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    230 ceng sim900 trabajados encontrados, precios en USD

    We need eagle or gerber schematic + layout files. I guess you already did such project. Right now we use Gboard by Itead studio, but we need to make some changes in this board: 1) cut all unnecessary for us components (red sqares on pictures)...we use Gboard by Itead studio, but we need to make some changes in this board: 1) cut all unnecessary for us components (red sqares on pictures) 2) add Lipo accumulator and charger on board 3) add pin for detecting current battery status (working from net - accumulator fully charged; working from net - accumulator charging; working from accumulator). 4) add pins 66 (LED status of SIM900) and 52 (LED netlight of SIM900) on board 5) add mini-usb for power only. 6) if its possible - pcb should be like arduino uno and pins compatible with...

    $210 (Avg Bid)
    $210 Oferta promedio
    12 ofertas

    I need someone to write code for Arduino to use SIM900 to upload data to I have budget of 5-8 dollar

    $10 - $30
    $10 - $30
    0 ofertas

    We need eagle or gerber schematic + layout files. I guess you already did such project. Right now we use Gboard by Itead studio, but we need to make some changes in this board: 1) cut all unnecessary for us components (red sqares on pictures)...we use Gboard by Itead studio, but we need to make some changes in this board: 1) cut all unnecessary for us components (red sqares on pictures) 2) add Lipo accumulator and charger on board 3) add pin for detecting current battery status (working from net - accumulator fully charged; working from net - accumulator charging; working from accumulator). 4) add pins 66 (LED status of SIM900) and 52 (LED netlight of SIM900) on board 5) add mini-usb for power only. 6) if its possible - pcb should be like arduino uno and pins compatible with...

    $147 - $147
    $147 - $147
    0 ofertas

    I need a simple eagle project with SIM900 and Arduino Pro Mini and few relays. Basically I need an arduino based GSM relay board. The board needs to have dual on board regulated supply for the SIM900 and the Arduino & relays.

    $137 (Avg Bid)
    $137 Oferta promedio
    11 ofertas

    I need to upload every minute 10 variables to a google docs. I'm using Arduino uno + Sim900. I only need the code that stablish the gprs conection, and upload the info.

    $303 (Avg Bid)
    $303 Oferta promedio
    8 ofertas

    Part 1 Atmega2560-16AU Ethernet Shield Module W5100 Micro SD Card Slot SIM900 GSM/GPRS ICOMSAT V1.1 Analoge en digital inputs status reading and saving on SD card Saving by interval in minutes (settable could be 1440 minutes but also 30 minutes) Saving as CSV file where the comma (,) is the column seperator. at every startup File name exist of customername_date_time for example “velden_25_11_2014_05_04” reading is done directly from the sd card in a computer 2: Via Lan data gathering every ?? minutes. Into a file on the sd card connect to external server on a settable time interval in minutes. This could be 1440 minutes (1 day) identify the sender by a 14 digit long number. communicate the data that is gathered from the last communicatio...

    $500 (Avg Bid)
    $500 Oferta promedio
    11 ofertas

    Turning on or off appliances with mobile application using arduino sim900 gprs , webservices and mobile application

    $118 (Avg Bid)
    $118 Oferta promedio
    7 ofertas

    i need help in finishing a pcb design for a sim900 gsm chip connected to an atmega328p which should run arduino. all schematic and pcb layout is 90% finished and needs to be reviewed for final pcb production. pcb size is only 5x5cm, 2 layer The tasks will be: finding errors pcb optimization finish pcb design I will provide .sch and .brd eagle files and my layout requirements. Work should be done within max 7 days.

    $195 (Avg Bid)
    $195 Oferta promedio
    32 ofertas

    ...size. 2. Good battery life (power efficient components). 3. Cheap component list (BOM). Required functionality: - Power supply circuit for running device off battery power. - LiPo battery charging circuit for charging connected LiPo battery from charging pins. - On board MCU with at least 32Kb flash and >= 2Kb SRAM (mega32u4?). - Integrated GPRS modem module (SIM800/SIM900?). - Integrated GPS module (ublox-6?/SIM900?). - Small GSM antenna connector on PCB. - Small GPS antenna connector on PCB. - On/off button for battery power. - 3 external pins available for network status LEDs, controllable by MCU. - 2 external pins available for charging status LEDs, controlled automatically by LiPo charging circuit. - PCB mounting holes. Required electrical interf...

