12v acid battery schematics jobs
...Bitcoin Stratum V2 protocol, and an understanding of cryptocurrency mining processes. Ability to design an intuitive UI that includes input fields for the Bitcoin wallet address and thread count, a dynamic mining status dashboard, and potentially advanced settings for experienced users. Commitment to ensuring broad compatibility with Android OS 7.0 (Nougat) and later versions, optimizing for minimal battery consumption and thermal management to prevent device overheating. Implementation of state-of-the-art security practices for sensitive data protection, including encrypted storage for wallet addresses and secure API calls. Compliance with all legal and regulatory standards applicable to cryptocurrency mining applications, ensuring adherence to Google Play Store policies. Deliv...
I'm seeking a CAD designer to assist in the development of a prototype for a camping flashlight. The design will need to incorporate specific features and meet certain requirements: - It should be powered by a rechargeable battery. - It must be water-resistant. The perfect individual for this job will have significant experience in the development and design of practical, user-friendly outdoor gear, specifically flashlights or similar products. Fluency in different CAD software and an understanding of product design for camping equipment is a must. If you have the required skills and are excited about assisting in the creation of a new, efficient camping flashlight, I'd love to hear from you.
I need a Simulink model needs to be upgraded. The existing model contains a battery. I wanted the model to use AEFK algorithm to predict battery SOC. I expect the freelancer to add Adaptive kalman filtering technique (AEFK) to the model to estimate the Battery State-of-Health. Reference model: The battery model is attached below. NOTE: ONLY ELECTRICAL ENGINEERS ARE PREFERRED
I need a Simulink model needs to be upgraded. The existing model contains a battery. I wanted the model to use AEFK algorithm to predict battery SOC. I expect the freelancer to add Adaptive kalman filtering technique (AEFK) to the model to estimate the Battery State-of-Health. Reference model: The battery model is attached below. NOTE: ONLY ELECTRICAL ENGINEERS ARE PREFERRED
I'm looking for an experienced freelancer who can dup...Requirements I will provide both a schematic and a clear picture for the PCB to be replicated. It is very important that the duplicate PCB is exactly identical to the original, without any deviation. - Skills and Experience Ideal candidates should have proven experience in PCB design and prototyping, as well as manufacturing integration. They should demonstrate adeptness at reading and interpreting schematics, along with a high attention to detail to ensure accuracy of duplication. I encourage bidders to explain their duplication process in their proposal, as well as provide relevant examples of their previous work. This will help me in choosing the best fit for this project. I just need the manufacturing files, not ...
Recruitment of lead battery life extension device experience group Filming interview videos of users’ honest usage impressions. The five-member experience group was Individuals who own a modified vehicle, large vehicle, or electric wheelchair that uses at least two lead acid batteries and is over three years old Preference will be given to batteries that have not been treated with other battery life-extending products.
I am seeking a skilled freelancer in Thailand fascinated with lead battery technology and adept at capturing real, honest user impressions through video interviews. The project revolves around generating insights from users of a lead battery life extension device, collecting their testimonials for marketing usage and feedback for product refinement. Key tasks include: - Recruiting a local group with experience in using the device - Conducting less than 5 user interviews - Capturing these interviews via video - Providing crucial insights for user experience enhancement Aspirants should ideally have experience in user research, video production, and interviewing, as well as a technical understanding of lead battery technology. Proficiency in the Thai language is a req...
...expertise in modular UPS (Uninterruptible Power Supply) design. The project entails designing a complete modular UPS system with a 20kW bidirectional peak shaving-off power conversion system. Attached power specification and detailed job description below. Project Specifications: Power Capacity: 20kW Operation: Bidirectional Peak Shaving Conversion System: Modular UPS Deliverables: 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'...
I need a specialist in ST driver for stepper motors. My current product is powered by the ST-L6208PD, but I am experiencing excessive motor vibration, which I believe originates from the overall system integration. Specifically, the issue seems to pertain more to the Voltage mode control. Hence, I am seeking expertise to: - Review both schematics and firmware for any potential areas of improvement. - Provide actionable insights and suggestions to minimize the vibration while the product is in operation. - If necessary, tweak the control mode settings for optimal product performance. Ideal candidates would possess: - Deep understanding of the ST-L6208PD and its functionality. - Experience in addressing similar motor vibration issues. - Extensive track record with system integratio...
