Circuitpráce

...custom electronic circuit board for an experimental project. The primary functionality required for this board is the ability to accurately calculate the phase angle between two input signals and to show the result on an Oled screen. Key requirements and specifications for the project are as follows: - Intended use: This board will be used for an experimental project. - Functionality: Accurate phase angle calculation between two input signals. - Frequency range: The input signals will be in the very high frequency range of 150Mhz. The ideal freelancer for this project should have: - Strong background in electronics engineering, particularly in circuit design. - Experience with high-frequency signal processing and measurement. - Proven track record in designing custom ...

I am seeking a proficient PCB designer who can design a single-layer PCB for my consumer electronics device. To design a circuit that meets your specifications, you’ll be creating a two-part PCB system. This design will integrate a user interface that controls two LEDs with toggle functionality, ensuring only one can be lit at any time. Additionally, there will be a separate button dedicated to activating a bell function. The system will be divided across two PCBs: one located outside the room (containing the LEDs and the bell button) and the other inside the room (housing the control buttons and the bell’s buzzer). Key Aspects: - The PCB should support Passive components like resistors, capacitors etc. - You should have hands-on experience designing single-layer PC...

I am urgently in need of an expert to assist me with a set of complex electrical circuit problems. Your task would be to: - Solve higher order ODE circuit problems - Assist with convolution problems - Tackle Laplace transfer issues The successful accomplishment of this project will result in: - Finding the transfer function - Analyzing the frequency response - Solving for the circuit variables This project requires a great understanding of electrical engineering principles, particularly, higher order ODE, convolution problems, and Laplace transfer. Proficiency in complex problem-solving under limited time conditions is an added advantage. I need this job completed ASAP. If this sounds like the kind of project that you'd excel at, please get in touch.

I'm in need of a skilled electronics engineer with experience in power management circuits. Your task is to optimise a battery protection sub-circuit that is already working but uses too much power. The circuit is used to protect a lipo battery from overvoltage, if the charging voltage goes above 4.2V then the battery should be disconnected until the voltage drops below 4.2V. The existing circuit operates by using a comparator to compare a reference voltage to the battery voltage and using a PMOS switch to disconnect if required. There are a number of key criteria that must be achieved and are non-negotiable. - The passive current of the total circuit should be as small as possible <50uA, currently over 1mA - The design needs to be triplicated (see s...

I am urgently seeking an Extra Low Voltage (ELV) Engineer/Designer to create comprehensive shop drawings for a small building of 4 stories. Key responsibilities include: - Designing an efficient ELV system focused on security, communication, data networking, and a sound system. - Covering Closed Circuit Television (CCTV), Access Control, Data, WIFI & VOIP points, PA, Conduit, Junction BOX (JB) & GI Tay. ** Provide clear instructions and specifications in the shop drawings for the electrical contractor to install necessary pipes, GI trays, boxes, junction boxes, and related infrastructure. ** Facilitate the ELV installer with precise guidance for cable pulling, switch installation, network cabinet setup, wire termination, and device installation as per the drawing detail...

I'm currently seeking an experienced electronics engineer to assist with the detailed design of a digital signal processing circuit. This role requires proficiency in three main areas: - Circuit Design: Crafting a circuit layout that can efficiently process digital signals. - PCB Layout: The successful freelancer will have the skills to translate the circuit design into a practical PCB layout. - Component Selection: The chosen professional will be able to recommend and select the optimal components for this specific task. Ideal collaborations would have a track record of innovative circuit design for digital signal processing, and be confident in their ability to select the most efficient and cost-effective components for the PCB layout. Previous s...

i am electronics businessman. i need a person who can design circuit as my requirements. not very complicated circuit just some simple diy circuits actually.

I am looking for a professional electronics engineer who can create precise Eagle files of a circuit board design. The circuit board should be designed to control LED lights. Essential elements include: - The ability to select between 5 to 10 operational modes for LEDs for different lighting effects or patterns. - Besides having an on/off feature, it should have an intermediate level of LED brightness control meaning a few levels of light dimness for better adaptability. This should be within the modes. Ideally, you will have strong skills in using CAD software like Eagle to create professional and workable PCB designs. A strong command of electronic design, specifically with LED control systems, is highly attention-grabbing. In your proposal, please provide examples of ...

