Circuit converter rs232 modbus jobs
We are working on a project that requires interfacing a Raspberry Pi with a Panasonic Servo Driver. We need a professional to perform the following tasks: - Setting up Modbus communication between Raspberry Pi and Panasonic Servo Driver (Model Number: MDDLT55SF) to control Panasonic motor (Model Number: MHMF092L1U2M) - Setting up CC-Link IE TSN communication between Raspberry Pi and Mitsubishi Driver (Model:MR-J5W3-222G) to control the Linear Motor (SMJ LMU) + Hall Sensor connected to Linear Motor (US2881 Melexis) - Writing code for controlling the servo driver from the Raspberry Pi - Testing and debugging the system - Providing support for any issues that may arise during the project Previous experience with Raspberry Pi and Panasonic Servo Drivers is a must. Additionally, the ...
I'm looking for an experienced electrical engineer to design a power distribution board for commercial use. Requirements: - The board needs to support a voltage range of 30-100V. - It should have some DC-DC reduction circuits, preferable redundant- file will be provided. example- DC-DC Converter to 5V, stabilized, with 10-15 Amps max- cooling, casing, etc. Size should not go over 10x10cm. Ideal Skills: - Electrical Engineering - Power Distribution Design - Commercial Electrical Systems Experience we will expect you to deliver specifications, drawings and source to make it done.
I need an embedded software capable of communicating with external devices. The software should be able to: - Employ serial communication, specifically protocols like RS232 or RS485. - Primarily interface with Thin Film Transistor (TFT) devices. Ideal skills for this job include strong familiarity with embedded software development and extensive experience in serial communication and interfacing with TFT devices. You should be able to ensure seamless communication between the embedded software and these devices to ensure optimal performance.
I am seeking a skilled pro...professional to design and build a circuit that can sense current in DC mode, specifically for an electromagnet. This circuit will need to give a respective signal to stop or run the electromagnet, or another similar device like a hooter. Key Requirements: - The circuit should be able to sense currents of up to 150 amps. - The output signal should be of the NO NC type relay. Skills/Experience Required: - Proficiency in circuit design, particularly for current sensing applications. - Understanding of electromagnet operation would be highly beneficial. - Experience with relay-based output signal design. Please include any relevant experience you have in designing such circuits, and how you would approach ensuring the functionality ...
I have an existing HTML footer (from ) that needs a layout update to look like the indesign file attached, keeping the same URLS as the previous one (do not use an automatic converter we want user friendly names for the CSS) and that it looks good on all screen sizes (layout changes for mobile might be needed) The ideal freelancer for this job should be proficient in HTML and CSS. You should have a good eye for design and be able to translate design files into a functional and visually appealing layout. A good understanding of responsive web design principles is also important. Key tasks include: - Implementing a new layout in the footer - Ensuring the footer is responsive and compatible with different devices - Making any necessary adjustments to the design to fit
I'm seeking a professional to create an insulation drawing for my Medical device that is currently at the production stage. Key requirements: - Create an insulation drawing for a simple circuit with DC power source, in accordance with IEC 60601 standard - Device has 1 DC motor, 2 9V batteries, 1 Resistor, 1 Limit switch, 1 Push activation button and 1 LED. - Experience in designing insulation for medical devices is a must - Understanding of safety requirements and regulations for medical device insulation Please note that as my machine is at the production stage, the deliverable should be ready for immediate implementation into the manufacturing process. Skills and Experience: - Proficiency with insulation drawing for medical devices - Strong knowledge of IEC 60601 stand...
In simple words: - A website platform for users where you can create a group and you manage its users. Then you can send messages via the website, WhatsApp, Telegram or emails to the group members. These messages would be images or text from a certain agreed religious book (Quran or others) which are pre-scheduled - like a reading circuit. - The website would be in Arabic (mainly) and English. - Time frame is 4-6 weeks. - User attractive. - It would be an islamic website. - Potential for it to be a web app Whatsapp integration is a cornerstone in this project. Further details to be discussed.
