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

Looking for a Power System Engineer with experience in designing, upgrading or troubleshooting power systems. Build, simulate, and model your systems with ease, providing limitless possibilities in power system simulation using PSCAD Software Deadline: 2 days max is 3 days

I am looking to design a cold storage facility for storing food products in an area of less than 1,000 sq ft. The facility will require a traditional refrigeration temperature control system in order to maintain the proper temperature and environment for storing the food products. The goal is to create a space that is safe and meets the necessary food safety regulations while also preserving the integrity of the food. This project requires the expertise of knowledgeable design and construction professionals who can accurately assess the size and scope of the project in order to deliver excellent results. The ideal candidate will have extensive experience building cold storage facilities and understands the delicate details involved in creating a functional, safe, and efficient space. If yo...

Job responsibilities: - Design and develop hardware include optimizing designs for manufacturability and cost- efficiency. - Will need to work in the multi-disciplinary team comprising electrical, software, system and process engineering. - Expertise in EDA tools, Circuit Simulation and analyzing Signal/Power integrity. - Design consideration for Analog and Digital signals, hardware subsystems, Multilayer boards. - Generate/Edit schematics, Components footprints creation/editing, Netlist import, routing, DRC/ERC alteration, Layout design/edit, 3D Modeling of PCBs, Gerber files generation, PCB fabrication. - Must have the experience on programming micro controllers - Work on obsolescence activities and electromechanical assemblies. - Selection of OEM Components, BOM preparation ...

I am looking for a freelancer who can help me with Raspberry Pi RS-485 connectivity for my industrial automation project. The ideal candidate should have experience in developing similar projects. Intended Purpose: - The RS-485 connectivity is intended for industrial automation. Sensors: - The type of sensors that will be monitored is energy meters (Modbus protocol). Number of Devices: - There will be 6-10 devices connected to the RS-485 interface. But for this task we just need to read data from a single sensor. Skills and Experience: - Experience in developing Raspberry Pi projects. - Knowledge of UART/RS-485 connectivity. - Experience in industrial automation projects. Specific Roadblock currently facing: I'm using this board: CM4-ETH-RS485-BASE-B from Waveshare Board specs:...

MK renewable energy ltd, are in need of solar engineer/ desiger to survey and spec commercial solar installations. 0777 317 6348

I need a freelancer to design and implement a Silos Cement Loading Lorry system. The system should be able to handle cement loads with a maximum weight capacity of more than 75 tons. The system should be able to handle ordinary Portland Cement, White Cement, and Colored Cement. The loaded lorry will be traveling more than 100 miles on average. Ideal skills and experience for this job include: - Experience in designing and implementing Silos Cement Loading Lorry systems - Knowledge of handling different types of cement - Ability to handle large weight capacities - Experience in long-distance transportation systems.

You need to finalise attached schematics, make PCB design and create BOM file. I will order on JLCPCB, so I need the project to be done on EasyEDA.

Hi There, Looking for a reliable, trustworthy electrician to inspect and repair our old family homestead in Wellsford. This home requires attention to all areas. we have about 11 bulbs in the house. Preferred Method of contact by email: If you are qualified in the following areas that would be a bonus: Plumbing Concreted Driveway Painter Carpenter

I am looking for suitable embedded system design professionals team for both hardware as well as firmware development can be done for following requirements. It is solar and grid based hybrid power supply unit with large transformer less design. Hybrid solar and Grid DC Power supply unit which will take 190V-450V DC solar input and feed to 400V DC bus at constant 400V voltage ( MPPT Function). Then another 230V AC Grid to 400V DC Power supply (SMPS POWER SUPPLY) and then 400V DC to 48V DC Bi Directional DC DC Converter ( Bidirectional converter). Here all these 3 different functions into a single unit. This can be designed with separate MCU to powerup MPPT and bi directional converters independently to avoid cascading failuer. All these 3 functions can be made with 3 different PCBs and...

This Project involves the proof of concept by getting a LoRa system working. The System involves: Communication using the RX TX pins of a receiver module e.g. REYAX RYLR896. We would first establish wireless communication by using the LoRa technology and then send and receive strings of data through the RX TX pins. Your job will be to firstly establish the LoRa connection and then demonstrate controlled communication by sending string of information to the receiver module and from the receiver module using the TX and RX pins

Build, simulate, and model your systems with ease, providing limitless possibilities in power system simulation using PSCAD Software

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 level block d...

PSCAD Engineering Expert Required Now

PSCAD Expert Engineer Required

I have a project to do Using simulink, transform " openExample('sdl/VehicleWithFourSpeedTransmissionExample') " this transmission into a 7 speed transmission. I need help in figuring out the clutch schedules and changing shift logic. Urgency level: P0

I am in need of a skilled developer to create an Electrical Service Load Calculator for Single-Family Homes in the United States. The calculator will specifically follow the most up-to-date National Electrical Code (NEC) requirements. The ideal candidate will have experience in creating web-based tools and has an electrical engineering background to provide a web-based calculator for residential electrical load calculator that can be put on a Shopify page. Must be fluent in English and have excellent grammar and attention to detail. The calculator should be user-friendly and easy to navigate. Some of the requirements for the calculator are: - Should be a web-based tool - Should follow the most up-to-date National Electrical Code (NEC) requirements - Should be specifically designed for Si...

