Conductivity measurement circuit jobs

Circuit Designer Electronics Project

Using PIC18F4580, I want to write a program that do the following : - When the switch is on there is an output LED 1 Light that represents the device is started ( run) ,like any simple device. - Mainly the device check continuously if another switch (special switch) is triggered ,DC buzzer and LED 2 light is running as alarm - Lastly, there is PUSH BOTTON 2 that switched on to senses any ...device outputs the same DC buzzer and LED 2 Light as alarm, and will be switched OFF if the user pressed PUSH BOTTON 2, so the user make sure the device doesn’t detect him as false detection Note that: 1- This device is Electronic Fishing Bite & Security Alarm, just to clarify this project requirements 2- I want to use C language using Mplab , and I need use Proteus to simulate the devic...

Using PIC18F4580, I want to write a program that do the following : - When the switch is on there is an output LED 1 Light that represents the device is started ( run) ,like any simple device. - Mainly the device check continuously if another switch (special switch) is triggered ,DC buzzer and LED 2 light is running as alarm - Lastly, there is PUSH BOTTON 2 that switched on to senses any ...device outputs the same DC buzzer and LED 2 Light as alarm, and will be switched OFF if the user pressed PUSH BOTTON 2, so the user make sure the device doesn’t detect him as false detection Note that: 1- This device is Electronic Fishing Bite & Security Alarm, just to clarify this project requirements 2- I want to use C language using Mplab , and I need use Proteus to simulate the devic...

I am looking for help to measure my organization's carbon emissions from the transportation sector with a one-time measurement. My objective is to reduce our carbon footprint in order to become a more sustainable organization. We need a professional who is knowledgeable about the carbon emission measurement process in order to ensure accurate data and reliable metrics. This measurement will involve determining the total amount of carbon emissions released during transportation activities, as well as analyzing the sources and nature of the emissions. The selected freelancer must have experience gathering the necessary data and using it to create a comprehensive analysis of our current carbon emissions and related trends. The results will be used to identify and...

I am doing all measurement before and after complition porject

I am looking for a freelancer to design an electronic circuit, and possibly build it. It will consist of 5 LEDs on a PCB that cycle thru a binary sequence from 1 LEDs on to all 5 LEDs on in 31 steps. Ideal skills and experience for the job include: - Experience in designing and building electronic circuits - Ability to create a compact and efficient design - Attention to detail and ability to meet deadlines.

Temperature and humidity control with LCD display I am looking for a freelancer who c...touchscreen display. The ideal candidate will have experience in electronics and be able to work with the following requirements: Temperature range: - Desired temperature range is 0-50°C Humidity control: - Relative humidity control is needed SHT 20 sensor LCD display: - A touchscreen display is preferred Nextion display Microcontroller ESP32 Skills and experience: - Experience in electronics and circuit design - Ability to program microcontrollers - Knowledge of temperature and humidity sensors - Experience in designing and integrating touchscreen displays If you have the skills and experience required, please submit a proposal with your portfolio and estimated timeline for completing...

Construct a digital alarm clock using basic logic components in Multisim. The clock will consist of a timer circuit, a divide by 6 counter, a decade counter, and a display module. The alarm will be set by switches in BCD notation and the alarm itself will be instrumented by attaching a light which will illuminate when the alarm time and the clock time match. I would like for the time to be in 24h format. I would need the multisim file. The circuit will use the following components: Timer (555) 7 segment display

...center frequency for my audio processing application. I am just a hobbyist so i need help from an expert :) The ideal candidate should have experience in audio signal processing and filter design. The project requirements are as follows: - Center frequency: 30 Hz - Bandwidth range: Around 10Hz - Application: Audio processing The deliverables should include a circuit diagram and a bill of materials for the filter design. The circuit should be able to adjust the center frequency. The filter should use max two opamps. The center frequency adjustment should be made with a potentiometer. using the potentiometer. How far can i go with the center frequency? 1000Hz? 20.000Hz? I have used a filter design tool which gave me the following schematics. Your job would be to tell me...

