Circuit conductivity measurement punët

I have a completed Pcb design. I need to verify the design with the design of the lolin wroom32. We produced the design but they are telling me there is an upload problem. I need to find this problem on the design. It’s not complex it’s a d32 with some connectors added

ESP Master/Valve Driver Update: 1. Replace the 5v LDO to Buck converter. So we can provide 12v input power supply and convert it to 5v for ICs 2. We would like to connect pressure transmitter sensor with i/p 10-30v and current output 4-20mA. Shall we use the existing S1 port for this purpose? If not, we would like your recommendations 3. Experience heat beneath IO Expander IC in 4-Valve/8-Valve board. 4. May need to revisit the power draw of LEDs in master board 5. Sometimes ESP overheats with WiFi STA/AP mode. 6. Redesign existing Eagle project into Easy EDA 7. Provide adequate support for Firmware changes Slave/Wireless Pump Controller: 1. Handle ESP32 brownout/flicer scenarios when WiFi is turned On and sending HTTP request to master 2. Remove the 5V power supply to I2C FRC Con...

I am looking for a skilled freelancer who can modify the PCB design and firmware for my STM32 project. The following are the specific requirements for the job: PCB Design: - Component replacement needs to be modified. - The circuit layout and board size can remain the same. Firmware : - Make firmware run on the new PCB Timeline: - I need the project to be completed in 2 or 3 weeks. Ideal Skills and Experience: - Strong experience in PCB design and modification. - Proficient in firmware programming for STM32. - Knowledge of circuit layout and component placement. - Familiarity with bug fixing and feature addition in firmware. If you have the necessary skills and experience to complete this project, I look forward to hearing from you.

Broadcast Radio Engineer/Sound Engineer needed to change broadcasting name of Snetterton Circuit radio from BSB Radio to SNET FM. UK BASED ONLY. JOB IN NORWICH.

Nordic nRF52 PDM Microphone Project I am seeking a software developer wh...Algorithm: Set up the PDM interface. It is necessary to supply power to the microphone through PCA8574APW, 118 (the code for PCA8574APW is already configured, there is a function, it works). Function is PCA_setstate(PCA_MIC) to turn on and and PCA_setstate(PCA_OFF) to turn off power supply for microphone. Start collecting data from the microphone, fill the buffer. Make a conversion and get a measurement of the sound volume in decibels. There is a function prototype to implement: PDM_init(); // init PDM interface db_value=Get_Dec(); // to get data from MIC. you need use siparatly pdm.C and pdm.H files for you code. The task must be done quickly in 3 days. I give access to the hardware platform and PC through ...

I am looking for a freelancer who can create engineering drawings for an industrial site in Bahrain. The site is approximately 100m2 in size and I require a basic outline of the site. Ideal skills and experience for the job include: - Experience in creating engineering drawings for industrial sites in Bahrain - Knowledge of site surveying and measurement tools - Proficiency in CAD software - Attention to detail and accuracy in creating drawings - Knowledge of local standarts If you have the necessary skills and experience, please submit your proposal for this project. Thank you!

...Finished mm / g Dragster Body A. Dragster body length 200 mm 305 mm B. Dragster body height at rear with wheels 75 mm C. Dragster body mass / weight with wheels 45 g 170 g D/r. Dragster body width at axles – front & back (Rail Type) all wheels are outside the body 35mm - 42mm external measurement. 35 mm 42 mm D/s. Dragster body width at axles – front & back (Shell Type) all wheels are inside the body 35mm - 42mm internal measurement with a minimum 3mm wall thickness each side. 35 mm 42 mm E. Dragster Body width (including wheels) 90 mm Axles / Axle Holes / Wheelbase F. Number of axles 2 2 G. Bottom of axle hole above bottom of dragster 5 mm 10 mm H. Rear axle hole fr...

...looking for an experienced PCB design engineer to create a custom audio PCB design for a project I am working on. This project requires a large design (over 5 square inches) for audio processing purposes, with a focus on 5.1 decoding. The engineer should have extensive experience in PCB design and must be proficient in various aspects of the development process, including component selection, circuit analysis, prototyping, debugging, and validation. Knowledge of audio processing concepts, such as signal filtering, sound effects, and equalization, is essential. The chosen engineer will be required to implement the most cost-effective solution and create a product that meets all functional requirements. If you believe that you have the skills and knowledge necessary to complete t...

...have hands on work for complete PCB layout flow in cooperation with our existing PCB design team. This includes schematic capture, PCB design , Library creation (symbol & footprint), BOM, Gerber etc. Essential Duties and Responsibilities: • Analyze and understand circuit design, schematic capture, PCB layout, BoM development in coordination with design team. • Understanding customer requirement and interfacing with design team for creating PCB layout for Burn-in boards for HTOL, HAST and MCC platforms and ATE load boards • Circuit design with consideration for layout, routing, and timing constraints, DFM, DFA, DFT constraints • Do thorough design review. • Work with fab suppliers to get boards fabricated • Willing to do assigned tasks ...