I am looking to learn to plan p8 version 2.9. primary focus is following items. Project creation. Working with macros and panel layouts. Working on schematics. Propanel integration and layouts.

I have updated the schematics of a PCB project "SKD1" in KiCAD. It's a mixed-signal 25x32 mm PCB with about 56 SMT components. The purpose of the PCB is to interface with different types of sensors (analog and digital), to convert to a digital protocol. The PCB is already working well but I made some improvements. I need: Add the new components to the CAD Place the new components, using the backside if necessary. Route the changes. Change from 2-layer to 4-layer board if necessary. Tidy up the schematics. Check if any components are NRND and suggest replacements if they are NRND. Fix any design rule violations. Deliver KiCAD files and PCBA manufacturing files. I value freelancers who communicate effectively in English and have attention to detail, both in electronics work...

Help with installing, retrieving ladder on current machine. I have KV STUDIO, and I have retrieved the PLC program, but the "comments" did not transfer and the KV-D30 screen (hmi) I also need some help with.

Expert required for PSCAD project

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.

It's more about developing model and simulating in the Matlab, need to explain with and without pitch controllers and analysis of the results

Hello i have two PCB boards with PIC Microcontroller, can some one help me with debugging and flashing hex files on the microcontrollers because my board has been acting strange and I think the hex file in the microcontroller got damaged. I have the file and I would like to flash it again

Power System Electrical Engineering for PSCAD Work

I need a freelancer to design and implement a Silos Cement Loading Lorry system. The system should be able to handle cement loads with a maximum weight capacity of more than 75 tons. The system should be able to handle ordinary Portland Cement, White Cement, and Colored Cement. The loaded lorry will be traveling more than 100 miles on average. Ideal skills and experience for this job include: - Experience in designing and implementing Silos Cement Loading Lorry systems - Knowledge of handling different types of cement - Ability to handle large weight capacities - Experience in long-distance transportation systems.

I am looking for someone to create 3D printing plans for a volumetric display based on an open-source paper in CAD. skills and experience for this job include proficiency in CAD, 3D printing, and knowledge of design aesthetics. Here's a video of the device in action: And the paper: From what I gather, there's a frame, helix, and information disk, plus an arduino microcontroller. I'd like someone to make a CAD file that I can use to 3D print the device. Any info or pointers on the microcontroller would also be a bonus!

My project is to create content for a watch. Specifically, I am looking for someone to design a chip in support of this project. This content must meet specific criteria, of which I am the final judge and arbiter. Additionally, the desired outcome of the project is to have the chip designed within a month. Working on this project requires someone with expertise in the watch market, especially as it pertains to chip designing. This individual should be able to provide innovative ideas and suggestions while meeting my time goal of having the chip designed within a month. The candidate should also have a good understanding of modern trends in watch manufacturing in order to ensure optimum chip design. I am confident that with the right individual, I can create content to promote my wat...

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"..

More details will be shared in chat with the suitable freelancer. Only Electrical engineers experienced in PSCAD should bid. New freelancers are encouraged to place bid.

Looking for an experienced PSCAD expert to assist me with my power system project. requirement: -deadline: 3 days - Expertise in PSCAD -

Hi, I need someone to help me with a mini spectrum analyser using FPGA the results will be on a pc screen with GUI that the user can put markers on and change the resolution and more. See the attached screenshots, I have I have Cyclone IV - EP4CE10E22C8N

I am looking for a freelancer who can design and build an electric motor to linear force system for my subsea oil and gas equipment. The desired linear force output is 8.5 million Newtons. An example of a hydraulic version is shown below. We are looking for unique ideas to use a motor and gears to generate a similar force to replace the hydraulic version with electrical solutions. In order to be considered for this project, successful freelancers must provide detailed project proposals that showcase their experience in designing and building electric motor to linear force systems. Ideal skills and experience for this job include: - Electrical engineering - Mechanical engineering - Experience with subsea equipment - Experience with high force output systems The intended...

Expert needed for PSCAD project involving design, simulation, and analysis of a power system. The ideal candidate should have experience with PSCAD software and be knowledgeable in power system analysis. Deadline: 3 days or 4 max

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 looking at building a Refractometer Sensor Assembly (3 sensor assemblies for our prototype). The sensor will be integrated with a PCB, which will have other sensors. The purpose of the sensor assembly is to converts the refractive index of a food sample to % brix. OUR SPECS are as follows: The sensor assembly - must not exceed 20mm x 25 mm x 15mm in size - CMOS or CCD sensor - Triangular prism (see picture) - LED wavelength of about 600nm OTHER SPECS - 0 - 20 degree brix minimum - Precision ±0.1%; - Resolution 0.05% - Output Method: Dig...