I require an adept electrician to address persistent electrical issues in my living room. Specifically, I am experiencing an annoying issue of frequent circuit breaker trips. The services I require encompass electrical troubleshooting and possible rewiring of the affected areas. Ideal skills and experience: - Proficiency in identifying and fixing electrical faults - Extensive experience in electrical troubleshooting - Ability to safely and efficiently rewire electrical systems if necessary - Familiarity with circuit breakers and ways to prevent their frequent tripping Understanding of local electrical codes will be a plus. Please detail your experience in your proposal.
I'm looking for a skilled Arduino developer to help me create a fault detection system for AC supply. The system should be able to identify possible faults including short circuit, open circuit, phase loss and other related issues. Key components: - I've decided to use an ESP32 board instead of the conventional Arduino boards for this project. - The current sensor I'd like to implement includes ZMPT101B and ACS712. - The voltage sensor I'd prefer to use are the ZMPT101B and ACS712. Your tasks would include: - Writing the code required for the ESP32 board to interface with the current and voltage sensors. - Creating the fault detection algorithms in the code. Ideal skills and experience: - Proficiency with Arduino and ESP32 development. - Experience in ...
Are you a driven sales professional ready to take control of your income and achieve unparalleled success? Buzz Circuit Media is seeking highly motivated Sales Outreach Specialists to expand our client base for our social media management services. With our commission-only structure and powerful tools, you can unlock your earning potential and enjoy the benefits of recurring passive income. Compensation Structure: 10% commission on the monthly revenue generated by Tier 1 clients (client pays $199/month) 15% commission on the monthly revenue generated by Tier 2 clients (client pays $399/month) 20% commission on the monthly revenue generated by Tier 3 clients (client pays $599/month) Bonus Structure: $250 bonus when a client reaches 3 months $500 bonus at 6 months $1,000 bonus a...
I have a 120MB JSON file with nested objects, and I am in need of a skilled professional who can convert this data into a CSV format. Specifically, I require the following: - The nested JSON objects should be flattened into single columns in the CSV. - The column headers in the CSV should match the keys in the JSON file. The ideal candidate for this job should have: - Proficiency in handling JSON and CSV data structures. - Experience in working with nested JSON objects and flattening them. - Ability to accurately map JSON keys to CSV column headers. If you've successfully converted complex JSON files into CSVs before and you're confident in your ability to deliver clean, well-structured data, I'd love to hear from you.
I'm seeking an electrical engineer skilled in circuit design for consumer electronics. I want to design the schematic for a buck converter based on the Integrated circuit i chosed.
I am in need of an experienced Electrical Engineer with a specialty in Combinational Logic. The key tasks for this project will be: - Circuit design with emphasis on combinational logic - System integration capabilities - Comfortable undertaking troubleshooting Your primary role will be implementing Boolean expressions with advanced complexity. You should be experienced with large circuits including multiple components. Ideal Skills: - Circuit Design - System Integration - Troubleshooting - Proficient with advanced Boolean expressions - Experienced with large circuits This project will require a niche set of skills in dealing with combinational logic. If you believe you're a right fit, I encourage you to submit a bid.
I'm creating a project in Simulink that focuses on developing a modifed Fractional Open Circuit Voltage (FOCV) with PSO MPPT system for Solar PV systems. Key Points: - The project specifically requires expertise in Simulink for development of the MPPT system. - You need to be well-versed in the FOCV algorithm and particle swarm optimisation . - Your experience in working with Solar PV systems will be highly beneficial.
I'm looking for an experienced professional in Power Factory and Electronics. The project will involve a mix of tasks such as circuit design, power system analysis, PCB layout design, as well as potentially designing a circuit, simulating power systems, and developing control systems. Ideal Skills and Expertise: - Proficiency in Power Factory and Electronics - Prior experience in circuit design, power system analysis, and PCB layout design - Capability to undertake tasks related to designing circuits, simulating power systems, and developing control systems. - Strong problem-solving ability The task involves working on a project where knowledge and expertise in Power Factory and Electronics is crucial. The right candidate should be able to provide support in a ...
I am working on a project that requires interfacing a Raspberry Pi with a Panasonic Servo Driver. I need a professional to perform the following tasks: - Setting up Modbus communication between Raspberry Pi and Panasonic Servo Driver (Model Number: MDDLT55SF) - Setting up CC-Link IE TSN communication between Raspberry Pi and Mitsubishi Driver (Model:MR-J5W3-222G) - Writing code for controlling the servo driver from the Raspberry Pi - Testing and debugging the system - Providing support for any issues that may arise during the project Previous experience with Raspberry Pi and Panasonic Servo Drivers is a must. Additionally, the ideal candidate will have a strong understanding of programming in Python, as well as a background in robotics or industrial automation. GUI in Raspberry...
