Electrónica Jobs

Electronics is the branch of science and technology that makes use of the motion of electrons for accomplishing some tasks like information handling or device control. If your business is about electronics engineering and electronic circuits, then you will not have much time to focus on engineering aspect of your business. You can easily outsource electronics engineering to capable and willing freelancers as a matter of routine. Post a job today to find your electronics talented freelancer!

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    134 trabajados encontrados, precios en USD

    Especialista en terminales Verifone. - carga de software. - configuracion de tpv. - conocimiento de SDK. - se busca hacer pruebas con pasarela de pago. - se busca homologacion de pasarelas de pago.

    $123 (Avg Bid)
    $123 Oferta Promedio
    4 ofertas

    hola!!! necesito un sistema que me permita conectar 50 o 100 telefonos basicos de doble sim card y me permita marcar codigos cortos O USSD y responder automaticamente a ellos ejemplo de código corto para la empresa CLARO: Marca gratis al *222#, opción 2 para transferir saldo y la opción 1 “no te quedes sin saldo” y luego la opción 1 “solicita saldo...

    $100 (Avg Bid)
    $100 Oferta Promedio
    1 ofertas
    Control Theory Expert 6 días left
    VERIFICADO

    I need to design a simulink model for Power adaptor for Hilink board. Only freelancers having strong knowledge about this topic and have expertise in matlab can bid only. thanks

    $20 - $169
    $20 - $169
    0 ofertas

    Esp32 Sim800L EVB (with internet SIM) 2 ch RELAY Switching ON OFF using GPRS or th AP / STATION mode using ESP config (th password and command) by creating webpage so that relays can be operated from anywhere using internet or SMS ESP32 and SIM800L based RELAY SWITCHING On OFF VIA SMS or GPRS or both COMMANDS TO GIVE for sms S11 to switch relay 1 on S10 to switch relay 1 off S21 to switch relay...

    $90 (Avg Bid)
    $90 Oferta Promedio
    8 ofertas

    I am looking for the engineer can modify the pcb included MCU , lots of components ,and several connectors base on the pcb as attachments .

    $42 (Avg Bid)
    $42 Oferta Promedio
    10 ofertas
    LabVIEW Robotics 2015 6 días left
    VERIFICADO

    A data logger reads an analogue voltage (0 to 5V) which represents mains voltage (0 to 300V), and current (0 to 13A). It serially transmits the voltage reading to a PC in the following format; | * | Mains Voltage | , | Current | @ | Design a LabVIEW VI that reads these transmissions once every five seconds (simulate serial comms using a string control), logs the voltage to a file and displays a ...

    $166 (Avg Bid)
    $166 Oferta Promedio
    11 ofertas

    diy security system for my home with ( mp3 player module with siren sound, 100W amp, rc522 rfid module,4X3 keypad, and reed switch for the door ) CODE that i want 1-When i power on the device it goes in idle mode until i swipe my rfid card or i input my pin on the keypad 2- when the alarm is armed a led will flash every second and stay off if the alarm is off 3- if the contacts of the reed switch...

    $67 (Avg Bid)
    $67 Oferta Promedio
    9 ofertas

    Hi there... I am doing a small project that required PCB based on 18650 batterie which power the entire system. The PCB should be compact. The PCB will be powering to 3 different consumers of around 1A. Exigesting standard PCB based on 18650 batteryes can also be used or intregated for simplify the job.

    $164 (Avg Bid)
    $164 Oferta Promedio
    17 ofertas

    Hello, I need software to operate arduino/Raspberry pi based underwater drone. Drone needs to live stream HD (at least 1080) over VDSL twisted pair or Cat 6. Wired and wireless networking, TCP/IP protocols expert knowledge required. FPV live streaming and remote control system design. Drone needs to display orientation, inclination, heading, speed, depth, moisture, temperature etc sensor data as ...