Hi Md Abu Sakib M., are you an expert in ST driver for stepper motor? I am using ST-L6208PD in my product but the noise and vibration is very high. I am looking for someone to review schematics and firmware and advise if anything can be improved to reduce the noise.
Looking for a logo design for a drink vendor called The Charging Station. I've attached a picture, I would like it similar to that picture, but instead of a battery, the outline of a person holding a drink OR a drink cup being charged up. So the person would be charging and have the charging lines as well as the lightning bolt.
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 proxi...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-pull. - only schematics is needed, but with some proof of validity. - circuit must not rely on light detection. It must detect EM perturbations with the most probable signature for the source. - av...
...video for personal use. Essential attributes include: - Night Vision: Must include functionality for recording high-quality video footage, even under low-light conditions. - Waterproof: These lenses will potentially encounter moisture and must continue functioning effectively regardless. - High Resolution: The recorded video must be of clear, high-resolution quality. - Battery Life: These lenses should have a standalone battery life of 24 hours. -Up loadable to cloud using wifi Ideal experience includes previous work on miniature camera technology, knowledge of optics, and strong illustration skills for conceptual drawings. This project demands creativity, technical expertise, and detail-oriented focus....
I am in need of a professional for a structural Finite Element Analysis (FEA). Specifically, this project involves a comprehensive structural analysis of a battery under certain loading conditions. Key Project Details: - The material to be studied is a battery. - The loading conditions required for this analysis are vibration, shock, and modal. Ideal Candidate: - Experience in FEA - Familiarity with modelling battery materials - Knowledge of vibration, shock, and modal loading conditions. Looking forward to working with a knowledgeable professional on this. Bid with confidence if you meet these criteria.
...designed on SOLIDWORKS CAD. will have full internal and external dimensions by the 12th of April and will need to be completed by the 15th of April. Key Deliverables: - Bluetooth Connectivity: The speaker requires an uncomplicated and successful connection to Bluetooth devices. Knowledge in Bluetooth technology is a must. - Moderate Battery Life: The speaker's designed to last between 6-12 hours on a single charge. Proficiency in power management and battery technology will be essential. Candidates with a strong background in electronics design, specifically audio devices with similar specifications, are highly preferred. Your portfolio demonstrating relevant work samples will greatly support your application. Let's create a portable speaker that combines fun...
Requirements - C, C++ (middle), Python (optional) programming languages. - Ability to read and understand electronic schematics. - Be ready to deal with hardware. - Be striving for self-education and self-organization. - Have good English verbal and written skills (B2/Upper-Intermediate). Qualifications: - Embedded Linux - Multithreading/multiprocessing - ESP32 MCU development - Web protocols (MQTT, WebSocket) - Low-level protocols (UART, I2C, USB) - Wireless protocols (BLE) - Cloud services (AWS) - Electronic schematics and PCB design - Hardware bring up and debug If you believe that your skills and expertise align with the requirements of this position, please send us your CV. Additionally, if you have a portfolio or examples of previous work, we would be interested in se...
...advanced features for modern convenience and eco-friendliness. Key Features: It will be 30 feet cargo container inside which there will be a heavy duty battery system on one end and modular units which can be transformed into either a coffee serving cafe, kitchen, general store or any kind of micro-service business. It will also house a photocopier, photobooth and a powerbank swapping station and a restroom on one sides for self-use. It will have two doors on both longer sides and two windows on one side close to the front door which is the accessible area. The outside will have E-bikes/E-Scooters charging stations on one of the battery sides, Solar panels on top, 4 7-feet sunbrella units in-front which has charging ports and where people can sit and work too. It will al...
Requirements - C, C++ (middle), Python (optional) programming languages. - Ability to read and understand electronic schematics. - Be ready to deal with hardware. - Be striving for self-education and self-organization. - Have good English verbal and written skills (B2/Upper-Intermediate). Qualifications - Embedded Linux - Multithreading/multiprocessing - ESP32 MCU development - Web protocols (MQTT, WebSocket) - Low-level protocols (UART, I2C, USB) - Wireless protocols (BLE) - Cloud services (AWS) - Electronic schematics and PCB design - Hardware bring up and debug If you believe that your skills and expertise align with the requirements of this position, please send us your CV for review. Additionally, if you have a portfolio or examples of previous work, we would be inter...