    $7599 (Avg Bid)
    $7599 Oferta promedio
    2 ofertas
    Arduino GPRS Shield Finalizado left

    Enviar mensagem utilizando SIM900 para um celular quando uma determinada entrada seja ativada. O modulo:

    $9 / hr (Avg Bid)
    $9 / hr Oferta promedio
    2 ofertas
    ceng 313 c program Finalizado left

    i attached the file pls check

    $25 / hr (Avg Bid)
    $25 / hr Oferta promedio
    1 ofertas

    Need PCB design/schematic for sim900 with ATMEGA328p, voltage regulator (supply voltage to board is 3.7v through Lithium ion), need on board pcb antenna, sim card holder, ICSP pin header for installing the arduino boot loader, UART pinouts for programming the arduino, Arduino pin 2,3 should be connected to RX/TX of the SIM900 Also it should be interfacing with NRF24L01+ module and BLE 4.0. And rest of the arduino digital I/O pins should be around the board as pinout, all SIM900 digital I/O also should be around the board as pinouts,

    $338 (Avg Bid)
    $338 Oferta promedio
    30 ofertas

    Hi all, I need a programmer to help with a data logging solution using rfid (reading a mountain bike riders unique rfid wristband) and allocating highly accurate times for mountain bik... The finish gates may incorporate a larger rfid antenna (later) to increase range to 3metres, but I dont see any change with the programming, other than identifying each module with a unique name, so xively knows where the data has come from. So I believe the hardware needs to incorporate: 1) ardunio 2) rfid reader (currently using the rdm600 but alternative is fine) 3) gprs (currently testing sim900 for australia) 4) perhaps additional time clock for accuracy I already have 200 wristbands so would like to use what I have. They are 125khz Em4100. I can skype to discuss further if required. Rega...

    $320 (Avg Bid)
    $320 Oferta promedio
    4 ofertas

    Hi, We have a GPS-based Vehicle Tracking System using STM32F103C8T6, Quectel L80 and SIM900. I need you to write the software to capture the GPS co-ordinates and send them via GPRS to a pre-determined IP address and port. Functionality: - Capture NMEA string from GPS receiver (latitude, longitude, date, time, hemispheres, gps valid or not, speed, heading) - Capture data from gsm (rssi) - Voltages on analog inputs - Voltage on mains - Voltage on digital inputs (1 means > 0, 0 otherwise) - Whether output is activated or not (1 means activated) - Send data every 10s to server. IP and port to be provided after project is awarded. - Comma-delimited data string - Data string format to be provided after project is awarded - Ability to receive on/off command for output vi...

    $636 (Avg Bid)
    $636 Oferta promedio
    11 ofertas

    I need Forward the call using the asterisk module gsm / gprs SIM900 I need people with knowledge lixux - chan_extra - DAHDI - opvxg4xx

    $250 - $750
    $250 - $750
    0 ofertas
    Pump speed control Finalizado left

    We have a requirement to design a controller for a pump. The supply will be 230V AC and the pump will take up to 6 amps. There will be: 1. 6 digital inputs 2. one relay output 3. one 0 to 10 Voltage analog input for a PID control in the microprocessor. 4. PWM output to control the speed of the pump 5. SIM900 module, we already have the design for this. 6. Microproessor will be a MEGA2560 7. Pump current to be monitored

    $466 (Avg Bid)
    $466 Oferta promedio
    13 ofertas

    Look for someone to edit a PCB that will have the SIM900 GSM module on it. all the peripherals for it to work (power supply, printed antenna etc... if needed of course) the circuit will work from lithium battery (no need to add charging circuitry) it will have audio (speaker, microphone) and single power switch that turn all the thing (connect the battery) also need to write script that will run on the module it self , simple script that after the GSM module join any network it makes a voice call to predefined number - open voice session. ! please bid only if you already did such thing on the specific module! the awarded freelancer will need to provide all the necessary files (schematics, layout, gerber, script project files etc...) p.s. the PCB design should consider as...

    $312 (Avg Bid)
    $312 Oferta promedio
    16 ofertas
    Write some Software Finalizado left

    So i am working on a project with arduino, to make gps tracker for cars, bicycle etc. My problem is how to make arduino detects movement of a car or bicyle and alerts me on my phone via sms. So far i can comuni...detects movement of a car or bicyle and alerts me on my phone via sms. So far i can comunicate with arduino with sms if i send the key word it replies with gps location, so i would like it to auto detects if a car is moving and sends me alert message on a predifine mobile number which trough i am comunicating with arduino if i send key word?. Any help would be appreciate. I am using: Arduino Uno, SIM900 GSM/GPRS Shield Module, Skylab GPS Module. I can send you the code i got so far, and it needs to be modified to auto detects the change in position and alerts me on my phon...

