How to build a parallel circuitcông việc

Thiết kế mạch nguyên lý và vẽ mạch bằng altium

nói tiếng Việt cho lẹ. Em là sinh viên năm 3 tự động hóa, em từng học rất giỏi (top 1% cả nước) nhưng vì em thấy học đại học không hứng thú và cũng không có định hướng tốt. Em cần người đi trước định hướng giúp em. Anh chỉ cần cho em lời khuyên và dành thời gian chỉ dạy em 2 giờ mỗi tuần. Em trả anh 10$ mỗi giờ (tiền em tự kiếm không có nhiều mong anh chấp nhận)

nói tiếng Việt cho lẹ. Em là sinh viên năm 3 tự động hóa, em từng học rất giỏi (top 1% cả nước) nhưng vì em thấy học đại học không hứng thú và cũng không có định hướng tốt. Em cần người đi trước định hướng giúp em. Anh chỉ cần cho em lời khuyên và dành thời gian chỉ dạy em 2 giờ mỗi tuần. Em trả anh 10$ mỗi giờ (tiền em tự kiếm không có nhiều mong anh chấp nhận)

I'm seeking an expert knowledgeable in both Physics (with a specific interest in Quantum Physics) and Electronics. This is the key expertise required to aid me in understanding some complex physics concepts. Key responsibilities: - Explaining and simplifying complex quantum physics concepts - Providing expert knowledge on electronics and circuit design Ideal freelancer: - Must possess a deep understanding of advanced Physics, preferably Quantum Physics - Demonstrated experience in Electronics, particularly Circuit Design - Exceptional communication and teaching skills to simplify complex concepts This exciting project can help nurture your teaching abilities while honing your expertise in Quantum Physics and Electronics.

Project Description: We are seeking a highly skilled High-Performance Computing (HPC) Engineer with expertise in shell scripting and workflow automation to assist in the evaluation and enhancement of the Parallel Works platform. The successful candidate will need to execute various tasks involving cloud cluster management, running pre-installed workflows, and handling both basic and advanced system integrations. Experience with MPI (Message Passing Interface), Singularity containers, and batch scripting is crucial.

I would like to design standard operating procedure (rules of lead engagement) based on large medium and enterprise segments- 1) how should sales consume the leads once a lead is assigned to the sales reps. 2) Define the stage movement timeline from one stage to another in salesforce based on which stage the lead is in. 3) How long to wait to send a follow up email /call after the two way connection has been established. 4) Reason to close or recycle the lead 5) Activities logged in salesforce. etc.

...Engineer, well-versed in using Altium Designer, for a series of projects that demand proficiency in a wide array of electronics, specifically focusing on Microcontroller integration, PCB layout and USB connectivity. Key Aspects: - PCB Layout design - Microcontroller implementation - USB Connectivity solutions Additional Requirements: - Expertise in Circuit design - Experience in selecting suitable electronic components - Signal analysis knowledge - Ability to conduct thorough testing procedures This project demands an adept understanding of electronic systems and circuitry meant for consumer electronics. Candidates with a solid track record in crafting and refining consumer electronic designs are strongly preferred. Your task will be to co...

Project Description: We are seeking a highly skilled High-Performance Computing (HPC) Engineer with expertise in shell scripting and workflow automation to assist in the evaluation and enhancement of the Parallel Works platform. The successful candidate will need to execute various tasks involving cloud cluster management, running pre-installed workflows, and handling both basic and advanced system integrations. Experience with MPI (Message Passing Interface), Singularity containers, and batch scripting is crucial.

I need an expert in Printed Circuit Board (PCB) design to assist me in manufacturing an electronic product that falls under the category of consumer electronics. Key Requirements: • Comprehensive knowledge in PCB design • Expertise in electronic product manufacturing • Experience in Consumer Electronics sector In particular, I am interested in those with a versatile portfolio, showcasing their ability to work with various complexity levels of PCB design. Although the specific complexity level of this project is not yet final, I am looking forward to discussing it during our project discussions. This project is an excellent opportunity for those who are passionate and experienced in the consumer electronics field. Let's bring ...