...professional to create high quality, detailed traditional style house plans. These plans will meet the specific requirements of city code and present an unfinished yet comprehensive vision of a new build house. Project Requirements: - Structural design and calculations - Electrical and Plumbing layouts - Site; Foundation, Floor, and Brace Wall plans - Exterior Elevations - Framing - Window and Door Schematics - Detailed room layouts Energy requirements Ideal Skills and Experience: - Architectural Drawing - Building Architecture - City Building Codes Insight - Understanding of Traditional Design Elements - Experienced in Interior Design and Space Planning In your proposal, please include examples of previous traditional style house plans that made it successfully throug...
I'm looking for an engineer based in Saudia Arabaia and have skilled in MATLAB/Simulink and familiar with the IEEE 14 bus system for a power flow simulation project. The primary objective of this task is to simulate the power flow of an IEEE 14 bus system integrated with battery and photovoltaic power production units. Here are specifics that need to be addressed: - Modeling the system in MATLAB/Simulink - Simulating power flow - Analysis of results
**Europe-based ONLY** We are in need of a knowledgeable and experienced Electrical Engineers with a specialisation in solar battery power systems (eg: AC/DC Inverter, LifePo4 storage). This project centres around the design, planning, and building of power generation/ storage systems inside trolley/ tool boxes. Skills and experience you should ideally possess: - Expertise in designing and developing portable energy systems - Understanding of the latest power generation equiment and optimisation - Experience on energy management, storage and power electronic technologies. Project deliverables include schematic designs, system layouts, and a comprehensive implementation plan for this renewable energy-based portable power station unit. If you have the necessary skills and exper...
I need a detailed and optimized design for a PCB motor. The key specifications are: - The motor configuration should fit within 250mm OD and 170mm ID circle dimensions. - The motor should be battery-powered, maintaining an ideal balance between energy consumption and power output. - The motor's primary application will be for electric vehicles. Thus, it should be durable, reliable, and efficient. - Ideally, the motor should run at a medium RPM range (1000-5000). Freelancers with experience in motor design, knowledge of PCB electronics, and proficiency with battery-power systems are strongly preferred. A familiarity with electric engine applications would also be highly advantageous. Let's create an efficient and powerful motor design that fits perfectly within the...
I'm looking for an experienced ESP32 programmer who is well-versed with the Arduino IDE, to develop certain functionalities. Here are the key requirements: Ability to read electrical schematics and identify pins for use in coding Management : - Motor -Camera - Wet sensor -Temperature sensor Program with IP address to send data to web REST API Management via IP address, integrated UI (html) in ESP32
...the process's efficiency and ease. - 3D rendering with human models for scale and measurements Your responsibilities will include: - Developing a storyboard based on the provided schematics. - Creating lifelike 3D models of the sauna components. - Animating the assembly and disassembly process with accuracy. I'm providing detailed sauna schematics to ensure precision in the animation. Therefore, I need someone with: Ideal Skills: - Proficiency in 3D animation software like Maya, Cinema 4D, or Blender. - Strong portfolio showcasing realistic modeling and animation. - Attention to detail for translating schematics to animations. - Experience in creating instructional or how-to videos is a plus. Please submit your bid with relevant work samples and an e...
...compatible with other everyday headwear, such as hats, helmets, etc. • Aesthetics – ensure the glasses are stylistically distinguishable and appealable to users across various industries and applications. • Regulatory compliance – ensure glasses adhere to relevant safety and regulatory standards for electronic devices and wearable technology. Deliverables: • Detailed design specifications and schematics, based on attached concept artwork. • Digital simulation • Electronics system design, including any need to reverse engineer other technologies. • Firmware writing • Iterative prototyping, demonstrating functionality and performance. • Documentation, including assembly instructions, user manual and technical specifications. &bul...
...freelancer who is skilful in SolidWorks to design a liquid cooling system for electric vehicle batteries. The project will include: - An overall design for the battery enclosure, coolant flow path and heat sink design. - A focus on the battery pack, battery cells and battery management system (BMS). - Ensuring the design meets size and weight constraints, thermal performance requirements and is compatible with existing battery system components. The best fit for this project would be a freelancer with experience in automotive engineering and thermal management systems, specifically for electric vehicles. Having robust knowledge in battery technology will also be an advantage. Accuracy, attention to detail and adherence to project requirements ...
This project revolves around the consolidation of various engineering schematics. The main idea for undertaking this task is to: - Move all of these schematics to a single location for easy reference and efficient management. - Improve the accessibility and portability of the engineering schematics. Here's what the project would entail: 1. Handling and management of digital 2D engineering schematic drawings. 2. Organizing these drawings systematically and logically. The ideal freelancer for this job would have: - A deep understanding and experience working with engineering schematics - Proficiency in handling digital 2D drawings - Expertise in organizing, ordering, and managing multiple drawing files effectively - Strong attention to detail in defining,...