Web-based application that has two use cases: 1. Measures the forward growth of a face (using the angle of the Gnathion) 2. Measures the improvement in forward growth of a face (ver...following spec document for more information: I need a web-based tool that can analyze facial features. The tool should offer basic (preset) measurements and be easy to use. Some ideal skills and experience for this job include: - Proficiency in web development and design - Knowledge of facial feature analysis and measurement techniques - Experience in creating user-friendly interfaces - Familiarity with data visualization and analysis Please let me know if you have any questions or suggestions regarding the project. Thank you!

I need to use 2mhz Ultrasonic sensors to measure liquid (water, diesel, petrol, lpg) level from the bottom of the tank. The piezo sensors will be connected to ESP32 .Operated with 5v battery I need: 1. Complete Circuit and BOM 2. AESP32 Code

...desktop-based, that can efficiently scrape product and company information from Alibaba. The primary goal of this tool is to collect relevant data based on user search queries. =========================================== The application should incorporate the following features: Product Name Product Description Product Images Product Specifications Price Minimum Order Quantity (MOQ) Unit of Measurement (e.g., Pieces, Sets, Meters) Product Categories Product Variants/Options Packaging Details Shipping Information Company Information: Company Name Company Logo Company Description Contact Information (e.g., Address, Phone Number, Email) Business Type (e.g., Manufacturer, Trading Company) Business Scope/Products Registered Capital Year of Establishment Main Markets/Countries Certifi...

small circuit with single led to lit when battery charge is lower than 7v reference:

I am looking for someone to tell me how many 24" X 24" patio blocks would fit in a 16 ft. by 16 ft. octagon shape. This would include on how many corner pieces I would need also.

I am in need of a Bluetooth scale c...will allow for real-time monitoring of weight measurements. The current scale model being used is unknown. The preferred platform for the communication solution is a cross-platform app. Ideal skills and experience for the job include: - Experience with Bluetooth communication protocols and technologies - Expertise in developing cross-platform mobile applications - Familiarity with weight measurement systems and sensors - Ability to integrate real-time monitoring features into the app - Understanding of data security and privacy measures for sensitive information. The end result should be a user-friendly and reliable app that allows for seamless communication between the scale and the user's device for real-time monitoring of weigh...

...begin(DW1000_RST_PIN, DW1000_IRQ_PIN, DW1000_SCK_PIN, DW1000_MISO_PIN, DW1000_MOSI_PIN, DW1000_SS_PIN); // Setup the DW1000 ranging module (DW1000.MODE_SHORTDATA_FAST_ACCURACY); // Setup PWM pin ledcSetup(0, PWM_FREQ, PWM_RESOLUTION); ledcAttachPin(PWM_PIN, 0); ("Proximity sensor started"); } void loop() { // Get the distance measurement from the DW1000 module (); delay(10); if (()) { double distance = (); ("Distance: "); (distance); (" cm"); // Send proximity data to a server if (distance < PROXIMITY_THRESHOLD) { if (("", 80)) { String

We are seeking a highly skilled PCB designer with expertise in Altium Designer, Circuit Design, and Electronic Design. You will be responsible for designing and developing printed circuit boards (PCBs) for our electronic products. The ideal candidate will have a minimum of 3 years of experience in PCB design and be able to create high-quality, reliable, and manufacturable designs. Project Description: We are building a product capable of using readings from sensors to drive a peristaltic pump, store sensor data, and have added functionality of connecting via 5GLTE for OTA updates. The scope for this project is as follows: 1.) Consult on the correct components for the project such as motor driver type, ADC, processor, connectivity components. (add-in board) 2.) Develop high...

