Elektronika Jobs

Consider the matching circuit in the figure below used to match an access transmission line with the characteristic impedance: Zc-50 Ohms to a load impedance: Z= 100-j100 Ohms, The circuit is working at a frequency f=3.5 GHz. Imposing a maximum magnitude for the reflection coefficient at the input |S11=0.1, determine the bandwidth for each case. Discuss the results.

I need a custom electronic device built - the entire hardware including the hand piece, the PCB to full function Instructions to build, PCB Design & Layout, Firmware, GitHub files at the bottom of this article; Link to project page from MIT team: Component Cost: $150-$300 Note: This is an open-sourced project, so NDA is not required.

I am looking for a skilled C# developer to create a Windows Form Application that will interface with an IoT hardware controller. The purpose of the application is to manage data input and output from the controller, as well as provide a user-friendly interface for controlling the hardware. Ideal Skills and Experience: - Proficiency in C# and Windows Form Application development - Experience with IoT hardware controllers, specifically Arduinos, Rabberry Pi and or STM32 controllers - Knowledge of data management and automation in software development The project will require the developer to work closely with our team to design the solution for the specific requirements for the hardware and software components that we have finalized already. If you are familiar with IoT hardware (mostly ...

I am looking for an experienced freelancer who can help me optimize the design of my MEMS Thermal Flow sensor using COMSOL simulation. The desired outcome of the simulation is to optimize the sensor's design for maximum efficiency. I have a rough idea of the design but require assistance in finalizing it. The simulation results must be of high accuracy to ensure the sensor's performance is validated. Ideal skills and experience: - Expertise in COMSOL simulation software - Experience in MEMS Thermal Flow sensor design and optimization - Strong understanding of thermal behavior - Ability to deliver high accuracy simulation results - Excellent communication skills to ensure smooth collaboration throughout the project.

I am looking to build a simple prototype for a smart weighing scale, that is compact in size. Features required are - - Device should be small & circular in shape (shape & size of a coaster) - approx 10 cm in diameter and 0.8 cm in thickness) - Should be cheap to make & easy to replicate. Prototype should not cost more than $10 - $15, but when mass manufactured, it should cost no more than $3 - $4 - The device should be battery powered (flexible on battery capacity, based on cost). Battery should be rechargeable. - Maximum weight that the device needs to handle is expected to be ~3kg - Require precision of 1g - Device should have a button, which when pressed sends the weight data - Device sends data to a web API/ via Bluetooth (either is fine)

I am looking for a skilled programmer with experience in C++ to work on my electronic programming project. The project should be written in C++. The ideal freelancer should have experience in similar projects and must be able to demonstrate this in their application. The deadline for the project is more than a month, so it is important that the freelancer is able to work within this timeframe. Please include your experience in your proposal. Thank you.

I am looking for a freelancer to help me build a USV (unmanned surface vehicle) using an Arduino microcontroller. The main purpose of the USV is surveillance, and it should be remote-controlled. I would also like the USV to have GPS capabilities for better tracking and navigation. this is the project for USV, the whole system is using 2 arduino mega as microcontroller (1 at vessel and 1 at remote control unit) and LoRa module to connection between them. on the vessel there are gps module. Refer the block diagram for more understanding For the vessel: 1. Motor 2. Servo (rudder) 3. Light For the RCU 1. Potentiometer (motor control) 2. Potentiometer (rudder control) 3. Switch (Led) 4. Lcd [display lat lon, speed in knot, potentiometer(motor control) percentage, rudder angle (based on pote...

I am seeking a hardware and software consultant who can assist me with technical troubleshooting for a theoretical electronics device that connects to the cloud. The ideal candidate should possess expertise in the following areas: - Technical troubleshooting: I require someone who can identify and resolve any technical issues that may arise with the device. - Knowledge of electronics: The consultant should have a comprehensive understanding of electronics and be able to provide recommendations for hardware improvements. - Cloud computing: As the device connects to the cloud, it is essential that the consultant has experience with cloud computing and can optimize the system for optimal performance. Additionally, the ideal candidate should have experience working with theoretical devices a...