...to optimize their health. Key Requirements: 1. **Battery Performance Evaluation:** Using given data on battery voltage, temperature, and charging/discharging current, provide a thorough assessment of the car battery's state of charge and health, and its cycle life. 2. **Problem Identification:** Detect any existent issues affecting the performance of the battery. 3. **Health Optimization:** Based on identified issues, offer strategies to enhance the battery's health. Evaluations and solutions should be supported by MATLAB simulations. Ideal candidate: The perfect match for this project is an energy storage systems expert who has prior experience with vehicle battery performance assessments, understands the theories behind battery stat...
I am on the verge of introducing an innovative fitness wearable into the market. To turn this vision into reality, I'm seeking a talented individual to aid in designing the schematics and PCB for my prototype. The device's primary function will be fitness tracking, particularly heart rate monitoring, step counting, and sleep tracking. These features are essential as the device targets general fitness enthusiasts, encouraging them to understand and improve their overall health. The ideal freelancer for this project is experienced in: - Wearable technology. - Schematics and PCB design. - Fitness-related features in wearables. A successful collaboration could lead to more opportunities in the future. Experience with fitness tech and a love for health and wellness are b...
Edit: There seems to be uncertainty how this device is used and what it must provide. Please search YouTube for video for quick talker by able net. This will help you...That is what the loudspeakers are for. The symbol represents what the computer voice will speak if the symbol is pressed. This is good for people who can not read either. There is a big version of this device and a small one. I am looking for people who can re-create such a device but make it more beautiful. It must also have a handle, slots for symbols / icon paper cards and a loudspeaker, a battery case. Ideally, you would create a new version if Blender or any other 3d software, but you can do it as you wish. You should not only change the color! I need to have a new design to avoid copyright infringements. ...
I have a wiring diagram for my lighting system. Hardware I am using: - 3.3v to 5v Logic Level Converter Module - NE555 DC Delay Relay (5v version) - DC to DC 12v to 5v Step Down Converter Module (5v, 3a output) - WT32-ETH01 (running WLED) - Wago Connectors - 12v Power Supply I need you to assess my wiring diagram, tell me why it's not working as intended and tell me how to rewire it. I will then follow your instructions. You're required to work with me until it is working as intended. My level of knowledge in this department is low. I can solder etc, but when it comes to understanding wiring diagrams found online, it's beyond my level of knowledge, so I need someone to not only know where I've gone wrong, but to visualise what I need to do in easy-to-u...
Broadly the App needs to be able to be configured with a pet tracker device and display the input collected by the device. What I need the app to be able to do is the following: 1. Live Tracking collecting the info from the device’s GPS. 2. Collect tracking data from the GPS. 3. Create Virtual fences that generate a notification if the GPS is outside the fence. 4. Display the amount of battery left on the device. 5. Display/Monitor: Steps, Heart Rate, Sleep (Gathered from the Device) 6. Allow to send and personalize notification based on the collected data. 7. Be able to connect the device on more than one phone. 8. Be able to connect multiple devices on one user. If you are interested send me a message and we can go over the details.
... Looking forward to your proposals. More details: Smart home. The smart home system has the following parts. Transmitter Several buttons are connected to the ports of an Arduino Pro Mini. When the respective button is pressed, and the gate goes low, a signal is sent to the receiver. The signal is sent with LoRa. (RFM95 433MHz) The transmitter is powered by 3 AAA batteries or an equivalent battery. The power circuit is replaced with a circuit that draws very little power. see this video Create a Gerber file for the PCB. Receiver The receiver is an ESP32 Node MCU with both WiFi and LoRa. for example Heltec WiFi LoRa 32(V3). The receiver has relays, dimmers for led lights, (possibly a camera) and a button to pair the device. Power from USB
I need a highly skilled engineer to help me bring to life a rechargeable battery pack. This pack will be used specifically to power a mechanical device. Skillset and experience needed: - Proficient in battery development and design - Solid understanding of mechanical devices and how they operate - Prior experience in designing and creating battery packs Project specifics: - The battery pack should meet certain capacity requirements. Exact specifications will be shared upon project award. - I also need the battery pack to adhere strictly to size and weight limitations. Details regarding these limits will also be communicated during the project's timeline. I am looking for an expert who can provide valuable insights and recommendations...