I need to use TDC1000 and one 2mhz Ultrasonic sensors to measure liquid (water, diesel, petrol, lpg) level from the bottom of the tank. The piezo sensors will be connected to TDC1000 chip and arduino mcu. Operated with 3.3v and low current below 30mA I need: 1. Complete Circuit and BOM 2. Arduion Code 3. component description and specifications

I am looking for a freelancer who can design a working model for a single phase preventer with overload protector. Measure current, voltage and display on 7 segment display. Option to set the time limits. The project requires the creation of a circuit diagram for the model. The final deliverable should be in a PDF document format. Ideal skills and experience for the job include: -Experience in circuit design and electrical engineering -Knowledge of single phase preventers and induction motor protection -Proficiency in creating circuit diagrams -Ability to work independently and meet deadlines.

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I need to drive 3 speed motor, plasmacluster, valve, read inlet water temperature and ambient temperature. It can work stand alone or with external modbus control. External Modbus work on RS485 RTU protocol. Wiring diagram and PCB diagram provided are indicative. It must be completed correctly in a functional way by the freelancer. Any new ideas are welcome Terminal Blocks type are fixed. Wiring diagram and PCB is to be done with Eagle and must be released. Development is with Arduino. Source code must be released. A block diagram of both hardware and software must be presented in advance by the freelancer. At the end of the schematic and PCB technical spec for the software will be provided. Other technical specifications is "on the road"..

Please apply only if you have experience in this type of work. This is a remote project for technicians who has had exposure to CMOS or CCD/PRISM/LED/ sensor systems, and have the capability to build the sensor assembly. We are a startup company look...Triangular prism (see picture) - LED wavelength of about 600nm OTHER SPECS - 0 - 20 degree brix minimum - Precision ±0.1%; - Resolution 0.05% - Output Method: Digital - Sensor assembly must be calibrated and fully tested for correct reading. Important: We only need the sensor assembly and a microcontroller. So the deliverables are: - Sensor assembly, - source files, - Gerber files, - firmware, - Circuit and - CAD files Our budget is $1,000 payable only when the project is successfully completed Payment will be issued afte...

We are looking for a talented electronics engineer with experience in circuit design, firmware, and embedded systems to help us develop a USB to PWM I/O device. This Device will take input through a single USB Port and gives 32 X PWM outputs. This device will have 32 GND PIN and Maximum possible 3.3Volt Pins and Maximum Possible 5.5 Volt Pins. Remember using this I will control ESC of a BLDC motor. That means - this device will be connected with my PC using USB and the ESC will be connected with the PWM Pin of the device. Now using Python and C/C++ I will increase or decrease the Speed of the BLDC motor. The ideal candidate must have experience in hardware design and PCB layout, as well as proficiency in programming languages such as C++ and Python. Additionally, the candidate ...

I am looking for an expert with experience using PhotoModeler software. The main tasks will focus on measurement analysis, specifically for a marine decking fabrication project. Accuracy is of the utmost importance. Experience in 3D modeling, orthophoto generation, is preferred. This project requires someone who can confidently handle the given task with minimal supervision and willing to complete the task in a timely manner. If you have the skill set to meet our needs, please contact us. Thank you.

...module, handle wireless connectivity, process image data, display information on the LED screen, and manage overall device functionality. - Electronics: A solid understanding of electronics is essential to select and integrate the necessary components. This includes knowledge of micro-controllers, sensors, camera modules, display technologies, wireless modules, power management, and circuit design. - Hardware Integration: Expertise in hardware integration is required to physically connect and assemble the components within the pen's design. This involves soldering, wiring, and PCB design skills to ensure proper connections, electrical stability, and mechanical durability. - Note : when you completely develop this device with ' 0 ' zero erro...

I am looking for a skilled professional to design a fast division circuit with a required speed of less than 1 nanosecond. The technology that should be used for the circuit design is Verilog. As for specific requirements or limitations, I am open to suggestions and willing to work with a creative and experienced freelancer who can suggest the best solutions for this project. Ideal skills and experience for the job include proficiency in circuit design, experience in using Verilog, and the ability to work efficiently to meet a tight deadline.

