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warudj

Electrical engineer

Username: warudj

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Location: Malang, Indonesia

Member since: March 2007

Reputation:

5.0/5

(59 reviews)

5.6
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1 user has recommended this freelancer.

My projects:

  • $50.00 USD
    5.0
    Profile image for Seller jdhb

    jdhb

    May 24, 2014

    Waru DJ, has once again done an excellent job.

    Project Description:Layout small rectifier board in EagleCAD
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  • $100.00 USD
    5.0
    Profile image for Seller jdhb

    jdhb

    Mar 4, 2014

    Waru Dj,always does his best. I would always recommend him.

    Project Description:Layout of PCB
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  • $100.00 USD
    5.0
    Profile image for Seller jdhb

    jdhb

    Aug 8, 2013

    Always the best work....Thank You.JDHB

    Project Description:Layout of PCB
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  • $150.00 USD
    5.0
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    jdhb

    May 31, 2013

    Great Worker!!!

    Project Description:Layout of PCB Board. Change IC2 to the LM1117. IC2 TAB sgould have big enough heat-sink on copper Re-do Gerber files with local creation to the project folder Change file versions to 1.4
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  • $60.37 USD
    5.0
    Profile image for Seller harrys2003

    harrys2003

    Oct 17, 2012

    Very hard working and driven person willing to go the extra mile to satisfy the customer!

    Project Description:[Project Description hidden]
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  • $40.50 USD
    5.0
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    harrys2003

    Oct 12, 2012

    Rating: 5.0/5.0

    Project Description:[Project Description hidden]
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  • $50.15 USD
    5.0
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    harrys2003

    Aug 14, 2012

    Great work!

    Project Description:[Project Description hidden]
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  • $53.10 USD
    5.0
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    harrys2003

    Aug 14, 2012

    Rating: 5.0/5.0

    Project Description:[Project Description hidden]
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  • $50.00 USD
    5.0
    Profile image for Seller harrys2003

    harrys2003

    Jul 23, 2012

    great work - will definitely work with this person again!

    Project Description:[Project Description hidden]
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  • $87.50 USD
    5.0
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    jdhb

    Jun 5, 2012

    Waru Dj, as always has done an excellent job in my project. JDHB

    Project Description:[Project Description hidden]
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    warudj has not completed any projects.
  • $10 USD/hr In Progress

    Hi I need a rechargeable bluethooth chip that be able to connect with any bluetooth device. One button to switch on / off / Pair. One LED. The same that any bluetooth headset, but without speaker and without mic, just be able to create the conection. A ride in a park for someone with Your skills. :)

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  • £200 GBP 3 days ago

    I am using a type of real time clock alongside an arduino UNO. I have found some old code but it"s narrative and effectiveness leaves a lot to be desired. I need someone who is proficient in reading schematics for IC pinouts and the setting up of legacy IC"s. The end goal is for two separate sketches that will enable me to program/initialise the two types of RTC. These being Texas instruments BQ3285p and BQ4845p. The main issue at the moment is initialising the oscillator as this appears to have been omitted in the original code and this needs to be written in as according to the PDF datasheets this needs to be done with new chips. The schematic with the code is poor to say the least, so some forensic deciphering of the pin outs and cross referenced with the code will be necessary. At a later stage for those with experience of using Eagle, I will require a design for a breakout board using either or both chips for starters. Where successful there are other RTCS which could be useful and this could entail similar diagnostic work/code writing. At the moment I have several of the chips and have got the 3285 working but the stumbling block is the initialising of the oscillator, I am sure this is a software i.e. code issue.SKILLS required, electronic engineering fault finding, conversant with arduino code, ideally exposure to using rtcs and microcontrollers desirable in a commercial setting and experience using legacy IC"s.

