino pero necesito ayuda para desarrolar este proyecto rápido para un cliente...
  • $107.00 USD
    Profile image for Seller albertilie89albr


    Jun 3, 2013

    An very communicative guy, dedicated on his work. friendly, helpful... an guy that you can trust without any doubts... i gladly recommend him

    Project Description:need to implement in matlab multiple adaptive filters and studying their performance for interest voices separation from a record. need to make an software package that should contain adaptive filters...
    Greg has not completed any projects.
  • €750 EUR In Progress

    Equipamento: Arduino Ethernet c/ SD card\\\\r\\\\n\\\\r\\\\nRegisto de Entrada/saída em/de estacionamento. Deverá haver a leitura do cartão HID (protocolo Wiegand) e o estado do anel de presença de automóvel. Se a barreira levantou o carro deu entrada. Estes elementos já existem a funcionar. O registo deve ser sequencial e permitir a leitura do SD card via Ethernet a partir de um computador (ficheiro CSV ou outro equivalente)\\\\r\\\\n\\\\r\\\\nID; Sentido; NrHID; Auth; TimeStamp (ver descritivo abaixo)\\\\r\\\\n\\\\r\\\\nID = Identificador automático sequencial\\\\r\\\\nSentido = Entrada, Saída\\\\r\\\\nNrHID = Nr. Do cartão (decimal, lido da saída wiegand de equipamento já existente)\\\\r\\\\nAuth = Houve ou não autorização(0 ou 1). Dada pela abertura ou não da barreira no timeout 2segundos\\\\r\\\\nTimeStamp = Registo da data hora, em Tempo-real (RTC). Precisa de se sincronizar periodicamente com servidor NTP

  • $1400 USD Mar 1, 2014

    Implement OCPP (Open Charge Point protocol) on a Arduino platfom (Mega 2560). Testing against simulator. See

  • €1000 EUR Feb 13, 2014

    We need an arduino shield that can communicate with z-wave.The following example: not speak zwave protocol. We need to communicate withthe z-wave devices in the home-centers, for example: is one-way communication of simple on-off commands.Please do not exceed the max price. You will be responsible for all materials you need for prototypingthe board and testing the device. You will deliver a working prototype with PCB designs, schematics,and software. You must be able to control the 45604.

  • $50 USD Dec 23, 2013

    in 3 hours i will have a matlab test and I need help in the fastest time possible. Matlab test will include functions and numerical applications

  • $277 USD Nov 20, 2013

    We require a simple web interface that will send Pelco D commands to a PTZ camera via RS422 for a proof of concept. The hardware for this solution will be a Raspberry PI Type B with a USB to RS422 adapter

  • ₹170000 INR Oct 17, 2013

    Networking Cape for BeagleBone BlackDesign a Data Communication/ Networking Cape for BeagleBone Black with ‘8’ RS232/ RS422/ RS485 D-Sub9 ports with full signals.Beahlglebone comes with one or two RS232 port. We need to develop an interface through which we can simultaneously connect 8 devices via serial interfaces RS232/422/485. We need to probably use the UART signals available with beagle bone and maybe multiplex them. Also we need to develop the firmware for the same..We want to learn how to design the circuit, develop it, create firmware/ drivers for Linux and adequate testing of the same.

  • $1888 USD Oct 6, 2013

    Microcontroller Assignment 1. Task: Implement Pong and Breakout video games on the Teensy with the PCD8544 LCD screen. The game will be written in the C programming language. The human interface for the game will be the provided buttons, LEDs and LCD screen which will send and receive communication through the ATMEGA32’s SPI communication port.

    Greg does not have any open projects.
    Greg does not have any work in progress.
[see more]


[see more]




Sep 2009 - Sep 2011 (2 years)


Research project with matlab, biomedic, IEEE papers, stats, math, signal, systems, filters, scripts, etc.


Ingeniero Superior en Telecomunicación

Universidad de Alcalá