We're looking for help in developing a categorisation algorithm. When we make a measurement using our sensor, we get have 128 element array of numerical data. If you plotted the 128 elements as a Line graph in Excel you'd get a smooth curve. There are bumps in the curve which are characteristic on whether the sample was from Category 1, Category 2 etc. We can provide hundreds of examples of the curve that you get when it's a Category 1, Category 2 etc. We'd like (ideally C code or something we can compile into a .dll or similar) which can learn from the dataset, then make predictions for future measurements. Please give us some kind of idea about your experience on similar problems, and which programming languages you could implement a solution in for us....

I am looking for a Pic32 programmer who can help me with the development of an RF link for data transmission. The ideal candidate should be proficient in Python programming language an...transmission of data over a distance of 100-500 meters. The RF link should be able to handle high volumes of data and operate with minimal interference. Key requirements for this project include: - Proficiency in Python programming language - Experience in working with RF modules - Ability to design and develop a reliable RF link for data transmission - Knowledge of signal processing and RF circuit design - Familiarity with data encryption and security protocols If you have the necessary skills and experience, please submit your proposal with details of your past projects and relevant quali...

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 am looking for an expert with experience in replacing Feign with HystrixFeign for complex integrations. The ideal candidate should have in-depth knowledge of HystrixFeign and be able to implement fallback methods. Load balancing and circuit breaker features are not required for this project.

I am in need of a SEM/PPC Specialist for my marketing agency who can help me with Google & facebook ads campaign. Job description 1. Create and execute paid campaign strategy on Facebook and Google 2. Managing campaign creation and execution, implementation, and measurement for end prospects and channel partners resulting in user acquisition 3. Own and distribute the given budgets across channels and the funnel to achieve the business objectives 4. Create content and manage the content creation process. 5. End-to-end management of existing paid campaigns, tracking monitoring of relevant KPIs, and metrics, analysis of results, and calibration of campaigns to maximize ROI 6. Provide insights, recommendations, and action plans based on the analysis of the performance report. Imp...

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.

Job Description -------------------------- I have a batch of Chinese made volt meters with 7 segment led displays these are pre-programmed for input z...Chinese made volt meters with 7 segment led displays these are pre-programmed for input zero to 33 volt and output will display the voltage with 3 decimal places. If possible I want to reprogram the MC for input zero to 4 volts and output zero to 2000 V on the display (ratio 1:500) Laser engraving on micro is S033 PHVG 639Y , but I can not find any specifications for the code (see images) Circuit board has connections for GND, VCC, Send, Receive I am happy to post a sample of the voltmeter to the successfull freelancer. On completion of the job I need a working code and instruction how to upload the code to the voltmeters. G...

Dicom Viewer Needed for Windows Operating System I am looking for a skilled freelancer to develop a Dicom viewer compatible with Windows operating system. The viewer should have basic viewing and manipulation capabilities, as well as advanced 3D visualization and annotation and measurement tools. Preferred Programming Language: HTML, Java, or PHP Ideal Skills and Experience: - Strong knowledge of Dicom standards and protocols - Proficiency in HTML, Java, or PHP programming languages - Experience with developing medical imaging software - Familiarity with DICOM image formats - Ability to create a user-friendly interface If you have the necessary skills and experience, please submit your proposal with your estimated timeline and cost. Thank you!

...data stream of hexadecimal values representing reference values. These should be shown as vertical dashed lines on the diagram. For example, the hexadecimal string "142C" corresponds to the decimal values 20 and 44, requiring dashed lines at x-values 20 and 44. The resulting image should always be 600 * 600 pixels, with labeled x-axis units. The diagram's scaling should adjust based on the measurement range. The area below the line should be filled with the provided hex-coded fill color (e.g., ff0000). Attached is an example of the desired histogram appearance. For scattergrams, the function should take four parameters: "x_coordinates," "y_coordinates," "pulse_count," and "population_type." Each parameter contains a data s...