I'm seeking a professional experienced in PCB design and firmware development to construct a metal detector circuit board. Skills and experience required: • PCB Design and Assembly • Embedded Systems Programming • Power Efficiency Optimization • API Integration Project Details: • The detector must primarily target ferrous metals such as iron and steel. • The detection range should be in the vicinity of 1-3 meters. • The PCB must be energy efficient and should have a minimum battery life span of 3 months. • Upon detecting metal, the device should transmit a binary signal (present or not-present) to my API. If you have the relevant skills and experience, I'd love to hear from you.

I need a power amplifier designed for a 28nm CMOS technology. Since the maximum power output, frequency range, and target application have not been specified, the freelancer needs to be skilled in various amplifier designs and also have flexibility to adapt the design according to different project requirements. Ideal Skills: - Integrated circuit design - Solid background in CMOS technology - Experience with power amplifiers -Cadence Design Systems Experience with wireless communication, RF signal and audio processing would be a plus. Please make sure to detail your portfolio and previous experience in power amplifier designs when submitting your proposal.

Add the circuit diagram (black lines in the screenshots) to existing video(mp4 file). Make sure the lines are straight, in parallel, and High resolution

As someone who is keen on enhancing the efficiency of our digital design processes, I am loo...Aspects: Developing SAT solver and DPLL algorithm. 1. C++ programming: The engineer will be required to focus mainly on enhancing and implementing algorithms. 2. Digital circuit design: Basic understanding and experience in digital circuit design is essential. Ideal Profile: - Strong C++ programming skills - Experience in implementing algorithms using C++- Digital Design Experience While the experience in FPGA programming and knowledge on HDL are beneficial, the prime focus will be on C++ software development and digital design. Hence, I'm primarily seeking a candidate who excels in the field of programming over circuit design. Nonetheless, an individual who combines ...

I'm looking for an expert to assist in performing a dynamic threshold MoSFET simulation. Both Pspice or LTspice can be used for this task, ensuring flexibility. Key aspects of the simulation include: - Measuring Voltage - Measuring Current - Measuring Power - Transient Analysis Although the target application for this simulation w...Measuring Power - Transient Analysis Although the target application for this simulation was not specified, I would like the expert to be experienced in a range of applications which could include, but are not limited to, amplifiers, filters, or power supplies. Ideal skills for this project would be proficiency in PSpice or LTSpice, an understanding of dynamic threshold MoSFETs, expertise in circuit analysis, and the capability to interpret resu...

I am in need of a talented PCB designer who can assist with the basic design of a circuit board. This project's main aim is to replace an existing circuit board. Details related to the project: • This is a fairly simple task with only a few components involved, making it very suitable for those who excel in basic PCB design. • I have a schematic diagram that I will provide. Your task will just be to take that schematic and translate it into a PCB design. Ideal Skills and Experience: • Extensive experience with PCB design • Familiarity with basic components • Ability to translate schematics into PCB designs • Strong attention to detail This project is a fantastic opportunity for someone looking to showcase their PCB design skills on a ba...

I'm in need of a dedicated and skilled CAD engineer who can meticulously eliminate DRC (Design Rule Checking) and LVS (Layout VS Schematic) errors for a CMOS-based rectif...project design and layout software. 2. Ability to accurately clean up both DRC and LVS errors using Virtuoso. 3. A comprehensive understanding of pre-defined foundry design rules that is to be followed strictly. Ideal Skills: • Expert proficiency with Cadence Virtuoso • In-depth understanding of Design Rule Checking (DRC) and Layout VS Schematic (LVS) • Strong technical knowledge in CMOS-based circuit design Clean, error-free designs are essential for successful device fabrication - I'm trusting you with this important task in my project. Your skill and attention to detail will be the k...

I am in search of a skilled and experienced electronic engineer to help with circuit and PCB design for my project. I require an expert who is particularly skillful in GPS tracker design using Quectels MC60. Key tasks will include: - Designing the circuit in a manner that efficiently manages power, integrates sensors, and supports diverse communication protocols. - Development of a corresponding PCB design that allows for seamless integration of the circuit. Ideal candidates will have experience working with battery-powered circuits, possess exceptional proficiency in circuit design and PCB layout, and have a strong understanding of the mentioned functionality. Note: Please only make a bid if you are familiar with power management, sensor integration, and c...

I need a power amplifier designed for a 28nm CMOS technology. Since the maximum power output, frequency range, and target application have not been specified, the freelancer needs to be skilled in various amplifier designs and also have flexibility to adapt the design according to different project requirements. Ideal Skills: - Integrated circuit design - Solid background in CMOS technology - Experience with power amplifiers -Cadence Design Systems Experience with wireless communication, RF signal and audio processing would be a plus. Please make sure to detail your portfolio and previous experience in power amplifier designs when submitting your proposal.