I am looking for a PSCAD expert to work on my Metal Oxide project. The project requires simulation, analysis and design of a system using PSCAD. - Strong expertise in PSCAD - Knowledge of Metal Oxide systems - Experience in simulation, analysis and design using PSCAD - Ability to validate design and optimize performance Note: The requirement will share after bidding the project.

Project Title: esp32 and sim800l based project The main goal of this project is to create gsm based ivr system using esp32 and sim800l. The ideal candidate should have advanced programming expertise and experience in working with these technologies. Key Requirements: - Develop a sketch for microcontroller - Integrate esp32 and sim800l hardware components - Implement advanced programming techniques to ensure system stability and reliability Ideal Skills and Experience: - Advanced programming expertise - Experience in working with esp32 and sim800l - Knowledge of c++, python ,gsm - Strong problem-solving skills and attention to detail - Ability to work independently and deliver high-quality results.

I'm looking for a freelancer who can design and source ETA motors with a power output greater than 100 kW for my project. Specifically, I need diesel motors that will be used for power generation. I'm hoping to find a professional freelancer who has experience designing and sourcing this type of motor. The right candidate will understand the importance of providing reliable and efficient motors that meet my power generation needs. Your experience in this field will help ensure that I get the best product possible for my project.

I am looking for an experienced Electrical Engineer to partner with me on digital/electrical installations. The ideal candidate does NOT need energy efficiency hardware installation and digital IoT devices installation experience. FULL ONLINE TRAINING PROVIDED. We will be working on an ongoing basis, initially completing one or two installations per month, with the potential for massive growth in the future. Basically, every commercial building, factories, hotels, restaurants, schools. colleges, etc. are potential customers. The project requires specific hardware and devices, as outlined in a list provided by the client. Therefore, the ideal candidate should be able to work with these devices, but online training will be provided regardless. Key skills required for this job incl...

I am looking for a freelancer to help me create a digital pen for personal use. The primary purpose of this pen is to capture images and send/receive data via network to an application. Requirements: - The digital pen should have a fixed micro HD webcam and a small LED screen - Screen we can see at least 10 digits only. - It should be able to support 4G network - The pen's size and weight should be small and lightweight for easy portability like regular using pen. - - These all feature not easily find to anyone. - use below link for your reference - Ideal skills and experience: - Experience in designing and developing digital pens - Knowledge of integrating 4G network support and micro webcams - Proficiency in software development for controlling the digital pen. ...

I am seeking an electronic engineer to design and develop a new microcontroller product that will signal particular commands. The ideal candidate will have experience in consumer electronics and microcontroller development. The main goal of the project is to create a product that will meet the needs of our clients. The desired output of the microcontroller is sensors. The project will require troubleshooting and fixing issues as well as improving the product as needed. Key skills for the job include knowledge of microcontroller design and development, consumer electronics, and troubleshooting.

we are seeking a competent person that can assist us in detailed RFQ for ordering PMG type generators with suitable excitation system. we run off mechanical engines with pneumatic instrumentation so there is no auxilliry power supply for AVR etc. a understanding of ATEX and IECex preffered. before we proceed we would like to have a teams meeting or other to run through what problems we have had to date and the solutions we think possible based on different scenarios. budget is flexible to the right aplicant with possible regular projects including panel drawing designs etc

Need to simulate a microwave system inside a simple cylinder. gettin the error Solving adaptive frequency ..., process hf3d error: Failed to solve port 1, solving at too low frequency is a possible cause. Please contact Ansys technical support.

Decodificadores y Codificadores. Multiplexores y Demultiplexores. Medio sumador, sumador total y sumador paralelo. Restadores y Multiplicadores. Sumas en BCD. Convertidores de Código con 7483.

Need an electrical engineer for a greenhouse for our customer

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.

Hi, I am looking for a freelance PLC programmer to support me with my project. I want to program an Allen Bradley PLC that will be used for machine control. In terms of communication protocols, I wish to use EtherNet/IP. Previous experience working with these protocols is a must. If you have worked with similar projects in the past or have the necessary skills, I would be interested in hearing from you.

I am looking for a freelancer who can help me develop a basic RFID access control system based on ESP32 and Micro sd card module. The system should be able to read RFID cards or tags within a short range of less than 1 meter. I am looking for a freelancer who has experience in developing RFID access control systems and is familiar with ESP32 and Micro sd card modules. The ideal candidate should have the following skills and experience: IMPORTANT: It is exclusive that the developer has all the necessary tools and components to test the code. The code should be debugged and working when you close the project. Sure, we can do some tests and small adjustments before. - Experience in developing RFID access control systems - Familiarity with ESP32 and Micro sd card modules - Knowledge of RFID...

I am looking for a freelancer who can create a memecoin smart contract on the Ethereum blockchain network. The smart contract should have token distribution functionality with a basic level of customization, including fixed supply and equal distribution. Ideal skills and experience for the job include: - Experience with creating smart contracts on the Ethereum blockchain network - Knowledge of token distribution functionality and basic level of customization - Understanding of memecoin and cryptocurrency market - Ability to deliver quality work within the given timeframe.

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 and have experience in working with RF modules. The main purpose of this project is to establish a reliable and secure RF link for the 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 yo...