I am in need of help with my fridge! As soon as the fridge plugged in to the circuit board or after a while, the circuit board turned off. I haven't tried any troubleshooting or repairs myself, so I'm looking for both repair service and advice on how to fix the issue myself. I need help from an experienced professional who can take a look and diagnose the problem accurately.

i have an arduino code that connects to ESP32 wifi and if no connection available switch connection mode to AP mode then user enter using internet browser from the device that connects to the device using AP mode to open the wifi configuration html page allowing the user to enter his/her wifi credentials to be saved and used by ESP , once done ESP will restart and switch back to wifi station mode and uses the saved credentials to connect , once connection established it should sends email using GMAIL with some details .. the issues i need help with : 1- once the device reaches the part where it should sends email it crashes 2- I need the wifi configuration page to be opened once user connects to the device AP automatically 3- the ESP code has another part where it communicates with ano...

I am in need of a skilled C++ programmer with experience working with the HC42 microchip. I am planning to purchase the microchip and require assistance with programming it to perform data processing tasks. While I do not have any existing code or documentation, I can provide relevant resources to aid in the development process. Ideal candidates for this project will have experience with: - C++ programming language - HC42 microchip - Data processing - Resource utilization and optimization Please provide examples of previous projects that demonstrate your experience with these skills.

I am in need of a skilled C++ programmer with experience working with the HC42 microchip. I am planning to purchase the microchip and require assistance with programming it to perform data processing tasks. While I do not have any existing code or documentation, I can provide relevant resources to aid in the development process. Ideal candidates for this project will have experience with: - C++ programming language - HC42 microchip - Data processing - Resource utilization and optimization Please provide examples of previous projects that demonstrate your experience with these skills.

NEED TO IDENTIFY PROPER CONNECTIONS FOR SPDT SWITCH IN A VEHICLE. MUST HAVE ELECTRONICS WORK EXPERIENCE WITH SPDT DEVICES

I am looking for a skilled developer to create a smart watch with the following features: - Voice assistant integration - Fitness tracking capabilities - Classic design The primary purpose of the smart watch will be focused on health and fitness, so it's important that it has accurate tracking capabilities. The design should be classic and timeless, with a focus on simplicity and elegance. Ideal skills and experience for this project include: - Experience with smart watch development - Proficiency in voice assistant integration - Knowledge of fitness tracking technology - Design skills to create a classic and elegant look for the watch.

We have 3 types of gas, each sign is 8.888 format with seven segment digits. we need an app which control an Arduino Mega and then 74HC4543 7seg drivers, and power interface. The app must allows to upload every gas price (4 digits) and send to Mega by WiFi. Hardware design is done and will be provided to awared freelancer

I am looking for a freelancer to develop a lead acid battery analyzer on ESP32 with the following specific requirements: - Battery Test (SOC, SOH of Lead Acid battery), Starter Test and Charging Test for various type of lead acid batteries - Real-time monitoring of Battery voltage - Wi-fi connectivity to transmit data to a mobile app - Low power consumption The ideal freelancer should have experience in ESP32 programming, battery analyzis of Lead Acid batteries.

1. An autonomous powered outdoors cam with motion sensor 2. An autonomous powered System with light sensor and mms or video recording when the light sensor is triggered

Verify my file if its ok: ESP8266

I am in need of a skilled developer to assist me in creating a printer driver. The driver must be compatible with the Linux operating system and designed specifically for thermal printers. The primary function of the driver will be to provide advanced printing features. Ideal Skills and Experience: - Experience in developing printer drivers - Proficient in Linux operating system - Knowledgeable in thermal printer technology - Familiarity with advanced printing features

I am in need of a PCB design for a project that requires a large board, measuring more than 10cm x 10cm. The ideal material for this project is standard FR4 with layer density of 4-6, and the board will be populated with SMD components. I am looking for a skilled PCB designer who is experienced in working with SMD components and can provide a high-quality design that meets my specifications. The designer should have expertise in various design software and be able to provide a detailed schematic and layout that can be manufactured with ease. Attention to detail and the ability to communicate effectively are also important qualities for this project. PCB will carry an MCU based design with mixed signal interfaces and several communication protocols.