I require a skilled 3D modeller who can convert a JPG image into a 3D STL file suitable for 3D printing. This project will require: - The creation of a medium detail 3D model. It's not a small print, so the detail doesn't need to be too intricate b...can convert a JPG image into a 3D STL file suitable for 3D printing. This project will require: - The creation of a medium detail 3D model. It's not a small print, so the detail doesn't need to be too intricate but should be visible and clear in an average size print. - Knowledge of 3D printing process. Material knowledge is essential, as I am specifically looking to print using PLA (Polyactic Acid). This is not a simple image-to-stl conversion, a proper understanding of 3D modeling is essential. Experience w...
...rechargeable bttery. - PCB Size: The PCB should be small-sized, built with quality and precision, and space-efficient. - Motor Control: It needs to control a DC Motor using DRV8833 motor driver, ensuring optimal performance and minimal signal interference. - Voltage Range: The PCB should be designed to handle an input voltage of 5V, ensuring it's safe and efficient. - Battery: The design should incorporate a rechargeable battery without compromising the compact size. The ideal candidate should have proficient skills and experience in PCB design, electrical engineering, and ESP32 integration. Knowledge of motor drivers and familiarity with power-efficient circuit design will be beneficial. Expectations: A complete and high-quality circuit design, BOM, gerber fil...
I'm looking for a competent professional who can transform images of electrical design into high-quality electrical schematics, block diagrams, and electrical system overviews. This will involve multiple pages of work, which should be properly labeled. • Software: Proficiency in AutoCAD Electrical is a must, as this is my preferred software for the production of the diagrams. • Bill of Materials (BOM): A basic component listing level of detail on the BOM would be sufficient for my requirements. • Compliance: It's crucial to note that the designs should be detailed and not bound by a specific electrical standard. If you have a firm grasp on producing accurately detailed electrical drawings, then this job may be for you. Bring your experience and skills t...
I'm seeking an expert electronics engineer to design a circuit for an Arduino-based, battery-powered hand warmer device. This design must incorporate intelligent functionality for temperature and run-time control. Key requirements are: * The device should warm up to 42°C and maintain this for one minute. After that, it should shut down and take a break for an hour (this cycle to repeat continuously). * The unit must have a maximum temperature limit of 45°C. * There should be a 0.96 inch OLED screen displaying temperature and time status. * The design should include push button control to start the skin warming and once the push bottom pressed again the program should quit off the warming cycle . * Using Normally closed temperature switch 45 deg. as safety feature ...
I am looking for a skilled electrical or mechanical engineer to develop a 12v motor speed controller specifically for an industrial machine. This controller will primarily serve to regulate and adjust the motor speed as needed. The equipment is designed to function in an outdoor environment and hence, the controller's design should take into account factors such as weather conditions and robustness. Key Requirements: - Proficiency in electrical/mechanical engineering - Experience with 12v motor speed controllers - Knowledge of industrial machinery operation - Ability to design devices for harsh outdoor environments Considering the project's specifications, an engineer with a background in designing control systems for outdoor industrial equipment will be a perfe...
...the desired functionalities: 3-axis accelerometer for motion detection Bluetooth Low Energy (BLE) for wireless connection Battery type (consider rechargeable Lithium-ion battery for extended use) Button layout (left click, right click, scroll wheel, etc.) Housing material and size requirements Software Development: Outline the basic functionalities for cursor control on PC (Windows and Mac compatibility is a complex task, be prepared to discuss options with the freelancer). Mention any additional features you envision (e.g., programmable buttons, power management). Deliverables: Bill of Materials (BOM): A detailed list of all components needed for the air mouse. Schematics: Diagrams showing electrical connections between components. PCB Layout Files: Digital files f...
...competent Electrical Design Engineer with a strong background in power distribution systems and building service to take on a project involving a residential office building. Key tasks to be carried out include: - Develop comprehensive electrical designs and layouts for the building. - In-depth understanding and implementation of electrical codes and standards. - Preparation of documentation, schematics, report and planning. The ideal candidate for this project will have: - A solid grasp of control systems and lighting design. - Minimum 10 years of experience. Knows USA (NEC) standards. - Proven experience in electrical designs for similar properties. - Excellent problem-solving skills and attention to detail. Take the challenge and put your skills to the test in this...