I'm seeking a creative and innovative graphic designer to create a logo for my brand, Autolumen. Autolumen is a professional store offering premium car accessories. Our logo should symbolizes our commitment to efficiency and power. We offer various products, including stethoscopes, circuit tester, battery testers, and battery chargers etc . I invite you to surprise me with your original ideas. Ideal Qualifications: - Proven track record in graphic design - Ability to conceptualize fresh, creative logo designs - Expert in color theory and typography Please provide portfolio examples of your past work. I am excited to see where your creativity leads this project.

...need a skilled developer to combine my existing HTML-based user interface (UI) with my circuit-based MicroPython code. The aim for this implementation is to ensure smooth usability and circuit control functionality. Key Features to Include: - UI Design: Incorporate existing design featuring buttons and input fields. - Circuit Control: Using the integrated code, the UI should control the circuit operation. Button Functionalities: - The buttons on the UI should have the ability to Start/Stop the circuit. - They should also facilitate changes to circuit settings. The ideal candidate for this project should have significant experience in MicroPython and HTML, with a strong understanding of UI design and circuit control. Experience with Ras...

I am looking for a proficient engineer to develop a buck-boost converter model using MATLAB Simulink. The objective of this project is to use Circuit Averaging to create a model for buck-boost converter which can be controlled by PWM. Key Responsibilities: - Design and implement a buck-boost converter model using MATLAB Simulink. - Ensure that the model accurately represents voltage regulation. Required Skills & Experience: - Strong background in electrical engineering, particularly in power electronics and converters. - Proficiency in MATLAB Simulink for electrical circuit modelling and simulations. - A solid understanding of buck-boost converter principles, design, and applications. - Attention to detail and a strong emphasis on accuracy. - Ability to communicate c...

I am in need of a skilled freelancer with expertise in Circuit Design. The purpose of this job is to aid in the development of consumer electronics. The project will extensively involve the design of circuits with specific components included. Key requirements: - Strong background in circuit design - Specific experience in consumer electronics - Expertise in the inclusion and functioning of resistors, capacitors, and transistors within circuit designs - Design considering longevity, efficiency, and cost-effectiveness Please include relevant work examples and background in your response. A proficient understanding of circuits within consumer electronics is crucial for this job, along with creativity and an eye for efficient design. Your experience will be the most imp...

... The task at hand is somewhat intricate as it involves creating a DC fast charger with a power output of 120kw; the catch is that it should be tuneable. Key requirements for the design: - Charging Connector: The type 2 connector, suited to fit most, if not all, EV models. - Safety Features: It's critical that the design integrates over-voltage protection, ground fault protection, and short-circuit protection mechanisms. - User Interface: The charger should have LED indicators for user-friendly interactions. Furthermore, I have ambitions for the charger to be integrated with a mobile app for remote management and convenience. It'll be best if candidates have credible experience in EV charger design, electrical engineering, and knowledge of safety regulations aroun...

Seeking an exceptional PCB designer to develop a power electronic voltage regulator. Deliverables must include four distinct output settings. The skill-set necessary for a successful undertaking will include a high level of knowledge in power electronic circuit configurations, specifically in voltage regulators, as well as prowess in detailed and precision-oriented multiple output design. - Required Skills: Power electronics, PCB design, Voltage regulators. - Experience: Proven track record with multi-output voltage regulator designs. - Output Specifications: Four unique voltage and current outputs. Specifics to be discussed after successful application.

...aesthetic should be a fusion of minimalist and techy styles. Key Features: - The core colors are red, silver, gold, navy blue, and white. - It should prominently feature an iconic representation of an eagle. - The logo should integrate aspects of a circuit board. Details: - The logo should clearly communicate the name of the company, "Optifi". I'd also be interested in options that incorporate "". - The ideal candidate would have experience with minimalist designs and a sound understanding of how to incorporate technology elements, such as circuit boards, into logo designs. - A portfolio showcasing previous tech-oriented, minimalist designs would stand this candidate in good stead. As this is a woman-owned company, the logo should inspire stren...

...The selected candidate's scope of tasks will encompass: - Assisting with comprehensive 3D modeling - Conducting effective clash detection - Providing technical support - MV/LV Networks , (cable routing, medium voltage & low voltage switch gears, transformer loading). - load calculation and load estimation according to SBC code - power single line diagram cable sizing, voltage drop, and short circuit calculation. Sockets, power outlets. - Load schedule. - street and exterior lighting / Interior Lighting design. - Grounding systems. - ICT - Sound system, - Cctv system, Ideally, the freelancer should have experience not only in design but in design implementation as well. A proven track record of similar projects is desirable. The end-goal is a perfectly modeled, prec...