We are asking for firmware development on Decawave (Qorvo) 1001C module for distance measurement. There will be two components: Receiver (Stationary) and Tag (Mobile) -Receiver will be act as a stationary, mains powered logic controller to set output as 1 or 0 depending on the distance measured of tag or tags around. -Tags will be moving and battery powered devices -Tags will be acting depending on the movement, so it will include integrated accelerometer -Tags will work on 400mAh rechargeable battery target at least 1-week battery life -Receivers will be configurable to set distance threshold (via BLE) We need a work for the algorithm, working principal and firmware codes for communication between tags and receivers. Tags should be low power since they will have a rechargeable batteries ...

Campera Electronic Systems is planning to introduce a Verification methodology in the company verification flow for VHDL designs. Previous experience on one of the "standard" VHDL verification methodologies (UVVM, OSVVM) or framework (Vunit) is requied.

Project Overview: I am seeking a skilled freelancer to design a user-friendly knife sharpener specifically for circular doner kebab knives. The objective of this project is to create a reliable and easy-to-use device that can sharpen circular doner kebab knives with diameters ranging from 70mm to 200mm. Project Details: The Circular Doner Kebab Knife Sharpener project requires the design and development of a versatile device capable of effectively sharpening circular doner kebab knives commonly used in the food industry. The device should meet the following requirements: Knife Size Compatibility: The knife sharpener should be able to sharpen circular doner kebab knives with a diameter ranging from 70mm to 200mm. It should accommodate various sizes of knives commonly used in the industry....

I am looking for a Wear OS developer who can create an efficient NMEA reader for a smartwatch. The reader must be able to read both GPS location and speed /heading from the NMEA stream and also use its own GPS if the NMEA link is not available. The design should be minimalistic in order to fit within the compact design of the device. I need someone who can deliver this project within the specified timeline and meet the required specifications. Thank you for your time and I look forward to your bids.

More details: What is the desired function of the PCB? AR prototype What is the desired size and shape of the PCB? Square What level of complexity is required for the PCB design? Moderate with some advanced components

HI I have a nodes using MESH protocol. device is nRF52840 using SDK 17.0.1/ Mesh 5.0.0 I have a firmware it has a model. the Nodes send temperature, rpm, and other variables. in the same firmware if we setting the device as "subscription" the device will receive the data from the other nodes, and print the data recived in the screen using RTT protocol. what i NEED? 1.- the device setted as subscription, i need to implement serial comunication (now is printed using RTT) 2.- I need the subscription device, sends some data to especific node un the mesh For example if receive 00AF-50 the node will send code 50 to node 00AF thanks. Ricardo

Need a 9V circuit that turns on a heater when 13C or below. Heater is off when above 13C

SEE ATTACHED FILES FOR PDF. ========================= FIXED BUDGET: €30 (HTML)Wi-Fi automation with a relay Hardware: (DFrobot) Firebeetle 2 ESP32 (with DFRobot 1ch Relay) Requirements: 1. When the monoboard is connected to a certain Wi-Fi SSID’s (which can be modified in HTML, or CODE) the relay will be turned off. a. This will be checked every 5 seconds ALL THE TIME (can be adjusted) 2. Any automation can be cancelled within the HTML page (so when connected to a certain Wi-Fi, nothing will happen (can be adjusted) a. This can be disabled or enabled till a time selection (e.g. turn off until 21 may 2023 16:00 hour) b. Time is based on CET (central european time) (NTP server: ) 3. Wi-Fi ssid’s can be added ,deleted or modified via the html page. 4. When the power goes out...

The aim of this project is to create a unique and comfortable pair of 3D earbuds with the latest Bluetooth v5.3 technology. As a student, I am interested in testing the market fit for these custom-designed earbuds, targeting everyday users who value both style and functionality. I am seeking talented freelancers who can transform a 2D design into a 3D product that meets the specified criteria.

I would like a very simple program that can run a motor to specific positions, I would also like a manual drive option. The option to record the current position and name its position for later recall is also a must

I need signal amplifier circuit: - The maximum input and output voltage 6v -The maximum current 1 ampere. -Power to supply the component 0-24 volts.