    $1059 (Avg Bid)
    $1059 Oferta Promedio
    12 ofertas
    Need a PSR Simulation Expert 6 días left
    VERIFICADO

    I am looking for expert who can design PSR-aware low dropout regulator. If you don't know PSR, Don't bid,pls. It should use PMOS/NMOS/both focus on PSR improvement. You should provide me schematic,simulation results,charts and graphs, and also Provide result analysis. I will discuss in details on chat.

    $59 (Avg Bid)
    $59 Oferta Promedio
    2 ofertas

    Need an expert with Ladder Logic and industrial ladder diagram . Calculate current and voltage etc..

    $18 (Avg Bid)
    $18 Oferta Promedio
    8 ofertas

    Making simple arduino code for small robot with BLDC motors according to sheme ( send to request )and arduino pin layout and making simple android application for driving this vehicle according to algorithm ( send to request) and uploading it to the google app store.

    $106 (Avg Bid)
    $106 Oferta Promedio
    12 ofertas

    Needing help to design and build a controller for a irrigation boom in a large commercial greenhouse. Needing some simple. Have adjustable speed dc motors and 24vac solenoid valves. Need something simple. Push the start button motor starts to move the boom and the valves open letting the water come out. Boom gets to the end ‘away’ and hits a sensor, switch, etc... and starts to return...

    $2372 (Avg Bid)
    $2372 Oferta Promedio
    11 ofertas

    we are looking for pcb/chip designing for some work

    $316 (Avg Bid)
    $316 Oferta Promedio
    14 ofertas

    electronics, Arduino, python, DSP, signal processing

    $167 (Avg Bid)
    $167 Oferta Promedio
    14 ofertas

    Please find the image for the application circuit. I have a power source which generate 400Vp-p 1Hz square wave. This power source is connected to a load (R_Load). Now i want to measure the current flowing through this R_Load. Current will be in range of 100uA to 1.5A. I need accuracy in microampere.

    $114 (Avg Bid)
    $114 Oferta Promedio
    13 ofertas

    Design solar inverter minimum 500va max 1000 va with PCB Charge controller design with MPPT

    $1641 (Avg Bid)
    $1641 Oferta Promedio
    8 ofertas

    Need Experienced Firmware Developer for One of My Client, specially using Rigado BMD 300 Evaluation Kit, Developer needs to know about sensors Like BLE, Gyroscope & Accelerometer. Also need Protype mobile App to receive GForce Data On Going Maintenance can be offered for future if work is reliable.

    $4285 (Avg Bid)
    $4285 Oferta Promedio
    14 ofertas

    Its about ESP32 webserver on Arduino IDE Sketch WORKING WELL- only cannot find where problem is- that MQTT are works ONLY IF WIFI IS CONNECTED, BUT THE WEB SERVER WORKS OK WITHOUT WIFI- ETHERNET BASED. Need to fix the source code to have MQTT works on ETHERNET

    $36 (Avg Bid)
    $36 Oferta Promedio
    8 ofertas

    Hi,we are from matoshri electrics pvt ltd ,we require design for esp8266(wi-fi)based 7w bulb esp8266(wi-fi)based 9w bulb esp8266(wi-fi)based 12w bulb esp8266(wi-fi)based 20w/24w tube light Please check the required design sizes

    $268 (Avg Bid)
    $268 Oferta Promedio
    4 ofertas

    I need a design of a device that is able to generate random frequency in a setted range (for example 50Hz - 200KHz). This device should be connected to a piezo or a vibromotor. An amplifier needs to increase or decrease the intensity of the vibration. With an User Interface is possible to setup the parameters (frequency + intensity). Please note: I need only schematic and PCB design.

    $169 (Avg Bid)
    $169 Oferta Promedio
    16 ofertas
    Touch Talker 5 días left

    We are designing things that help people with physical challenges and limited movement including L.I.S ( Locked in syndrome) We need a basic sound module. Think of it like a really basic e drum module. It will have 4 trigger/sensors (that we will provide) It needs to play 4 .wave file sounds, one for each trigger sensor. Like a drum module it needs 10 banks so the user can choose a set of 4 dif...