I need an expert assembler programmer to write new code. The code needs to have the follow functions: Programming is for a circuit with an ATmega328P microcontroller, 4 push buttons, 4 LEDs, and a common cathode 7-segment display. Button 1: Displays the letter 'L' on the screen, turns on LED 1, and makes it blink. Button 2: Displays the letter 'D' on the screen, turns on LED 2, and makes both LED 1 and LED 2 blink. Button 3: Displays the letter 'R' on the screen, turns on LED 3, and makes LED 1, LED 2, and LED 3 blink. Button 4: Displays the letter 'S' on the screen, turns on LED 4, and makes LED 1, LED 2, LED 3, and LED 4 blink. When a button is pressed, a letter will be displayed on the screen and the corresponding LED will be turned on, bl...

As an electrical engineer, I'm looking for a specialist who can creatively help me in the test of the prototype and design the electronic Printed Circuit Board (PCB) board to convert output to charging input of 84v li ion also input 58.6v as we drive around in the electric vehicle (EV). - Electronic PCB board Design * The key purpose of this project is to engineer the electronic PCB board design, taking the prototype EV brake rotor with magnets, and pie shape copper coil collectors into consideration. * I desire the designed PCB to have an efficient charging system, capable of converting charging input to 84v li ion also input 58.6v. - Prototype Testing * When it comes to testing the prototype, the overall effectiveness of the design is my area of focus. I want to e...

I need an experienced Google Ads B2B lead generation expert who specializes in the industrial electronic parts industry. The focus is majorly on generating leads for Circuit Boards, Sensors and Switches, and multiple similar parts. What the Task Involves: - Developing and optimizing effective Google Ads campaigns for my products. - Identifying key target audience within the industrial electronics domain. - Implementing strategies to convert leads into prospective customers. The expert should have: - Proven experience in Google Ads and B2B lead generation. - Knowledge of the industrial electronic parts industry. - Strong understanding of audience targeting strategies. Geographical targeting is not a constraint for us. However, an understanding of global industrial markets is es...

I require the design of a multi-layer Printed Circuit Board (PCB) for my electronics hobby project. Key Requirements: - Multi-layer PCB Designing knowledge - Ability to convert electronic concepts into functional PCBs Ideal candidates will demonstrate: - Prior experience in hobby or personal project PCB designs - Understanding of troubleshooting and refining designs based on feedback Please note, the preferred software for this project is flexible, as it was not specified by me. Therefore, you can apply with your expertise in any of Eagle, KiCad, Altium Designer or your preferred software tool. Your job will entail initial consultation, schematic design, layout and design work, generating manufacturing files, and potentially overseeing the initial production run. You should...

I'm in need of a skilled CMOS Circuit Design Engineer who is an expert in in memory comuting. While a specific level of experience hasn't been designated, it would be beneficial to show concrete examples of your skill level in your application. Specifically, I'm looking for the following: - Expertise in cmos circuit design with knowlege on in memory computing. - Work Experience/PhD

I'm seeking a highly skilled PCB designer to create a simple prototype for me. The ideal freelancer should have expertise in the following areas: - Simple circuit design - Prototyping - Knowledge of active and passive components like transistors, integrated circuits, resistors, capacitors, inductors. My prototype will utilize both active and passive components in balance. The importance of creating a simple but effective design can't be overstated. Your technical acumen will contribute greatly in honing this prototype for eventual evolution into a more complex device. Please, I’d appreciate a portfolio of past works that accentuates your proficiency in these areas.

...following components: 1. JLCPCB part C5604725 2. Two 1 x 12 male headers (2.54 mm pitch, 22.86 mm (.9 inches) between headers). The board at will plug into these two male headers (the link shows the board having male headers but the ones I use have female headers installed). This board will apply power to the circuit. 3. One 1 x 16 Female header. I will specify what pins connect to this 4. Two push button switches. I will specify what connects to these. 5. One 1 x 4 female header. I will specify what connects to this header. 6. One 1 x 16 female header. The 16 pins from item #1 will be routed to each pin 7. Possibly one 3 V led I have attempted to do the above (except for step 6). I would like someone to take

...allowing users to narrow down potential matches with specific criteria. - A messaging system is needed, enabling users to communicate with each other privately. As the client has skipped providing specific information for the user profile, a successful freelancer should have the ability to deliver a user-friendly and intuitive user profile design based on best practices in the matrimonial website circuit. Your design should allow for future enhancements, such as the possible inclusion of personal details, photos, videos, and more. Successful candidates should have strong experience in similar projects and a solid understanding of user experience principles. Expertise in HTML is a must, as well as proven experience designing and implementing user interfaces. Previous work in mat...