I'm seeking a skilled PCB circuit designer to create a digital circuit f. The primary function of the circuit is PWM Motor Speed Control Key requirements: Input supply voltage: DC 2.5V-25V The maximum output power: 350W The maximum continuous output current :15A The overload and short circuit protecting current is 25A PWM frequency: 25-30kHz Duty Cycle adjustable: 0-100% The operation environment temperature:-20℃-40℃ Ideal freelancer would have: - Proven experience in digital PCB circuit design - Strong knowledge of signal amplification principles - Familiarity with radio technology and its requirements - Ability to optimize circuits for low gain
...display using 4 LEDs to indicate whether it is operating in motor or generator mode. All datasheets and circuit diagrams will be provided. Key Responsibilities: Control and Regulation: Implement SVPWM on both grid and machine sides. Grid-side control: Adjustable power factor (cos(φ)), current, and power. Machine-side control: Adjustable field (Φ), torque, and speed. Overload Protection: Develop a feature to switch the device to idle mode during overload conditions. Measurement and Output: Provide optional output of all internal measurements, especially torque, speed, and power. User Interface: Implement a 4x20 LCD text display for function calls. Enable function calls through the RS232 interface using JSON format. Protect the interface with CRC for error-che...
More details: What is the purpose of the electronic circuit you need designed and constructed? Product test per an engineering specification. What specific engineering specification do you need the product to be tested against? Response to small driver signal, 415mA base with +/-5mA, +/-10mA, +/-15mA, +/-30mA sinusoidal oscillations at 1Hz, 10 cycles per amplitude. How soon do you need your project completed? ASAP
...programming, the QT framework, and user interface design. Key Skills & Experience: - Strong proficiency in C++ - Extensive experience with the QT framework - Excellent User Interface (UI) design skills - Knowledge in Python and 3D will be a plus The main function: 1: Windows platform, jointly developed by QT+python. 2: Communicate with hardware devices through serial port/Ethernet. 3: Support MODBUS-485, TCP, UDP and other communication protocols, with 1ms cycle response. 4: Support hardware parameter configuration, multi-channel data analysis, storage, data playback, and support real-time data curves at different communication rates. 5: Supports local and cloud dual storage. 6: Port a Python data analysis open source library (provided by us), which needs to display the a...
Hi, this is the first milestone for the new project. It's just a review of the topic. 1. Initial project review £20. I know you’ll need to spend some time researching the ethernet interfaces. I think it’s best that we aim to produce a Modbus TCP interface. I’m paying you to spend some time looking into that. The idea is to find any problems with the approach I’m suggesting before we start.
Re-Design and Add to our Product Labels (See Attached Examples). Use Different Golf Cart Pictures And/Or Colors To Differentiate Between The Different Models. Each Label Will measure 5 Inch (1...Kilometer Range 48 Volt 56 Amp Hour (2.90 Kilowatt) Capacity 45 - 50 Kilometer Range 48 Volt 112 Amp Hour (5.8 Kilowatt) Capacity 95-100 Kilometer Range 48 Volt 150 Amp Hour (7.77 Kilowatt) Capacity 130 + Kilometer Range 72 Volt 56 Amp Hour (4.14 Kilowatt) Capacity 35-40 Kilometer Range Plus A Matching Top Label For Each: Each With Model & Capacity Plus The Safety Warnings: DO Not: Short Circuit Crush Disassemble Incinerate Heat Above 60 Celsius Submerge In Water Warning: Risk Of Fire Or Explosion - Avoid Mechanical Shock Winter Storage: Charge To 80%, Bring Inside, Store Abo...
I am in need of an experienced hardware engineer, fully versed in circuit design and PCB layout. My aim is to develop a novel product. To meet the project objectives, the following experience and skills are critical: - Proficiency in circuit design - Expertise in PCB layout - Experience in working with Microcontrollers Understanding the intricacies of Microcontrollers is key as they are the central component for the new design. Efficiency, attention to detail and creativity in your approach will significantly contribute to the success of this innovative product design.