    $2228 (Avg Bid)
    $2228 Oferta Promedio
    16 ofertas
    Smart Edge 5 días left
    VERIFICADO

    Developers for this project must posses rich skills in all three of the following areas, 1. Hardware - PCB engineering for the production of a daughter board that consists of IO, USB Ports, RS485 Ports, and Ethernet Ports. Case design for housing the finished product. 2. Software - Android custom application to channel communications between the daughter board and a smartphone as the motherboard...

    $2784 (Avg Bid)
    $2784 Oferta Promedio
    27 ofertas

    Its about ESP32 webserver on Arduino IDE Sketch WORKING WELL- only cannot find where problem is- that MQTT are works ONLY IF WIFI IS CONNECTED, BUT THE WEB SERVER WORKS OK WITHOUT WIFI- ETHERNET BASED. Need to fix the source code to have MQTT works on ETHERNET

    $23 (Avg Bid)
    $23 Oferta Promedio
    6 ofertas

    Needing help to design and build a controller for a irrigation boom in a large commercial greenhouse. Needing some simple. Have adjustable speed dc motors and 24vac solenoid valves. Need something simple. Push the start button motor starts to move the boom and the valves open letting the water come out. Boom gets to the end ‘away’ and hits a sensor, switch, etc... and starts to return...

    $2263 (Avg Bid)
    $2263 Oferta Promedio
    22 ofertas

    Simulate with arduino a DS2438 with temperature an dhumidity captor 1wire component

    $140 (Avg Bid)
    $140 Oferta Promedio
    25 ofertas
    sun shine charger 5 días left

    its a UV ray powered charger that sticks on the window

    $7 / hr (Avg Bid)
    $7 / hr Oferta Promedio
    9 ofertas
    Designing a new consumer device 5 días left
    VERIFICADO

    Product designer needed to design a new consumer device including a circuit board, LCD display, electrode pads, and injection molder parts. The circuit board is already designed.

    $456 (Avg Bid)
    $456 Oferta Promedio
    32 ofertas
    radio project 5 días left
    VERIFICADO

    looking for canaditante with knowledge to do white paper for sdr project and skills and people required for it each job. Need it done asap

    $329 (Avg Bid)
    $329 Oferta Promedio
    7 ofertas

    Electronic product design for an evaluation board using Altium. Must be able to clean up schematics and take the design through Gerber generation.

    $147 (Avg Bid)
    $147 Oferta Promedio
    16 ofertas
    VESC motor speed customize 5 días left
    VERIFICADO

    hello. I have source code about VESC motor controller. I want to customize code simply. I will discuss via chat about detail. best regards.

    $45 (Avg Bid)
    $45 Oferta Promedio
    4 ofertas
    Schematic design 5 días left
    VERIFICADO

    Components include Servo motor Stepping motor Light sensor 9” touch screen Hard disc (Solid state) 250 GB+ Ram 8GB + On Button Wifi, blue tooth, Ethernet connections,… USB 3.0 .....

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    22 ofertas
    Electrical Engineer 5 días left
    VERIFICADO

    I want to make videos based "basic electronic training course". I already had that book. This book is composed of 40 chapters. Each chapter is short, so each video takes 3 or 4 minutes. That's why I am looking for expert in electrical engineering. You should have enough components to make video. If you are an expert and have good working place, it's simple for you and is a piec...

    $41 (Avg Bid)
    $41 Oferta Promedio
    9 ofertas

    We want to design and build an IRON FLOW BATTERY for testing. There are questions that need to be answered before we can build our prototype. Which membrane should be used and where to source them? What is the correct electrolytic solution of FE3 and FE2. The Applicant will be able to provide all data and details on what materials to use for the construction.