I am in need of a freelancer who can assist me in creating an Auto Cad drawing for a renovation project I am undertaking. The drawing will require both 2D and 3D elements, as I need a comprehensive view of the space. The ideal candidate will have experience in creating detailed drawings for renovation projects, as well as proficiency using Auto Cad. Specifically, I need measurements and drawings for 4-7 rooms, including the following: - Living room - Kitchen - Bedrooms - Bathrooms The end goal is to have a detailed drawing that accurately reflects the current state of the apartment, so that I can begin planning and executing the renovation project. If you have experience in this area and are confident in your ability to deliver high-quality drawings, please reach out to me.

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 bat...

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

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.

Augmented Reality Measurement Mobile Android App

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 ...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 ci...

...channels. • Define strategies for community engagement, influencer partnerships, and social advertising. 5. Paid Advertising Strategy: • Determine and allocate the budget across different advertising platforms (Google Ads, social media ads, display networks, etc.). • Develop ad campaigns with clear objectives, targeting options, and ad creatives. • Monitor and optimize ad performance regularly. 6. Measurement and Reporting: • Establish a system to track and measure the performance of marketing initiatives. • Regularly analyze and report on the KPIs defined in the objectives section. • Use analytics tools to monitor website traffic, conversions, and user behavior. Overall, I am looking for a freelancer who is highly skilled in digital marketing ...

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I need to drive 3 speed motor, plasmacluster, valve, read water inlet temperature and ambient temperature. It must work with RS485 modbus RTU protocol. It can work stand alone or with external modbus control. Development is with Arduino. source code must be released. Circuit and PCB diagram is indicative and must be completed by the freelancer. PCB is to be done with Eagle and must be released. A block diagram of both hardware and software must be presented in advance. Other technical specifications is "on the road"..

AR Android+Java/Kotlon app for measurement Flutter is not allowed Msg me for more details

I am looking for a skilled freelancer to develop a NMEA CAN bus program for battery monitoring. The project requires experience with Lithium-ion batteries...and be displayed on any standard MFD display. I have attached a spec sheet for a Mod Bus battery previously developed for a similar project 2 years ago. We require triggered alerts for audio and visual warnings for all BMS functions. We need a module that has switched outputs to communicate with the batteries and the boats CAN Bus. Standard BMS functions - Over Charge, Over Discharge, Short Circuit, Over Temperature, Over Current We want to be able to monitor all battery information across the CAN bus Voltage, Capacity, Status(standby)(charging)(discharging), Charge Percentage, Health, Discharge Current, Charge Current, Cha...

AR Android+Java/Kotlon app for measurement Flutter is not allowed Msg me for more details

I am currently looking for an experienced freelancer to set up GA4 Analytics for my e-commerce website. I already have Google Analytics set up, but need to transition to the GA4 suite of tools to better understand my traffic and customer activity. My primary Key Performance Indicator (KPIs) that I’ll be monitoring are traffic, conversion rate and product mix - these is the key measurement of success for my travel e-commerce website. If you have knowledge in GA4 and setting up tracking and analytics for e-commerce websites, please let me know. Experience in setting up dashboards and creating reports to track the health of the website is also advantageous. Please provide examples of your past work and experience in this space. Thank you.

I am in need of an experienced circuit board designer to create a circuit board from a hand drawn schematic. The purpose of the board is to convert a 25VAC analog pulse signal to a digital input that can be read by a Raspberry Pi. I am open to suggestions for the size and form factor of the board, as well as the budget for any components required. The designer should have extensive knowledge in circuit board design and preferably experience with components suitable for use in a Raspberry Pi environment. Would like to use PiHat design allowing me to connect directly onto GPIO of Raspberry PI. Have a picture of the circuit design and the final board. I live in Syracuse NY USA would prefer a local resource but not a requirement

I am working with a leading producer to take guitar effects and put them back into rack gear. We are emulating the tube screamer circuit and have other requirements for the circuit to give it a unique edge. It is at POV stage so budget it tight! I need help to design and build to a level that is in line with safety standards to not have limitations in global markets like the US or Europe. I can supply more detail once I have gauged the suitability of the project.,