I urgently need a skilled PCB designer to help me develop the perfect board for my radio project. Tasks include but are not limited to: - Producing a circuit control based PCB design - Ensuring the design is small in size. Ideal skills and experience: - Extensive experience in PCB design - Specialized knowledge in circuit control system - Past experience on similar sized projects. When applying, showcasing past work, your level of experience, and a detailed project proposal will significantly increase your chances of success. Please include all of these in your bid.

...create a digital version of a high-level overview of an electrical system schematic. The schematic is currently hand-sketched and needs to be created in a MS Visio File (or similar) in digital format. The Schematic is currently 5 sheets; from power supply (1 source) and control (2 controls) to specific unit connections (7 units). Schematic will include only simple electronic hardware, including: - Circuit breakers / Fuse - Switches / Relays - Terminal Blocks - Wiring / Connectors The schematic needs to clearly indicate and demonstrate the connections and functionalities of these specific components. While there is no particular standard to adhere to, the schematic must be accurate and adhere to best practices in electrical engineering. Detailed brief will be available upon req...

I'm in need of an expert who can simulate a simple task on TinkerCad using Raspberry Pi 4 Model B. The task involves utilizing OpenCV for facial recognition and record keeping. Skills and Experience: - Proficiency in using TinkerCad f...Raspberry Pi 4 Model B. The task involves utilizing OpenCV for facial recognition and record keeping. Skills and Experience: - Proficiency in using TinkerCad for simulation - Sound knowledge of Raspberry Pi 4 Model - Proven experience with OpenCV for facial recognition - Familiarity with record keeping mechanisms Most of the code already done... You just need to simulate it after creating circuit on TinkerCad The ideal freelancer for this task should be able to demonstrate prior similar work. I look forward to seeing the simulated proce...

...to design an RF transmitter circuit compatible with the rx480e module at frequency 433MHz. Importantly, I need the transmitter circuit to be simple yet effective, with the capability to cover a long-range distance of at least 3km to 5km. With 4 chanel. Key Aspects: - Long-Range Communication: The transmitter circuit should be designed to work efficiently over long distances - a minimum of 3km. - Simple Design: The design needs to be as straightforward as possible, without compromising functionality. - Compatibility: The transmitter circuit must be compatible with the rx480e module. The Purpose: This RF transmitter circuit will be instrumental for a remote control system that is able to control a small relay and through that relay we can control a pow...

Need someone to program and circuit a coin, bill, and card acceptor. We are setting up a water vending machine. It will be more like a gas pump that is for water. where you put money in, and the pump turns off when the amount is reached.

I'm in search of a skilled and certified professional who can create a detailed single line electrical diagram for a commercial building. This project aims to fulfill the requirement for a building permit application. Your tasks will include: - Designing a detailed single-line electrical diagram, including all circuit elements. - Affixing an official engineering stamp to the completed diagram to signify approval. The perfect contractor for this project will: - Be versed in commercial electricity distribution and power systems. - Have experience creating detailed single line diagrams for commercial buildings. - Have access to an engineering stamp, or be a certified engineer. This is an opportunity to have a substantial impact on a commercial project's green light. Show o...

As an electrical engineering student, I need assistance with an intermediate-level assignment on power converters in power electronics with the switched capacitor circuit. The freelancer's main responsibilities will be: - Problem-Solving: Help me figure out solutions to problems presented in the assignment. - Theory Explanation: Explicate theories related to power converters to promote my understanding of the subject matter. - Design and Simulation: Assist with the design and simulation of power converters. The perfect fit for this project would be someone with a strong understanding of power electronics, specifically power converters. Previous experience in academia or tutoring would be an additional advantage as they might be more prepared to explain complex theories clearl...