    $314 (Avg Bid)
    $314 Oferta promedio
    7 ofertas

    Look for someone to edit a PCB that will have the SIM900 GSM module on it. all the peripherals for it to work (power supply, printed antenna etc... if needed of course) the circuit will work from lithium battery (no need to add charging circuitry) it will have audio (speaker, microphone) and single power switch that turn all the thing (connect the battery) also need to write script that will run on the module it self , simple script that after the GSM module join any network it makes a voice call to predefined number - open voice session. ! please bid only if you already did such thing on the specific module! the awarded freelancer will need to provide all the necessary files (schematics, layout, gerber, script project files etc...) p.s. the PCB design should consider as...

    $238 (Avg Bid)
    $238 Oferta promedio
    16 ofertas

    Hi, I'm looking for a person to design similar to PCB layout for ATMEGA328P with SIM900 GSM Module Arduino compatible. Are you interested? Contact me isawczuk at gmail . com This is sample budget, after our talk we will define end budget.

    $15 / hr (Avg Bid)
    $15 / hr Oferta promedio
    1 ofertas

    Hi, I'm looking for a person to design similar to PCB layout for ATMEGA328P with SIM900 GSM Module Arduino compatible. Are you interested? Contact me isawczuk at gmail . com This is sample budget, after our talk we will define end budget.

    $100 (Avg Bid)
    $100 Oferta promedio
    1 ofertas
    ATMEGA328P with SIM900 Finalizado left

    Hi, I'm looking for a person to design similar to PCB layout for ATMEGA328P with SIM900 GSM Module Arduino compatible. Are you interested? Contact me isawczuk at gmail . com

    $49 - $49
    $49 - $49
    0 ofertas

    We require an experienced electronics engineer to take an Arduino based electronic design (already working in prototype) and create a PCB layout. The PCB will be a dual layout to include a a Sierra Wireless Q26A 3G Airprime module and SIM900 GPRS module some digital power switching relays, I2C RTC and EEPROM with general I/O brought to an edge connector. Ideally in Fritzing or Eagle and the successful candidate must be willing to share knowledge / perform technology transfer at the end of the project such that we can make any modifications required. The successful candidate must speak fluent English, have verifiable references and be contactable via telephone, email and Skype. In return we offer prompt payment and good potential for future work. Many thanks

    $2195 (Avg Bid)
    $2195 Oferta promedio
    22 ofertas

    I have four board which can plug into Arudino Uno ( with Atmega328p chipset) 1. Board with Ublox Neo6 and SD 2. Board with SIm900 3. Camera Board I want to bypass the bootloader and program the chip using ISP because I want to make my own PCBA in the future. Please let me know if you can help me to test my current prototype. We can work for a long term if this thing moves further. Thanks

    $11 / hr (Avg Bid)
    $11 / hr Oferta promedio
    9 ofertas

    I have four board which can plug into Arudino Uno ( with Atmega328p chipset) 1. Board with Ublox Neo6 and SD 2. Board with SIm900 3. Camera Board I want to bypass the bootloader and program the chip using ISP because I want to make my own PCBA in the future. Please let me know if you can help me to test my current prototype. We can work for a long term if this thing moves further. Thanks

    $7 / hr (Avg Bid)
    $7 / hr Oferta promedio
    6 ofertas

    I have four board which can plug into Arudino Uno ( with Atmega328p chipset) 1. Board with Ublox Neo6 and SD 2. Board with SIm900 3. Camera Board I want to bypass the bootloader and program the chip using ISP because I want to make my own PCBA in the future. Please let me know if you can help me to test my current prototype. We can work for a long term if this thing moves further. Thanks

    $2 / hr (Avg Bid)
    $2 / hr Oferta promedio
    1 ofertas

    CEng certification given by IET has certain norms/skill sekts which needs to be appear in the application. I am looking for capturing competencies set by IET in my resume.

    $20 - $20
    $20 - $20
    0 ofertas

    We want to build All-In-One board that will use the Arduino Due and its shields. All the connections are defined. Just a board to connect pins of Arduino Due to the shields pins. Shields and mainboard will not be redesigned will be used as they are purchased.

    $295 (Avg Bid)
    $295 Oferta promedio
    12 ofertas

    i am an electrical engineer,i am applying for Ceng from IET (uk).i need to submit competence it possible for you to assist me in writing a competence report.

    $176 (Avg Bid)
    $176 Oferta promedio
    4 ofertas

    ...of the methods that you have suggested.  Code the a method info that receives nothing and returns a formatted string representing most important fields in in the class with their values.  Add inline documentation in your code for each method and field.  Add inline documentation at the begging of the class that includes your name, student ID number, course, section and finally CSE-CENG-QU-SPRING2014”  Implement a testing class Test in which you demonstrate the following:  Creating of three objects from the class using three different constructors.  In separate statements Display the string returned by calling the info method for each of the created objects.  Call each method in the class and display the effect before and after your call.