I am a student and I am trying to control a Tank in Unity game engine using a model tank as an input device. The idea is that when I rotate the turret, for example, it moves a rotary encoder which sends data to Unity and translates it into game object movement. Not only this, but the gun raises and the 2 wheels on the chassis will record movement. All in all, I have fitted the tank with 4 rotary encoders. I have two Arduino Nano 33 BLEs which I am trying to use in order to establish a Bluetooth connection between the model tank and the computer. I am struggling with this. I am also currently using a plugin called Uduino to connect Arduino to Unity, although I am struggling to control Unity objects using rotary encoder data. I have managed to get readings from rotary encoders from my Nano b...

I am in need of an experienced PLC programmer to work on an Industrial Automation project. The ideal candidate should have in-depth knowledge of Allen-Bradley PLCs and be able to handle advanced programming tasks. Key requirements for the project include: - Designing and implementing custom software for the Allen-Bradley PLCs - Developing efficient control systems for various industrial processes - Troubleshooting and debugging software issues as they arise - Providing ongoing support and maintenance for the PLC systems The ideal candidate should possess the following skills: - Expert knowledge of Allen-Bradley PLC programming - Experience with advanced programming techniques - Strong problem-solving skills and attention to detail - Strong communication skills and ability to work colla...

1. An autonomous powered outdoors cam with motion sensor 2. An autonomous powered System with light sensor and mms or video recording when the light sensor is triggered

I'm currently working on a project to develop a smart vending machine using a Raspberry Pi as the central controller, and I'm looking for expert assistance to achieve this goal. The primary task of this project is to control the vending machine's dispensers directly from the Raspberry Pi. I've already developed a web application for user interaction and now I'm focusing on interfacing the Raspberry Pi with the vending machine's hardware components, specifically the dispensers. The scope of the work will include: Hardware Setup: Providing guidance on the hardware setup, which will include advice on how to safely connect the Raspberry Pi to the dispenser motors using the GPIO pins. Recommendations on any additional sensors needed for error detection and inven...

I am looking for a freelancer to create software to control five audio Receivers using serial communication. The expected software must be able to send and receive commands via serial communication in the Python programming language. This will enable me to control the audio Receiver from any device, and ensure a reliable and consistent wireless connection between the audio Receiver and the controlling device. If the freelancer is also skilled in hardware control, they could assist with setup of the found serial connection so that the audio Receiver can bind with the controlling device. We would be using a Win. 10 OS based computer with USB to Serial adapters for each port. Control and feedback would be used for six amplifiers/receivers. Display feedback from the RS232 port as to the dev...

I am in need of a skilled freelancer to assist with modifications to my plc S300. The project requires both programming and hardware changes, and I am open to suggestions for the best approach to achieve my desired outcome. i have a missing ethernet switch that properly connect plc with anther, and need to overcome it, I dont know exactly the problem, i need to run the system Ideal Skills and Experience: - Proficient in programming languages such as Ladder Logic, Structured Text and Function Block Diagram - Experience with hardware upgrades for plc systems - Familiarity with Siemens S300 is preferred ( our type :CPU 317-2DP)&SIMATIC DP, Connection IM 153-1, for ET 200M & others will be provided to awarded person The timeline for completion is flexible, but timely completion is pr...

I am seeking a VHDL expert to help me implement a control system using VHDL. The purpose of this project is to implement a control system, and the specific type of control system has not been specified. The ideal candidate will have experience with VHDL and control systems, and be able to work efficiently and accurately. Please provide examples of previous VHDL projects you have worked on.

My project is to use embedded C programming on the LPC1768 microcontroller to develop a new product. I have specific hardware requirements that must be met. I am hoping to keep this project within a relatively short timeline of two weeks. If, for any reason, this timeline is not doable, I would be open to extending the timeline by a few more weeks. The cost of the services should factor in an appropriate timeline and the hardware requirements. Thank you for your attention and consideration.

Looking for someone who is expert in leed certification and having good knowledge of leed standards in order to design green buildings.

I am looking for a skilled freelancer who can help me with my Arduino camera project. Project Requirements: - Use of a webcam as the camera type - connect with google lence

I need firmware development for ESP32-C3 for following tasks: -Ultra low power consumption design -Run on 2xAA batteries for more than a year -On-board Digital Temperature Sensor value reading and logging (logging period) -Sending to an MQTT broker (upload period) -Wait for commands from server after data upload -Wi-Fi parameter (SSID, passwd) set over BLE for lower power consumption -Data encryption -no webpage hosting or accesspoint mode needed Those are the main functions of the device. We need an experience for low power programming, we are able to design the circuit.