I am in need of specialized assistance with creating advanced level, comprehensive schematic diagrams for control circuits. Tasks: - Creation of new schematic diagrams, focusing on detail and technical complexity. Ideal Skills and Experience: - Excellent understanding of control circuits - Proficiency in eplan software - Experience in creating complex schematic diagrams - Ability to generate reports based on schematic data

Create a PCB design as descried on Chat

...project is a simulation of electric circuit lab where the user can put together different electronic components to make a functioning circuit. Essential Points to Consider before Bidding: * The Developer should be able to create 3D models of the different circuit components. * The user interface should allow for drag and drop placement of components. * The simulation should be capable of handling complex circuits, specifically microcontrollers. * The simulation must provide basic analytic data, such as voltage and current. Ideal Candidate: A successful candidate for this project should have significant experience in Unity and a strong background in electronic engineering, particularly in the area of microcontrollers. A thorough understanding of circuit be...

As an individual looking to improve an existing circuit system, I'm searching for a proficient electronics engineer. Your expertise will be crucial in all aspects ranging from circuit design, PCB layout to firmware development. The specifics of the project involve: - Analyzing and refining the current circuit system - Redesigning the PCB layout for optimized performance - Firmware development for better functionality While you have the liberty to employ any CAD software - Altium Designer, KiCad EDA, Cadence Design Systems, or another of your preference, a strong proficiency and extensive experience in the use of these tools would be ideal. If you're someone who has a deep understanding of electronics, excels in problem-solving, and has a flexible approac...

I'm looking for a skilled designer to help create detailed 3D drawings for an electrical prototype. The focus should be on: - Circuit boards - Wiring - Power supply - Overall shape design The purpose of these 3D drawings is to assist with design validation and prepare for production. Ideally, freelancers bidding on this project will have experience with electrical design and drafting, with a keen eye for detail. Knowledge of prototyping and production processes would be beneficial. The 3d drawings will represent an electronic drawing board. If interested by this challenge, we will provide more information. Thank you, Chloe

I am looking for a skilled Verilog coder with experience in advanced digital circuit design and implementation. Tasks will involve designing and implementing complex circuits, specifically those involving CPUs or intricate state machines. Key Responsibilities: - Design and implement advanced digital circuits - Test and debug created designs - Maintain documentation of design process and circuit function Skills & Experience: - Expertise in Verilog coding - Experience with complex digital circuit design and implementation - Familiarity with CPUs and complex state machines - Proficiency in using Xilinx Vivado for running Verilog simulations Please ensure you have this experience before placing a bid on this project.

...Schematics: Detailed electrical schematics showcasing the design of the UPS system. This should include: Power circuitry Control logic Safety mechanisms Input and output interfaces Bill of Materials (BOM): A comprehensive list of all components required for the UPS system. This should include: Part numbers Descriptions Quantities Suppliers Board Files: Design files for the UPS system's printed circuit boards (PCBs). This should include: PCB layouts Component placements Routing details Gerber Files: Standard manufacturing files for PCB production. These should be compatible with industry-standard PCB manufacturing processes. Firmware: Custom firmware for the UPS system's microcontroller or digital control unit. This should include: Control algorithms Communication ...

I am seeking an experienced electrician to diagnose and rectify frequent tripping issues with two of my household's AFCI circuit breakers. This project requires: - Significant experience in residential electrical systems - Deep understanding of AFCI circuit breaker design and functionality - Capability to diagnose and amend underlying issues causing frequent tripping Although the problem might be straightforward for an expert, complete resolution is crucial, ensuring this inconvenience does not recur. Your expertise and professional attention to detail are essential for this task. Only looking for freelancers located in the Boston, Massachusetts, USA area.

I'm in need of a circuit with particular functionalities. The primary function is to detect the presence of an electric spark coming specifically from a lighter's ignition element when in close proximity. Key Requirements: - The circuit should be sensitive to the electric spark up to 30cm. - Upon detection, it should trigger a signal for about 100 to 400ms. This integration aspect is crucial as the electrical signal will be interfaced with other systems, not an audible or visual response. - system needs to be immune from other non-spark-like event as sound amplifier, small smoke generation AC pump in vincinity (but can be at more than 30 cm of the circuit) - circuit should run at 3.3v and generate a detection signal at 3.3v too. Signal will be push...

I'm seeking an adept freelancer to design a Proteus simulation for a room visitor counter. Project Details: - The counter must increase when someone enters the room and decrease when someone exits. - The simulation shoul...simulation should utilize an IR sensor as the core component. - The visitor count should be displayed on a seven-segment display. - The system should be capable to count up to a maximum of 100 visitors. Skills and Experience: - Proficiency in Proteus software - Strong understanding of electronics, particularly resistors, capacitors, and integrated circuits - Proficient in using IR sensor in circuit design - Experience in designing displays, especially seven-segment type. Your expertise in these areas will ensure an efficient and effective completion o...