    $252 (Avg Bid)
    $252 Oferta promedio
    11 ofertas

    Develop firmware for data logger application based on ADUC361M. Uses SIM900 GSM modem for communication with server. Must have documented experience with ADUC361M programming and SIM900. Experience with GPRS, AT commands and SMS highly preferred.

    $25 / hr (Avg Bid)
    $25 / hr Oferta promedio
    12 ofertas

    I need an AVR and SIM900 based board designed. The SIM900 will have buzzer, LED for network status, power, etc. I am writing here Arduino Pins: ATMEGA328P with 16MHz crystal. The pins 0 & 1 are Rx and Tx respectively. These pins go to the SIM900 Tx and Rx respectively. The pins 2 & 3 will be opto coupled inputs just like the PIC PLC board you make. The pins 4 will be out to a pin header, with VCC and GND. (The pins 5,6,7,8, 10,11,12,13 goes to the ULN2803, the output of which goes to the 4 relays that are connected with 5,6,7,8. The rest 4 pins of the ULN2803 will just go to the Pin headers. This might change a little as I need only 4 relays so, we I will take the SPI pins out). The pin 9 will also go to a different pin header, like the...

    $264 (Avg Bid)
    $264 Oferta promedio
    12 ofertas
    SIM900 + Arduino 3.3v Finalizado left

    Hi! We have built a prototype system based on iTeadStudio Gboard + a custom daughter PCB. It is basically a RF to GPRS gateway. The prototype is fully functional and is been tested by 20 customers successfully. We want to move it now from prototype to production by designing our own PCB board with includes a small subset of GBOARD plus our additions: - RF module, Status LEDs, LCD, ATSHA24, OTA PROM. As the resulting system will be almost equivalent to our current prototype no firmware development is required. We are looking for someone to help us designing the PCB with EAGLE. The project deliverables will be: - Eagle Schematics - Eagle PCB design - BOM More information about the GBOARD

    $234 (Avg Bid)
    $234 Oferta promedio
    12 ofertas

    Prototypes and PCB Layout of ATMEGA328P with SIM900 GSM Module Eagle or Altium, design files and BOM Quality work is highly valued. A realistic but fast completion date is highly valued. 2 prototypes are needed, powered by 3.7V lipo - you can demonstrate the prototypes to me via Skype I will fully consider all serious bids in full detail so please be assured that your time in preparing a bid will be respected and acknowledged - thanks

    $877 (Avg Bid)
    $877 Oferta promedio
    17 ofertas

    Prototype and PCB Layout of ATMEGA328P with SIM900 GSM audio interface NOT needed sim card holder, IPEX antenna connector no leds or buttons required other than one netlight led approx 12 micro pins broken out (e.g. 6 analog, 6 digital) one output to control mosfet switch (of the simplest kind!) standard 6 pin header for programming broken out (as in Arduino Pro Mini) 2 prototypes, demonstrate to me working via skype to be powered by 3.7V lipo Eagle or Altium You would probably be aware of reference designs for each element that you could source from the web (very happy for you to refer to these in your bid so that it is clear that you know what you are doing - no need to re-invent anything, referring to existing designs is very respected). BOM (ce...

    $360 (Avg Bid)
    $360 Oferta promedio
    3 ofertas

    ...should be written to help me port my code to your PCB. The device components are: -MCU (preferably PIC 8bit with code written in C - should be able to refresh the TFT with a jpeg/bmp in well under 1 second perhaps using 16b interface, there should also be an extra interrupt plus UART line left unused to connect to a second PCB that I am developing myself), -GSM module (low cost chinese SIM900 or similar/cheaper), -RFID read/write module (Mifare 1k read/write), -sFLASH (10 MByte or similar), -keypad (14 simple push button SMT buttons), -TFT screen (low cost 320* 240px 3" or so with resistive touch capabilities), -Power circuit (5V in, 3000mAH Li-Po Battery or similar & battery charger/ voltage regulator IC etc), -small low power speaker (...

    $450 - $1600
    Destacado Sellado
    $450 - $1600
    22 ofertas

    i am an electrical engineer,i am applying for Ceng from IET (uk).i need to submit competence it possible for you to assist me in writing a competence report.

    $200 (Avg Bid)
    $200 Oferta promedio
    1 ofertas

    i need to prepare a competence report for my chartered engineering from IET -UK.i am an electrical engineer.