We are seeking an experienced skilled Raspberry Pi developer for an exciting machine workflow using Raspberry Pi and servo motors. The project involves developing software for control, and integrating the Modbus TCP/IP protocol. The successful candidate will demonstrate expertise in Python programming, servo control, and Modbus communication. Phase 1: Set up the Raspberry Pi 4b to control servo motors and configuring communication with the Panasonic Minas Driver and Panasonic Servo Motor. Install Modbus server software and develop custom Python scripts for Modbus communication and servo motor control. Phase 2: Control Iron Core Linear motors and configuring communication with the Mitsubishi Driver . This can turn into a long term project for the right cand...
Develop or sketches to run dual processors in circuit as described in schematic , The light, called Eos 24, has three use cases or modes: 1. SW1 is closed: The neopixel runs constantly until SW1 moved to open. 2. SW1 is open: The neopixel runs when the PIR is triggered until interval4 is elapsed. When SW1 is open and interval4 is elapsed Eos 24 is in standby mode and the Neopixel is dark. 3. SW1 is open and interval4 is elapsed. This is standby mode and the Neopixel is dark until the PIR is triggered again.
I need help migrating my Joomla-based website, which currently features a Currency Converter, to a new hosting server. Key Requirements: - Migrate the entire website (including the Currency Converter feature) from the existing server to a new one. - Ensure that the Currency Converter functionality remains intact and fully operational post-migration. Ideal Skills and Experience: - Proficiency in Joomla, PHP, and MySQL. - Prior experience with migrating websites, particularly those with dynamic features like Currency Converters, would be beneficial. - Strong attention to detail to ensure all components of the website are correctly transferred and operational.
I'm in need of an electronic circuit and PCB designer proficient in working with ESP32 based microcontrollers, particularly for IoT applications. The project involves creating an efficient, compact, and robust PCB design that supports Wi-Fi connectivity. Key Requirements: - Proficiency in ESP32 based microcontroller design - Prior experience with IoT applications - Familiarity with designing for low power consumption - Expertise in creating compact PCB layouts - Ability to design a PCB for a rugged environment Your expertise in these areas is crucial, as the final product should be both functional and durable. If you're confident in your ability to deliver a high-quality electronic circuit and PCB design for an ESP32 based microcontroller, I'd love to hear ...
I'm in need of an experienced Analog Circuit Designer to assist with the conceptual design and simulation of a prototype. - The purpose of this project is to develop a prototype, not for research or educational purposes. - I'm currently in the initial stage of prototype development, so we're focusing on conceptual design. - The major components of the analog circuit I need assistance with are transistors and timers. - I have a preliminary reference circuit whose functionality to be replicated with equivalent circuit. Ideal candidates should: - Have prior experience in analog circuit design for prototype development. - Be proficient in using simulation tools. - Have a solid understanding of transistors and timers. - Possess strong problem-...
I am looking for an expert to build a text-to-speech converter specifically for the Hindi language. This project doesn't require different voice options for males and females. What the project entails: - Hindi language support only (written and spoken) - Text-to-speech functionality with a female voice (“Girl Voice”) Ideal skills for this job: - Experience in voice recognition technology - Fluency in Hindi language - Previous work with text-to-speech converters.
... This requires high-level knowledge of electronics, particularly on how to integrate circuits and make them work seamlessly. Ideal Skills and Experiences: - Expertise in Electronics Engineering: A deep knowledge of electronics is essential for this role. You should have experience working on similar projects and be able to demonstrate a strong understanding of electronic design principles. - Circuit Design Skills: Experience in designing complex circuits is a plus. You should be able to handle the intricacies that come with designing the electronic components of this project. - Prototype Development: While the project is in the design phase, experience with prototype development would be beneficial. This will help us to ensure that the designs are feasible and functioning correc...
I'm in need of an expert in digital electronics to assist in a project of mine. The specifics of the project, including whether it involves circuit design, PCB layout, or microcontroller programming, we can discuss in further detail. Key requirements: - Proficient with digital electronics and related technologies - Experience with either circuit design, PCB layout, or microcontroller programming - Ability to collaborate effectively and share project files as needed Your role will be instrumental in the success of this project, and I am looking for someone with a proven track record in this field. Let's connect and discuss the project further.
