Dtmf decoder circuitcông việc

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    17,830 dtmf decoder circuit công việc được tìm thấy, giá theo USD
    Electronic circuit design Đã kết thúc left

    Thiết kế mạch nguyên lý và vẽ mạch bằng altium

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    We want to get develop temperature datalogger with RTD 3 wire PT-100 sensor. Temperature datalogger to record, and save temperature at fixed time interval. Dedicated and easy to install and easy to use software to run on remote desktop. * It should have display of temperature, real time, indication of low battery, running status by blinking small led, start/pause and stop data logging button. *...

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    This job is for designing and testing an analog I/O PCB. ---------------------------------------------------------------- PCB requirements ---------------------------------------------------------------- 1. At least four 16-bit analog input channels. The input voltage range will be +/-10V. The speed needs to be >10 MSPS. 2. At least four 16-bit analog output channels. The output voltage rang...

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    Two-Stage Instruction Decoder 5 ngày left
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    design a simple processor based on the simplified 2-step instruction cycle. You will be creating two functions in software, one to simulate the fetch next instruction cycle, fetchNextInstruction(), and one to simulate the execute instruction cycle, executeInstruction(). Neither of these functions will have parameters nor will they return values. They will operation on global data meant to simulat...

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    Hello Guys, I need a developer to develop for me a tools website which should contain a few tools at start it should be SEO friendly which can help it service and improve. Over time if the project success we will add more tools. Tools I need first: 1- PDF to Image 2- Base64 Encoder/Decoder 3- QR Code and Barcode Generator and Simple Reader for start. best regards

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    Create a simple resonant circuit using Cadence AWR; make it parametric and play with the response of the circuit using Tuning Tool and Investigate basic properties of transmission lines

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    I need someone who understands commercial product design and circuitry, especially bluetooth. The circuitry consists of A 3 point switch, ON(1) connects to a bluetooth transmitter that tells lights to change to white/blue, ON(2) connects to the same bluetooth transmitter telling the lights to change to yellow, OFF turns the lights off, this is all battery powed, switch and lights. I attempted to...

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    Hi, my name is Sergiu and I am development engineer at Burnertech UK. We don’t normally make our own PCB but for our latest development we need to create an auxiliary board which will complement the main motherboard. Would you be able to create the PCB for us from zero? We will give you the list of components and wiring diagram (we don’t have software to create PCB layout) and based on...

    $193 (Avg Bid)
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    I need Vuejs expert to add barcode 128 decoder to this plug-in [đăng nhập để xem URL] IF YOU READ THIS. LET ME KNOW: I need this code 128 function from this project [đăng nhập để xem URL]

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    design of digital circuit in cadence

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    The main idea is to prototype a PCB which should be able to monitor any human body parameters . For that I need a circuit design. Design should be implemented for medical purpose (to monitor pressure/ temperature/pulse).

    $137 (Avg Bid)
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    The main idea is to prototype a PCB in flexible substrate. For that I need a circuit design. Design should be implemented for medical purpose (to monitor pressure, temperature , pulse).

    $151 (Avg Bid)
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    I have created a 99mm x 99mm prototype circuit board stack which I need reviewed for errors by a skilled freelancer with an understanding of electronics, able to understand datasheets and the electronics used. The PCB is an LED light engine which has the following electronics: 5 LM3414 1A LED Drivers 30x High Power LED’s 1x LM7812 Linear Voltage Regulator 1x LM2672 Switching Voltage Regulat...

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    Looking for a freelancer to a design li-ion battery-based circuit to turn a 5v pump on and off.

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    I am looking for a content writer who can explain following technical tools (700 words each), the content should be original and it should be SEO optimized. * Adsense Revenue Calculator * MD5 Hash Generator * Word Counter * URL Encode & URL Decode Tool * HTML/XML sitemap generator * [đăng nhập để xem URL] generator * CSV to Mysql converter * SSL Checker * Redirect Checker * CSR Deco...

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    Can some one design a Back to Back converter for bi-directional power flow between two Microgrids.

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    I need a hybrid circuit for controlling induction motor and submersible pump with water level detection. I need a schematic as well as PCB along with. also a working prototype

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    I am looking for a PCB designer to design a custom LED taillight for my vehicle. The vehicle is a Nissan skyline and I have attached an image of a similar desired output. The applicant is free to use any design software & components they prefer. The circuit is required to take a 12V input from the current wiring provided in the vehicle loom (existing connector). The circuit is required to ope...