    $5000 - $10000
    Local
    $5000 - $10000
    0 ofertas

    apply the knowledge of renewable energy sources to design a relevant and sustainable electric power system; consider different aspects of renewable energy system development practically such as components, standards, project cost and enviromental impact More details in chat

    $60 (Avg Bid)
    $60 Oferta Promedio
    20 ofertas

    the goal is to make a music box thanks to the library pyaudio or other, in input we have a rotary encoder which serves to accelerate or reduce the speed of reading, it is necessary to use the principle of Pitch-Shifting, program in python, with raspberry pi and a rotary encoder

    $39 (Avg Bid)
    $39 Oferta Promedio
    10 ofertas

    looking for someone who can design build and test demanded hardware and has background in opoelectronics

    $24 / hr (Avg Bid)
    $24 / hr Oferta Promedio
    7 ofertas

    we need to design an security keypad to acces the office with memory of the codes entered,timestamp, low consumtion, (should run on coinceil batteries minimum one week) software to download the data. It should be verry low profile, thikness no more than 3mm. Features: 1- based on ATmega procesor low power consumption beetwen 1,7-3,6 qfn or udfn package 2- flash memory AT25CY 042-MHN-B or equival...

    $491 (Avg Bid)
    $491 Oferta Promedio
    15 ofertas

    Hello, I'm making a robotic prototype and need some help with writing the control software. It's essentially a 3DOF stewart platform, driven by 3 hobby servos. You can use arduino or raspi. I have dedicated pololu servo controllers, so the three PWM outputs should be all we need. Only two movements required, sometimes together: 1. Z axis, up and down 2. Precession (image attached), w...

    $1098 (Avg Bid)
    $1098 Oferta Promedio
    13 ofertas

    I need Schematic diagram and Gerber file for digital weighing scale .It need to be arduino based or with atmel atmega 2560 based. Its A/D convector need to be ADS1232 and display driver IC need PT6964 chip.

    $56 (Avg Bid)
    $56 Oferta Promedio
    17 ofertas

    Can anybody build me Optical attenuators / emulators so I can use them in the test & calibration of Optical OTDR units? need to emulate lengths up to 2.5km

    $12 - $24
    $12 - $24
    0 ofertas

    LCD design for an evaluation board using Altium. Must be able to clean up schematics and take the design through Gerber generation.

    $57 (Avg Bid)
    $57 Oferta Promedio
    16 ofertas
    Power Electronics Circuit - Theory 4 días left
    VERIFICADO

    I need a detailed explanation in understanding the turn-off of the thyristor process in the series quenching circuit. Text book is attached.

    $32 (Avg Bid)
    $32 Oferta Promedio
    22 ofertas

    LCD design for an evaluation board using Altium. Must be able to clean up schematics and take the design through Gerber generation.

    $72 (Avg Bid)
    $72 Oferta Promedio
    6 ofertas

    In search of an experienced electrical engineer to develop a control system to adjust the heating profile of an induction system.

    $1289 (Avg Bid)
    $1289 Oferta Promedio
    17 ofertas

    More details as regards the project will be shared via chat

    $31 (Avg Bid)
    $31 Oferta Promedio
    23 ofertas
    Custom USB Hub 4 días left

    Custom usb hub for my laptop with specid dimensions and requirements

    $128 (Avg Bid)
    $128 Oferta Promedio
    7 ofertas

    I am looking for someone who can design PSR-aware low dropout regulator. It should use PMOS/NMOS/both focus on PSR improvement, Provide schematic,simulation results,charts and graphs, Provide result analysis Let's discuss in details on chat.

    $36 (Avg Bid)
    $36 Oferta Promedio
    4 ofertas

    Need current home crestron system updated and cp3 processor programmed

    $2323 (Avg Bid)
    $2323 Oferta Promedio
    13 ofertas
    Case study (Radar and settalite) 4 días left
    VERIFICADO

    I need an electrical engineer having great experience in writing reports. I want you to write a case study for me on topic of "Radar Jamming (Electronic Countermeasure (ECM) Techniques)" case study must be around 6000-7000 words long. My budget for this work is 30$ so do not overbid.

    $20 (Avg Bid)
    $20 Oferta Promedio
    3 ofertas