I'm in need of a skilled electronic circuit and hardware engineer to help me with the design and selection of components for a project. The project involves the creation of a power supply, an analog digital converter, and a relay. Key Responsibilities: - Circuit design: I need help with creating the circuit for the mentioned components. This includes ensuring the circuit is efficient and functions as intended. - Component selection: I'll require assistance in selecting the right components for the circuit. It's crucial to choose components that are of high quality and fit the project's requirements. The ideal candidate for this job should have a solid background in electronic engineering, particularly in circuit design...
I have a digital circuit design in PDF format that I need converted into a Proteus Professional circuit diagram. This project only involves the conversion of the existing design into a circuit diagram within Proteus; no simulation or testing is required. Key Requirements: - Convert an existing digital circuit design in PDF format into a Proteus Professional circuit diagram. - Ensure that the circuit diagram accurately represents the original design. Ideal Freelancer: - Experienced with Proteus Professional software. - Proficient in digital circuit design. - Capable of accurately translating circuit design from PDF format to Proteus.
...am seeking an experienced LT Spice expert to assist with the design and simulation of a half-bridge circuit to drive an ultrasonic cleaner load, 60W, 39kHz, and 10R impedance. I have an LT spice model that needs to be updated to meet the requirement. The floating side needs to show a square wave and the output to the load needs to be a sinewave. The main requirement is to update the values of the discrete component and use a much better MOSFET to meet the required output of 600V AC, 0.5A, 39kHz Responsibilities: - Improve the LT Spice model for the half-bridge circuit (no rectifier needed), Output is AC and not DC - Conduct detailed simulations to analyze performance - Optimize circuit design based on simulation results The MOSFET part number is SIHP24N80AE-G...
I have a list of 54 URLs, and I need someone to grab 2 images from each of them, convert them to .jpg and save them to a folder named 'Images'. Key Requirements: - Grab 2 images from each of the 54 provided URLs (all similar to below URL). 108 images in total. - Example URL is - Grab the biggest version of the image from lines 6613 and 6667 of page source code - Convert all grabbed images to .jpg from .webp - Save them to a folder named 'LC Images' - The images should be saved in the original size, with no resizing necessary. - See attached screenshot
I have a couple of circuit diagrams that I need to have redrawn in Word format.
I need a command-line program that can convert .mpz files to .xlsx files. The program should be written in Python. If anyone can do it, please send me the message. Key Requirements: - Input: The program should take a .mpz file (protected password) as input. - Output: The extracted files should be converted to .xlsx format. - Handling: The program should be able to handle files up to 200mb in size. Skills/Experience Required: - Proficient in Python programming - Experience with file handling and conversion Note: A graphical user interface is not required, the program should be command-line only.
I'm in need of a skilled circuit board designer that can create the and design the Greber file for me, I need to send the files to the manufacturing compony. My project contains few components only. SAM D11C 14-pin chip, 3 LEDS, Battery holder, and a reset switch. The "j2" pads are for programming the chip, Gnd, power, and clock. The 2 antennas traces are connected to analog pins A2 and A4. LEDs are connected to digital pins 24,25,31. the reset button to RST pin of course. For the 4 programming pads. Gnd and Power goes to Gnd and VDD pins in the chip, For the clock, I'm not shire which pins. layout size : 10 cm by 5.398 cm
I'm looking for an experienced PCB designer who's proficient with Altium Designer. The project specifically involves a multilayer PCB design. A strong attention to detail and a good understanding of circuit board layout is crucial for this project. Key Requirements: - Proficiency in Altium Designer - Experience with multilayer PCB design with large PCB Boards - Ability to understand and implement complex circuit board layouts - Attention to detail Please provide examples of your previous PCB design work using Altium. A portfolio demonstrating your experience in multilayer PCB design will be highly regarded. This is an LED board which needs layout editing with adding few more components. Please Show your previous work with dense Layout with Noise and Heat Managemen...