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    Python SIP Client 2 ngày left
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    Required Functions [đăng nhập để xem URL](server, port, protocol, username, password) → Boolean Task: • Register at SIP Server • Return true on success • Keep connection alive, reconnect on disconnect • Must support SIP Server, UDP, TCP and TLS connections [đăng nhập để xem URL]() → Boolean Task: • Return true if connected to server [đăng nhập để xem URL](to) ...

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    Battery circuit design to allow product to become portable. We have a portable system that is typically plugged in to the wall. It has a peak current draw of 650mA with all components and display. We are using a wall adaptor that provides a 12Vdc output with 1.5A rating. We have sourced a battery that can handle the load. The following are the battery specs: Battery spec: 12V 3350mah configurat...

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    I want someone help me with my project Please if your have the experience of C language Assembly Design communication subsystems and the required electrical circuit support between a collection of I2C- or SPI-interfaced sensor integrated circuits and an ARM Cortex-M0 microcontroller.

    $9 / hr (Avg Bid)
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    Hello, I am after a circuit design and coding for a small project I am working on. It involves using a pressure sensor, button or switch, Hall effect flow sensor, solenoid and led lights. The circuit needs to activate when there is water flow only once after the switch has been triggered. Thanks

    $42 (Avg Bid)
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    Python SIP VoIP Client 1 ngày left
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    Small multi platform script that: - Registers with a SIP server - Initiates a call - Plays MP3 files - Does DTMF - Ends Call Must work on Windows and Linux "out of the box". All components and source files must be included.

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    Make a E-target for shooting. 16 giờ left
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    I am working on this project it is open source project, it provides circuit pcb desing of sensor , code, uses arduino mega everything is available one the link , you just need to design it and assemble it. Overview: [đăng nhập để xem URL] open source link [đăng nhập để xem URL]

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    FGPA VHDL add-sub unit with register file 3 port ram edit given circuit

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    Hello, I want you to design a load sensing system including S type mini size load cell 0r button type cell along with a simple load sensing circuit board with load display. You can design from scratch or identify a source from China (Ali express)

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    Looking for an Electronics Engineer who has prior experience in R&D of Electronics products. We are working to develop a wearable safety band that is integrated with IOT. This is a contractual project but if the project is successful, we may hire the right candidate for a full time role.

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    Need to design a digitally controlled power source with both Voltage and Current control. Input power source - Rechargeable Li+ battery with Regulator IC giving 1.8V and a fixed voltage of choice. Expected Voltage output range - 1V to 5V Expected Current output range - 0.1A to 3A

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    I implemented a guitar stomp box circuit several years ago. It eliminates 50-60Hz hum for single-coil guitar pick-ups. I implemented and simulated this circuit in LTSpice. I then had a design shop convert the Spice circuit to Altium for fabrication and assembly. I recently had a prototype built from the Altium files. It does not work properly. It was not assembled at an assembly house; it wa...

    $279 (Avg Bid)
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    I need Vuejs expert to add barcode 128 decoder to this plug-in [đăng nhập để xem URL]

    $170 (Avg Bid)
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    I want to Automate my form to be more easier to the customer Step 1 (Required Phase 1 Form): User will have 2 options use VIN or choose from the drop down list (Make , Model ,Year) both are requested from API Integration from [đăng nhập để xem URL] API Get and Post From : [đăng nhập để xem URL] Step 1 Form is like this one in the link [đăng nhập để xem URL] Step 2 It will redirect the customer t...

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    Design a electronics board Đã kết thúc left

    I want a pcb circuit design which would take in 220 volt power supply and pass it through a relay. The circuit will work as a remote switch which can be turned off or on through a ethernet or coaxial cable. Circuit should also be able to send back data about current and voltage in the live wire through the same coaxial or ethernet wire.

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    Provide component suggestions to upgrade existing off-the-shelf device to make RF output power of module to be as strong as possible. (200-300% higher?) 100% duty cycle@70 degrees F ambient temperature. We will buy and modify the module shown here based on your engineering recommendations and component specifications: [đăng nhập để xem URL] Suggestions needed to upgrade the main TO-220 transistor,...