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  • ₹110000 INR 6 days ago

    PCB Layout design,Embedded Hardware Design, Board Design etc

  • $15 USD/hr 6 days ago

    Need a PCB layout engineer to design printed circuit boards.Preferred tools:1. Altium2. Eagle3. Orcad/Allegro4. Diptrace5. Kicad6. Mentor PADSFreelancer should be expert in any one of the above mentioned PCB tool. More than one tool expertise is an added advantage.Freelancer should deliver the below,1. Schematic2. Footprint"s3. Layout4. Gerber files5. Assembly files6. Bill of MaterialsThanks !

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  • $500 USD 10 days ago

    I am looking to establish a long-term relationship with an electrical engineer with embedded design experience for several projects. The initial project is an electronic device that embodies the following sensors/capabilities:Heart Rate - Electrocardiogram (ECG/EKG) + Respiration3 or 6 axis Accelerometer - Motion and gesture recognitionTemperature SensorOLED Display Bluetooth Low Energy (BLE)Wireless Access Point/Gateway to transfer sensor information to cloud for evaluation/illustration/etc. If the engineer believes it is possible to incorporate a GPS without suffering too much battery life, then GPS capability would be great, too. If the engineer believes it is possible to incorporate wireless charging or actually motion charging (preferred), then that would be great, too. There is at least 3 other projects which incorporate the sensors above in various other fashions. Please send me a private message with your thoughts/estimates/questions/concerns and ideas. Additional information can be provided to you at any time.

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  • £150 GBP 11 days ago

    See PDF attached. I require a Instrumentation and control Engineer or electrical engineer. To specify parts and create a diagram of the control box. All details are attached. Prior to awarding you must explain to me that you fully understand the requirement, and that you have the experience to do this.

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  • $2500 USD 12 days ago

    I am looking for someone with experience in programming circuit boards in assembly. I am designing a small circuit board as part of a new digital camera, and need the board to be able to communicate with the image sensors, write to an SD card, and be powered by a small Lithium polymer battery. The perfect candidate will have experience programming circuit board from concept to production on small electronic devices. Experience working with common image (.jpg), and video (H.264) codecs is a plus. I am based in California, but am willing to work with the right person anywhere in the world.

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  • $600 USD 13 days ago

    I need a software for writing and reading chip cards for equipment mcr200 it has support for chip cards

  • $750 USD 14 days ago

    I need the following product design:Duel band frequency generator made from modules to reduce the time of manufacturing with examples below.I need the following function:LED 4 second flash indicatorFrequency transmission to feed a coil (frequency + harmonic + carrier wave)Power supply to be adjusted or amplifier to be adjusted with a stereo as to adjust both the same timeManage the frequencies via a TFTIf a psb is made – single layer2 Channel outputChannel 1: Frequency 0 to 2mhz square wave11th harmonis on the above frequency3.1mhz signwave carrier frequencyChannel 2:Same as above just 180degreeModules examples but the best product must be researched for the application:http://www.aliexpress.com/item/5-5-0-inch-800x480-TFT-LCD-Module-Display-w-Controller-SSD1963-Touch-Panel-MicroSD-Font/1598431434.htmlhttp://www.aliexpress.com/item/New-AD9850-DDS-Signal-Generator-Module-0-40MHz-Test-Equipment/747825469.htmlhttp://www.aliexpress.com/item/Free-Shipping-DC-24V-3A-72W-LED-Switching-Power-Supply-Module-Plate-Industrial-Board-Isolated-Converter/1742323675.htmlhttp://www.aliexpress.com/wholesale?SearchText=24v+power+supply&catId=&initiative_id=AS_20140710052605Frequency management via touch screen (tft) Atmega 2560 programming:See file attached

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  • $1250 USD 14 days ago

    You will be designing a PCB that has a wifi chip, a audio dsp, and audio amplifier to support 2 X 50 Watt speakers. Control software will be through iphone or android phone or onboard webserver.