I'm in need of a PCB layout for a small electronic product. Here are the specifics: - The purpose of the layout is for electronic product manufacturing, not for circuit prototyping or repair. - The PCB must be designed to fit within a small size constraint, specifically less than 10x10 cm. - The PCB should be a double-layered design. Ideal skills and experience for this job include: - Proficiency in PCB layout design, particularly for small, double-layered boards - Prior experience in designing for electronic product manufacturing - Attention to detail and ability to work within specific size constraints.
I'm in need of a Verilog expert proficient with Quartus Prime Toolchain. Key Requirements: - Professional with Verilog: Need someone experienced in designing digital circuits and implementing specific functionalities using Verilog. - Proficiency with Quartus Prime: Familiarity with the Quartus Prime Toolchain is a must. I need to design, simulate, implement and test a digital circuit using the Quartus Prime toolchain as per the specifications I will provide and demonstrate the workflow when using the Verilog HDL to construct a design for a physical Field Programmable Gate Array (FPGA) target. Please apply if you have the required expertise. No teams or companies please.
...code from scratch - Prior experience in data analysis using Python - Proficiency in Python libraries such as Pandas, NumPy, and Matplotlib If you have a solid background in data analysis and Python, and are able to create efficient, clean, and well-documented code, I'd like to hear from you. Here are details- I have to create a simulation that will find the optimal solution to go around a circuit using the least amount of power in a given time, by calculating the forces acting on the vehicle at any point. The forces have been identified to be: Drag, Rolling resistance, Incline, Wind & Motor thrust. Rolling resistance, wind (set to 0 in data should be okay to plug values in later) and incline forces have been resolved in an excel file for every data point (every metre...
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I'm looking for a skilled electrical engineer who can help me with the design of a high-torque electric motor for a cart. Key tasks involved in the project will include: 1. Electrical System Analysis: Understanding the system needs and constraints to design an effective electric motor. 2. Circuit Design: Developing a circuit that will be optimal for the high-torque motor. 3. Troubleshooting and Repair: Providing solutions to potential problems experienced during testing and implementation of the design. The electric motor design needs to account for the following specifications: - Power Rating - Speed - High Torque Engineers with experience in design and development of high-torque electric motors will be preferred. A strong understanding of both theoretical knowledg...
I'm seeking an experienced developer to create an online script that can automate the conversion of CSV files. Script must be browser based and linux based. No preference on programming language. Source file will need to be uploaded to CSV converter, and script will sort data and rename columns based of pre-existing requirements. Once conversion is finished, download link generated to download updated CSV.
...or removing MOSFETs or any other relevant hardware as required - The BMS should include essential safety features such as: * Temperature monitoring * Short circuit protection * Cell balancing * Reverse polarity protection - The system should allow for charging and discharging through the same port I need this project to be completed within a month. Ideal skills and experience for this job include: - In-depth knowledge and experience in BMS design, particularly with LiFePO4 batteries - Proficiency in creating flexible BMS systems with variable ampere capacity - Extensive experience with temperature monitoring, short circuit protection, cell balancing, and reverse polarity protection - Ability to deliver the project within the stipulated timeframe - Strong probl...
I am seeking a skilled and experienced Switch Mode Power Supply (SMPS) design engineer. For my particular project, we will focus on AC-DC converters and should, therefore, possess specific expertise in switching regulation topology. Here's what I need: - Mastery in designing AC-DC converters utilizing switching regulation - Ability to design a converter with power output less than 100 Watts - Experience with power electronics and circuit design Your background should demonstrate relevant projects you've completed that are particularly linked to the aspects mentioned. Your strategic and innovative thinking will be highly valuable to create efficient and powerful designs.
In this project, I am seeking a highl...am seeking a highly knowledgeable and experienced KiCad user who specializes in double layer PCBs. - Purpose: The primary function for this custom PCB is data transmission. This project will require a comprehensive understanding of different data transmission protocols and experience in related circuit design. Skills and Experience Required: - Proficiency in KiCad CAD software - Experience in designing double layer PCBs - Knowledge about different data transmission protocols and related circuit designs Please note, only bids from freelancers showing relevant previous works and portfolios will be seriously considered. I look forward to reviewing your proposals and potentially collaboratively creating an efficient and effective data ...
Requirement: Project completed in KICAD ONLY. I need help routing an allwinnder D1 SoC to DDR3 RAM and rout the PMICs. You should be proficient in length matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electr...