I am in need of a custom RF meter (100Mhz - 90 Ghz. , 20.000 sampling rate per second). Therefor looking for an electrical engineer. I am needing to build an RF meter that can outperform an ENV RD-10. RD-10 specs: RF Frequency range 100MHz to 8GHz RF measuring range -60dBm to +5dBm RF Typical accuracy ±6 dB I am in need of a meter that can go beyond 8Ghz. Preferably 100Mhz - 90 Ghz. The issue at hand. ''Professional equipment'', like Narda for example, for political reasons; work with a low sampling rate (mostly 5/second sampling rate). I am in need of a high sampling rate (20.000/second sampling rate). Price is open for discussion.

I am looking for a talented programmer to develop a sound feature for an ATmega32 microcontroller. The desired frequency range for the buzzer should be two frequencies, 2kHz and 4kHz, with 2kHz being twice as louder, each should sound 3 seconds. the program should be written in assembly.

220volt power strip with wattage meters and power surge protection. I can build a cheap prototype, but I need someone that can do the electronics and build a nicely finished custom housing (plastic, abs). Please see example picture. Several outlets with on/off switch and wattage meter.

I am in need of a skilled freelancer who can help me with my ARDUINO IDE code problem for my SIM7600 GSM module. Currently, I am experiencing functionality issues with my code, and I have a list of specific requirements that I would like to be implemented. For this project, I need someone who is experienced with software integration for the SIM7600 GSM module. Some additional skills that would be preferred include: - Proficiency in ARDUINO IDE - Familiarity with GSM modules and communication protocols - Ability to troubleshoot and debug code efficiently If you are interested in this project, please provide examples of similar work you have done in the past. I am looking for someone who can work quickly and efficiently to help me resolve this issue. I always get the GPRS fail error, and...

I'm looking for an experienced Matlab Simulink programmer to help me with a project. This project is for personal use and the desired outcome is to simulate the behavior of a fuel cell. As I need this project completed as soon as possible, I am seeking someone who can start working on this project immediately. A deep understanding of Matlab Simulink systems related to fuel cells is essential for this project, so prior experience in this field is highly desirable. If you have experience of working with Matlab Simulink and have expertise in fuel cell-related projects, I'd love to hear from you. I have attached the reference paper for your understanding, in which the first one is the base paper I am referring to for my project but in that MATLAB Simulink is not disclosed so I am se...

I am looking for a programmer who can develop a new program for my Mitsubishi PLC and HMI system using GX Works 2 and mView software. The project requires complete new program development and I am looking for someone who has experience with this type of work. The ideal candidate will have experience with Mitsubishi PLCs and HMIs, as well as strong programming skills. The desired timeline for project completion is 3-4 weeks. If you have the necessary skills and experience, please apply and provide examples of past projects. I have 5 seperatur programs and HMI screens to develope. The tasks will include data aquisition using BMS modules 0-10v, pulse width modulation, pulse counting, 10K thirmistors and digital on-off. Thank you. Skills and experience required: - Experience with Mitsubishi...

Hello, I hope this message finds you well. I am reaching out to inquire about your expertise in electronics design, particularly in the area of PCB processing. I am currently working on developing a wireless guitar amplifier replacement product that consists of a transmitter and a complimentary receiver. I am seeking an experienced professional who can assist me in designing the technical aspects of the PCB for both components. The primary goal of this project is to create a wireless system that can seamlessly capture the guitar signal, process it based on amplifier settings controlled through a mobile app, and transmit the processed signal wirelessly with minimal latency. The transmitter will be equipped with an integrated auxiliary output, allowing the user to transfer the sound direct...

I am seeking a VHDL expert to help me implement a control system using VHDL. The purpose of this project is to implement a control system, and the specific type of control system has not been specified. The ideal candidate will have experience with VHDL and control systems, and be able to work efficiently and accurately. Please provide examples of previous VHDL projects you have worked on.