I am seeking expertise for my VLSI Magic project that requires: - High-complexity circuit design, calling for an in-depth understanding of intricate electronic circuit schematics. - Proficiency in logic synthesis, particularly in multi-level logic synthesis which is vital for my project. Part 1: Verify the design using a logic design tool. Part 2: Implement your design using Magic VLSI layout tool to generate your project layout Part 3: Test your design using irsim to simulate your project. Project submission should be two items: a- A report PDF file. (PDF) b- A compressed file containing all your codes, simulations, and results. (.zip, .rar)

I need a proficient researcher and writer to handle a job of writing my PhD Confirmation of Enrolment document. The document has already been written but need to make it up to 6000 words or more. The field of study of my PhD is Translation. The research investigates the translation of specific transcriptions translated from Arabic into English and will be doing a parallel corpus study to do that. Key task: - Finish writing my PhD Enrollment Confirmation document while maintaining the academic integrity and tone of the document. - adjusting the title of thesis Ideal skills: - Experience in academic writing and research is highly preferred. - Fluent in English and Arabic. - Knowledge in academic regulations and terms would be an advan...

...seeking a skilled developer who can write a detailed report on a parallel computing project based on C++. Key Requirements: - Proficiency in C++ is a must. - In-depth knowledge of parallel computing principles. - Prior experience working with parallel computing architectures, particularly shared memory, is desired. The project entails writing a comprehensive report that provides an overview of the parallel computing project, including its purpose, the technologies employed, the methods used, and the results achieved. Information regarding the parallel computing architecture is essential for the project's completion. 1) In depth knowledge of parallel computing 2) You will have to produce a...

I'm in need of a freelancer who can provide me with an accurate and simple industrial machine wiring diagram. It's crucial that you have an in-depth understanding of electrical circuits and wiring systems for industrial machines. Responsibilities: - Prepare a wiring diagram for a simple machine circuit. - Make sure the diagram is easy to understand without oversimplifying the essential elements. Required Skills and Experience: - A strong background in electrical engineering. - Extensive experience creating wiring diagrams, preferably for industrial machines. - Solid understanding of machine simplistic circuits. - Attention to detail, accuracy and consistency in diagram creation. - Excellent communication skills to clarif...

I'm looking for a skilled professional in Proteus and KiCad to assist with an electronic simulation and PCB design project. - I require assistance primarily with circuit design, schematic capture, and component selection and placement. - I already have specific electronic components in mind for this project, so I would need your expertise in helping me integrate these into the design. - The primary purpose of the electronic device I'm designing is for control and automation. Ideal Skills and Experience: - Proficiency in Proteus for electronic simulation - Proficiency in KiCad for PCB design - Experience with circuit design, schematic capture, and component selection and placement - Previous projects focusing on control and automation systems would ...

We are working on a power converter board and looking for an expert in MCU stm32. We are using the stm32G474ret6 and having several issues that we are not being able to explain . The main issues are : startup state of MCU systick clock for hal_delay non functional Debugger resetting MCU in middle of operation code not stored in memory after powercycle . We are looking for somebody that is very used with stm32 MCU and know about electronic schematics and circuit for mcu integration on PCB .

I'm in need of a skilled graphic designer who can help me with character animation in a 3D setting. We're looking to create an engaging animation incorporating a character. The level of detail we're aiming for is medium, including textures. Key Responsibilities: - Create a character animation in 3D - Incorporate medium-level details with textures into the design Ideal Skills: - Proficient in 3D character animation - Skilled in applying medium-level detail with textures - Experience with graphic design, specifically in character animation - Ability to bring creative ideas to the animation process

...electrical engineer with a strong background in designing and building high resistance measuring circuit solutions. You'll specifically be working to design an electrical module that focuses on two main functions: 1. Measuring Circuit Resistance - The module should be able to accurately measure high levels of resistance, specifically, greater than 100 ohms. 2. Fault Identification and Display - The module should be able to not only detect a fault in the circuit but also display this fault for an operator to see and diagnose. Ideal candidates should have: - Strong knowledge and background in electrical engineering, specifically circuits. - Experience with designing for high resistance applications. - Understandi...

...interactive chatbot responses. We cater to software providers and also a diverse range of B2B industries, including construction, medical practices, legal firms, real estate, insurance, HR departments, and more. Objective: We require a logo that reflects our focus on cutting-edge AI technology and our professional approach to data analysis. The logo should convey innovation, reliability, and expertise, appealing to our target market of software/SaaS providers and B2B segments listed above. Brand Identity: • Professional: Aitify Solutions is a data-driven company offering cutting-edge AI technology. The logo should convey professionalism, trust, and expertise. • Innovative: The company is at the forefront of AI solutions. The logo s...