  • $250 USD 14 days ago

    I have 2 electronic boards that was designed 5 years ago. I need to update the design with latest components available. There is on power board and one logic board. For the logic board is around 2000 pin electronics including components like:OMAP, CPLD/FPGA, ARINC 429, Analog Audio, RS485/RS232, SAW Filter at GPS ANT IN, I2C Bus, HL8548, USB OTG, MoDems etc... For the power supply board, it has to be fully re-designed with following specs;1 The power supply is a separate PCB with input range from 3VDC to 70VDC2 Primary Power Supply INPUT: 28V nominalOUTPUT 1: 5V @ 4 A (peak up to 7A) (IRIDIUM + THURAYA + OMAP)OUTPUT 2: 3.3V @ 2 A (peak up to 3A) (DECT + LOGIC BOARD)OUTPUT 3: 3.7V @ 1 A (peak up to 1.5A) (TETRA+GSM)OUTPUT 4: 30V @ 1A max -----------------------------------------------------------------------------------------------------IRIDIUM range 3.2 to 6V and capable of supplying a maximum current of 500mA. THURAYA 5V 1a peak 2A-----------------------------------------------------------------------------------------------------DECT MoDem 3.1 V to 3.5 V DC for digital part, 3.0 V to 4.6 V DC / 110mA-----------------------------------------------------------------------------------------------------TETRA 3,7 @ 500mA maxGSM 3.7 VDC @ 300mA max3 Input Protection is provided against Surge, Current Overdraw and Inverse Polarity.

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  • $500 AUD 15 days ago

    I need algorithm for sequential decison making: prediction on diffrent points to get the decisions.1- I need the algorithm to be implemented in MATLAB. I will recive the code as m file2-I need algorithm documentation.to be implemented to accept user entrey: dataset and actual decisons.the output: prediction at diffrent points.

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  • $1250 USD 16 days ago

    We need a person who will be able to program our PCB

  • £250 GBP 16 days ago

    We require a full design service for a small prototype Printed Circuit Board.The design must meet the requirements of the PCB manufacturer, Seeedstudio. Payment in full will not be made until Seeedstudio have accepted and approved all designs.The design required is for a small PCB that will include a Bluegiga BLE121LR module, voltage regulator, programming pins and the recommended components shown in the BLE121LR Datasheet. Provision for an optional battery connector will be required. A final circuit will be provided.It is important that the design complies with the RF requirements set out in the datasheet.Quotations should include price for each item required by the PCB manufacturer as well as an estimated completion time for the work.Previous examples of work to be provided

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  • $250 USD 16 days ago

    hello there is implementation in detail and i have wrong results .please get back to me please do the simulations and get back to me

  • $4500 USD 18 days ago

    I am looking to hire an engineer or hardware specialist to help design a memory product.

  • $35 USD/hr 18 days ago

    This project is to work with and finish a alerady strated project. We need a candidate with Low level embedded C programming skils. This project use different freescale Kinetis MCU ARM cortex-M Microcontrollers to control a number of device for a new smarthouse solution (control of ligthning, heating, audio and video)Please check out our company here: www.electrocompaniet.noand find more information of this and other position/candidates here:http://www.electrocompaniet.no/opencms/careers/embedded_careers.htmlhttp://www.electrocompaniet.no/opencms/careers/Digital_team.htmlThis link is written as a open position, but we are open for use of frelancers for this positions.We want to have you on site (at our factory), for this project.We will take all cost for transport and cost for living.

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  • R5000 ZAR 18 days ago

    I need Thermoelectric Peltier Cooler circuit with a temperature controller and a temperature sensor. These coolers need a heatsink on the hot side otherwise they blow. I need the heatsink to be as flat as possible I basically need the cool side of the Peltier to maintain water at a specific temperature even if the water temperature goes up due to external factors. I want a price for 2 options. 1. A physical hardware controller that maintains temprature according to a temprature switch or a bluetooth controlled system via android.

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  • ₹1250 INR/hr 18 days ago

    Looking for someone to draw a basic electrical circuit schematic based on a simple PCB board design as attached. I"ll be providing a lot more photos to show you more details to the one who takes this project.Work is expected to be done as soon as possible - within a day (24 hrs) would be perfect.Much thanks in advance!

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  • [Sealed] Mar 6, 2014

    [This is a Private Project. You must be logged in to view the Project Description]

    warudj does not have any open projects.
    warudj does not have any work in progress.
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