    $207 (Avg Bid)
    $207 Oferta promedio
    11 ofertas

    i need to prepare a competence report for my chartered engineering from IET -UK.i am an electrical engineer.

    $150 (Avg Bid)
    $150 Oferta promedio
    1 ofertas

    i am an electrical engineer,i am applying for Ceng from IET (uk).i need to submit competence it possible for you to assist me in writing a competence report.

    $150 (Avg Bid)
    $150 Oferta promedio
    1 ofertas
    Bus Automation Finalizado left

    We need to Design a Product with below features Similar to Geogram One - GPS Tracker, but need following addtional features as well Arduino Mega + Sim900 + GPS Module + SD CARD + 6axis Accelerometer + Nordic RF Recevier + Gameduino2 LCD (or any 5+inch lcd with GPU) + control LCD matrix of 16 x 64 Geogram One - Gameduino - LED Matirx -

    $1210 (Avg Bid)
    $1210 Oferta promedio
    15 ofertas

    Hi, I need a gps tracking software in c or c++ written for atmeag128a and any gsm module. The micro-controller should log data to external flash like at45dxx when there is no gsm signal and send the logged data to server when signals are back. Regards

    $203 (Avg Bid)
    $203 Oferta promedio
    6 ofertas

    I need a Simple GSM Data logger that is based on SIM900 (or similar) GSM module the devices should have its own internal memory (SD card) the device inputs/ outputs should be programmed via commands all parameters such as recording interval, recording time, .... should be programmable via commands (USB and or GSM commands) the recorded data on the SD card should be read directly via Excel the device should transmit the data via GSM (programmable) by html POST and/or GET and/or to a server Port the device should have an internal chargeable battery Complete firmware in embedded C (preferred to based on Atmel but not a must), eagle PCB and schematic must be provided the PCB should be designed to fit the standard DIN case we will provide.

    $515 (Avg Bid)
    $515 Oferta promedio
    15 ofertas
    GSM Communicator Finalizado left

    We need a schematic and PCB design based on the popular Atmel Atmega328P and SIM900 GSM reference designs, product should also include a 9-28V DC input voltage regulator, relay inputs and outputs, miscellaneous LED's, connectors and supporting components. PCB needs to be 2 layer, delivered in Eagle and gerber format ready for onward manufacture, with solder resist, paste layers and silkscreen, drill data and mechanical layout.

    $363 (Avg Bid)
    $363 Oferta promedio
    17 ofertas

    We need to get the Schematics and PCB Layout for the following project: The Designer only needs to adapt one already existing project, which is Arduino Mini Ultra 8Mhz and attach a SIM900 GSM Module and attach a 18650 Li-Ion Battery module which powers the whole board. A reference design board of another SIM900 board can also be supplied.

    $183 (Avg Bid)
    $183 Oferta promedio
    11 ofertas

    hi I am a student studying electronics at Leeds university in the united kingdom. my project is to capture data on a magnetic stripe e.g. track 1 and track 2 data. this data will be transmitted to a mobile phone via micro controller which is programmed to a sim900 device. all data captured will visible on a mobile phone. I have seen your profile and wanted to know if you could carry out this job. if so please can you tell me how much it would cost and the time it would take to carry out this project. and if this is something that would interest please message me. kind regards.

    $15 / hr (Avg Bid)
    $15 / hr Oferta promedio
    1 ofertas

    hey I am a student studying electronics at Leeds university in the United kingdom. In my project I am capturing data from a magnetic stripe e.g. track 1 and 2. This data will be sent to a mobile number which is programmed via micro controller and sent through a sim900 device.

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    1 ofertas
    GSM-GPS tracker Finalizado left

    The project is based on the GPS tracker module GPS PA6H firm GTop and GSM module SIM900. The microcontroller from Atmel series Mega (any, at the discretion of the developer). Transfer Protocol chtop coordinates through the POST method in PHP script.

    $1000 (Avg Bid)
    $1000 Oferta promedio
    1 ofertas

    I need someone to write a working sample code for Arduino UNO for the following GSM Shield. "SIM900 4 Frequency GPRS / GSM Shield Development Board Module for Arduino E107" (Please see attachment) Here is what I need:- - I will send a text "hello" and the module will reply back saying "Did you text" - I will call the module, the module will text me back saying "Did you call?" - Everything must be working on my end - Bid mentioning "TX" so that I know you read the requirement or else your bid will be deleted. Feel free to use any library you want or get the code from anywhere you want. The code must be simple and well commented

    $10 - $30
    $10 - $30
    0 ofertas