...tracking, call and SMS monitoring, internet activity tracking, etc. Ensure the security and privacy of user data by implementing robust encryption methods and secure data storage practices. Conduct thorough testing to identify and fix bugs, performance issues, and compatibility problems across various Android devices and OS versions. Optimize the application for performance, responsiveness, and battery efficiency. Stay updated with the latest Android development trends, tools, and technologies to incorporate them into the project. Provide documentation and technical support as needed throughout the project lifecycle. Requirements: Proven experience as an Android developer with a portfolio of successful mobile applications. Proficiency in Java and/or Kotlin programming languages....
i need somebody to help me to extend the battery of my solar cctv, when the cctv have more than fifth percent battery, it can film from time to time.
I'm in need of a marketing-savvy freelancer to help me...ebikes. These premium, Harley-style bikes are a perfect choice for: - Commuters looking to save on gas and avoid traffic - Outdoor enthusiasts - Elderly individuals wanting to enjoy a leisurely ride - Males aged 16-55 While the primary purpose of these ebikes is commuting, they are versatile and equally well-suited for leisurely and recreational rides as well. Key Selling Points: - Exceptional battery life - Harley-style design I'm looking for someone with experience in online sales, and a strong ability to target and engage potential customers. Skill in advertising strategy, online marketing and knowledge or interest in biking will be a strong advantage. Bring your expertise to this project and help me get these...
Design a weatherproof sheet metal enclosure for a solar power system, to house the solar panel, and space for small electronics enclosure and lithium battery system. Design must be simple to manufacture and keep water away from the electronics and battery. The design should be visually appealing, concealing all wiring and electronics under the solar panel itself. The design must incorporate a sleeve to mount the enclosure onto a 90mm diameter steel pole and places to mount 2 antennas on top of the enclosure. Specific requirements: - The dimensions of the solar panel are 770mm x 670mm x 35mm. - Enclosure must have an access panel to remove the battery and electronics enclosure inside. - Electronics enclosure is approx 200mm x 100mm x 60mm - Must have anti-bird spike...
...marine surface. Experience with GPS technology is vital. - Anchor hold: Once the desired location is set on the GPS, it should hold the boat in that position. - Compatibility: Flexibility to integrate with any electrical trolling motor ensures this device caters to a wide range of sea faring vessels. Range: The product should have a decent tracking range, sufficient for typical boat outings. Battery life: - The electronics kit should run up to 5 hours, long enough for a good day of fishing or sailing. Expertise in power management for devices in a marine environment would be advantageous. The project's first phase is technology discovery, hence experience in electronics, GPS technology, and marine applications will be essential. Comprehensive knowledge about electrical ...
I'm i...runs on 3.8VDC, along with other peripherals that require 3.3V. The input power for the system lies in the range of 12-18 VDC. The power management circuit designed should: - Regulate Voltage: Ensure the voltage received by the EC200U module and peripherals is maintained precisely at their required levels. - Provide Battery Backup: Ensuring constant supply of power to the 4G module even when the main power source is unavailable. When main power is available, the battery should be charged and system is power from main power. Suitable candidates should have prior experience working with power electronics design, and specifically with industrial settings. Understanding the robustness needed in harsh industrial environments is key. Prior work with 4G modules wil...
I'm in need of an experienced electrical engineer who can design a small circuit board (less than 2 inches). The board must utilize the Bluetooth audio master module I've sourced and support some basic Bluetooth pairing functions. Key Features: - Audio playback (via bluetooth module feasycom BT955) - Power management with 3.3V or applicable rechargeable battery and USB-C charging functionality - Button to scan for local Bluetooth devices - LCD display showing a list of devices - Buttons that give the ability to select a device from the display/list for pairing and pair to it - Button to reset the module/pairing - The bluetooth module will be set to HFP mode and support in/out audio from bluetooth headphones back to a wired in/out connection on the board. The professional...
...designed for RC cars. Your task is to effectively communicate key elements such as: - My brand name and logo - Battery specifications and ratings - Safety warnings and instructions. 3 sizes: （1）1200mah 7.4V 30C sticker size:27*40mm （2）1400mah 22.2V 120C sticker size:30*55mm （3）5500mah 7.4V 50C sticker size:41*120mm Should say something like "veloci-cel by " The labels should be integrated into a custom-shaped package design, which can stand out in a crowded marketplace. Please factor in these details into your design and be sure to apply creativity and industry-specific knowledge. In addition to graphic design skills, familiarity with battery product packaging, especially in RC cars sector, is highly desirable for this project. Your design should not...