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    Partly done schematics of a main board for a medical equipment has to be reviewed, modified and PCB layout to be done. - PCB design files are in AutoCAD Eagle - prior experience in medical electronics is required.

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    Buscamos un presupuesto para lo siguiente: En la empresa tenemos instalado en un servidor el Issabel Asterisk para identificar las llamadas, y tenemos un portal web creado por PHP para que muestre toda la información recopilada. El funcionamiento actual de Asterisk y la web es la siguiente: En el portal web se de de alta un nº de teléfono, desde ese nº de teléfono...

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    We are writing a medical article about remote follow-up of patients with pacemakers and ICD's. We would like a simple schematic drawing that illustrates the communication circuit between: patient with pacemaker/ICD - transmitter- server - hospital computer and medical staff. For reference/ information on how these remote monitoring systems are working it can be helpful to make a quick Googl...

    $97 (Avg Bid)
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    Trophy icon Improve my logo 2 ngày left

    This is a contest to improve my logo. Feel free to change the colors and add to the design. Do it with a black background and a white background (you may have to switch the colors around). The winning design will be the one that is the most elegant and with the best color scheme. I would like to see metallic silver or metallic copper incorporated into the color scheme as well. Also, I would like ...

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    Bảo đảm
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    398 bài tham dự

    I build and light, for display effect, model vehicle or buildings in the SciFi Genre. I want a circuit designed to use a programmable Pic Microcontroller. The basic circuit will flash as few as 4 but as many as 8 LEDs of any color so the PCB design must have a place for 8 LEDs but allow me to only use as few as 4 for any project. I want control of the speed the LEDs flash/chase and the duration ...

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    Matlab simulation Đã kết thúc left

    Hello, I have Matlab Simulink Distribution load flow file .The task is to implement a Voltage controller inside the file . The task of this Voltage controller is to ensure voltage stability with loads and also during short circuit faults using PI controller .

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    i have done the circuit but i need someone to explain the question more indepth and how was the calculation derive from the multisim graph after did some adjustment and plot the pic and label you read from x axis or y axis and so on and put the answer in word document make sure there is no plagiarism

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    Simple double sided pcb design Đã kết thúc left

    Have circuit ready, need to design pcb

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    Fix Xbox one controller Đã kết thúc left

    Help me identify the electronic component causing my Xbox controller not to work. I'm looking for someone willing to remotely help me identify the fault with the circuit board on my Xbox One controller. I have a multimeter to test for faults just not 100% sure how to find the issue.

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    To reproduce an audio signal using full bridge (H bridge) IGBT converter operated on PWM technique in the laboratory environment. You are required to amplify an audio signal through a H bridge converter using pulse width modulation (PWM). The pulse width modulated signal to be developed by appropriately programming a microcontroller. The analogue signal input through the signal generator is co...

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    Electronic circuit design Đã kết thúc left

    We need to develope a electronic circuit for our machine. Machine is having two axes X&Y and a tool which has to follow given special curves. Pls reply us if you have relevant experience.

    $14 (Avg Bid)
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    We are writing a medical article about remote follow-up of patients with pacemakers and ICD's. We would like a simple schematic drawing that illustrates the communication circuit between: patient with pacemaker/ICD - transmitter- server - hospital computer and medical staff. For reference/ information on how these remote monitoring systems are working it can be helpful to make a quick Googl...

    $107 (Avg Bid)
    $107 Giá đặt trung bình
    31 lượt đặt giá

    t5,t8 tube light circuit with explanation (schematic, PCB with explanation), I have seen SDH6983 in our tube light so please suggest the circuit according to this.

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    Need help in digital circuit Đã kết thúc left

    I have some work which is related to simple codes on picaxe. Kindly contact who has relative experience

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    1. Rename App 2. Adding the logo 3. Adding another 3 DTMF buttons (now the Linhome app allows you to add up to 3 buttons, we need up to 6) 4. Add our icons to the buttons 5. Change of the graphic design (colors) 6. Checking whether we do not violate the license rules 7. Test 8. Help in publishing in GooglePlay and in APPGallery 9. Share the sources on our [đăng nhập để xem URL] account

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