I am in need of a skilled electrical/electronics engineer to design a circuit for my consumer electronics project. The ideal candidate will have experience in circuit design/ firmware development and be able to work quickly to meet my tight deadline of less than 1 week. Specifically, I need someone who has the following skills: - Circuit design/ MIcrocontrollers/ PCB - Ability to work quickly and efficiently - Experience with consumer electronics If you are an electrical/electronics engineer who meets these requirements, please submit your proposal. Thank you!

I need the following technicians Circuit engineers: digital mixing console circuitry for optimization or customization Software engineer: digital mixing console audio processing and user interface, etc. Audio engineer: audio signal processing, acoustic optimization and audio quality control, etc. User interface designers: design and development of user interfaces If you are a technical person in audio welcome to talk to me!

I am seeking a freelancer who can help me make some minor adjustments to my existing soil sensors project using Arduino Uno. The changes needed are on both the code and circuit. As for the soil sensor's functionality, I require accurate readings and a quick response time with low power consumption. The expected outcome of the project is to give readings and crop recommendations. The ideal candidate should have experience with Arduino programming, circuit design, and sensors.

...Below please find the main futures of the BMS we intend to develop : -Control of battery packs composed of 7 to 15 cells connected in series -Measurement of the voltage of each cell with resolutions of 1 mV; -Measurement of the current pack in charging and discharging with a resolution of 10mA; -Monitoring the temperature (2 channels) of the cells and the board; -Smart balancing of the cells; -Measurement of the SOC (State Of Charge) on the level of energy present in the package; - If you reading this, please write (LMC) word on your proposal -Blocking of charging and discharging for security issues; -Bidirectional protection in charge phase; -Short circuit protection -Internal clock (real-time clock) for synchronization of data; -Adjustable parameters for ...

I am looking for an experienced CAD designer to create basic layout plans and measurements from scratch. This project requires artistic design skills and the ability to convert rough sketches into accurate technical drawings. The plans should meet all of my specifications and should provide enough information for accurate fabrication or planning purposes. In addition, the CAD designer should have a good understanding of industry standards and a thorough knowledge of design principles. Experience in creating architectural or engineering plans would be a major plus. This is a time-sensitive project and I expect to review multiple design drafts before choosing the final design.

...CircuitLab on my existing JavaScript website for educational purposes. The ideal candidate should have experience with JavaScript and CircuitLab. The project involves integrating basic circuit design only, and no additional features or functions are required. We have a platform on our website dedicated to our students where they can study and complete their assignments. Our goal is to integrate/embed CircuitLab into our website so that our users can access and utilize it directly within our platform. We aim to enable the embedding of CircuitLab along with specific input parameters, such as initial circuit information, and we also want it to be capable of returning the final result. It's worth noting that the client-side of our website is developed using Vanilla...

We are seeking a highly skilled individual capable of effectively solving complex Electronics Circuit questions within a tight deadline. The following topics are of utmost importance for these questions: red ones rectifiers diode circuits Zener diode Fixed Base Bias Circuit Fixed Base Bias with emitter resistor (Emitter stabilized bias circuit) Voltage-Divider Bias Circuit AC analysis and DC analysis Operational amplifier If you possess expertise in these areas and have a proven track record of delivering accurate and timely solutions, we invite you to apply for this project. The successful candidate will be expected to demonstrate proficiency in tackling intricate Electronics Circuit problems and providing comprehensive solutions. Please note that a...

I have a system that I use an analog potentiometer to control the length of time between change in relays turning on and off. I would like to be able to install a wireless digital potentiometer controlled by remote into the circuit instead of the analog. Need someone to help with this process. Thank you

I am looking for a freelancer who can help me with the stimulation of air conditioner ducting. I already have the measurements of the area where the ducting will be installed and I am using a duct AC system. I have specific requirements for the ducting materials and design that I woul...and design that I would like the freelancer to follow. Product: Daikin 11 Ton Duct ac-1 pc Daikin 16.7 Ton Duct AC -1 pc Ideal skills and experience for this job: - Experience in air conditioner ducting design and stimulation - Knowledge of different ducting materials and their properties - Ability to work with specific requirements and preferences of the client - Attention to detail in measurement and installation of ducting - Good communication skills to discuss any issues or concerns during th...

Designing an Industrial Current Limiter Device Our project requires a current limiter device that can handle up to 20A and provide an instantaneous response time. The device will be used for industrial applications. Ideal skills and experience for this job include: - Knowledge of current limiting circuit design - Experience with industrial applications - Familiarity with instantaneous response time requirements - Ability to design and test prototypes - Understanding of safety requirements and regulations We are looking for a freelancer who can work with us to design and test a prototype of the current limiter device, ensuring it meets the desired specifications. The final product should be reliable, efficient, and safe for use in an industrial setting.

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...