I need a hardware engineer adept at handling Power Supplies, particularly, Switched Mode Power Supply (SMPS). The core task will be: * Designing an SMPS circuit Ideal candidates should have: * Extensive experience with SMPS circuit design * Profound understanding of Power Supplies in general * Strong problem-solving abilities for any potential complications during design phase * Ability to work efficiently and meet project timelines If you're equipped with these skills, I encourage you to place your bid. Your expertise will be vital to the success of my project.

I need an electrical engineer to perform circuit design and troubleshooting tasks using a hardware simulator, specifically for .HDL files. Your primary task will be to install an electrical system with the help of the simulator. Key Responsibilities: - Circuit design using the simulator - Circuit troubleshooting - Electrical system installation I require you to be proficient in using a hardware simulator, especially with .HDL files. You should also have a solid understanding of circuit design and troubleshooting. Time is of the essence, so the quicker you can complete the project, the better.

I'm seeking a skilled electronics engineer for the development of a basic single-layer PCB prototype. Here are the essentials: - This circuit creates a pulse amplitude modulated signal which is amplified at high power. The signal is genrated within the circuit so no user input is required. - This project has been worked on before and an added varible resistor and mosfet will be needed as well as the most important part which is power management which can be done with component selection or circuit alterations. - The purpose is a prototype development, which means you'll be instrumental in bringing my concept to life and preparing it for eventual manufacturing. - The PCB design will incorporate analog components, so exp...

We ar...are seeking an experienced PCB designer to develop a custom printed circuit board for a Raspberry Pi 4 Model B application. The project requires integrating specific components and ensuring the design can be enclosed within a standard industrial box. The successful applicant must have experience with power management and GPIO pin utilization. Key Requirements: - Experience with Raspberry Pi designs and GPIO pin functions. - Ability to integrate electronic components such as 5V relays into the PCB with high precision. - Familiarity with standard industrial connectors and terminals. This project aims to create a highly functional and reliable hardware system. Only applicants with a strong track record in custom PCB des...

I'm seeking a skilled graphic designer to create a modern and clean design for a standard size envelope. It will be primarily used for business correspondence, hence, should convey a professional image. The design should be cogent, elegant yet minimalist. Key considerations: - Design should be unique, communicating business professionalism. - A keen eye for aesthetics and details will be appreciated. - Previous experience or portfolio in envelope, stationery or corporate-designs will be a plus. Please ensure your proposal includes links to some of your past relevant work. I'm hoping for a swift turnaround time without compromising on quality. Design Preferences: Colors: We prefer shades of blue (but feel free to...

I'm looking for an experienced electrical engineer to help with the redesign of my current circuit, which is in CircuitLab format. Your role will involve: - Adding or removing components as necessary - Reorganizing the layout to enhance clarity and organization - Possibly correcting errors you may encounter along the way Ideal skills would include proficiency in CircuitLab, a keen eye for detail, and in-depth knowledge of electrical circuit design and optimization. You should also be able to work independently and make recommendations for improvement where you see fit. Previous experience in similar projects would be beneficial.

I'm seeking a professional with expert knowledge in precision analog design. Goal of the project is a small prototype board to measure K type thermocouple elements - with two different approaches. Additionaly obvisouly a MCU will take place - as well as RS485 communication. Absolut main aspect is an accurate (in sense of stability, low noise and absolute value representation) K thermocouple element measurement. Two approaches are forseen - using the high precision MAX31856 as well as the AD8495 in conjunction with a 20-bit SAR and 24-bit SigDelt ADC. Apart from the ADC proposition the project comprisis of a full circuit and PCB creation. Additionaly also the needed firmware for the respective communication (over SPI) shall be properl...

I'm currently in need of a proficient engineer who can handle an intermediate level task on Cadence Virtuoso. This complex project requires a mixture of analog and digital circuit designs. Here's what you'll need to bring to the table: - Proven experience with Cadence Virtuoso - Capability to work on intermediate level complexity designs - Understanding of both analog and digital circuit designs, as the project involves mixed-signal circuit designing You don't need to have Cadence Virtuoso on your PC, as you can access my system remotely via AnyDesk to complete the task. Looking forward to working with someone who can meet these requirements for a successful project completion.

...for a seasoned electronics engineer to develop a circuit board with a microcontroller with ethernet connectivity, POE power and addressable LEDs, with the design done using EasyEDA software to be fully manufactured by JLCPCB (or equivalent). The core functionality of this project focuses on power management. Your skills and expertise should include: - Comprehensive understanding of EasyEDA software (can take other suggestions) - Proven experience in multi-layer circuit board design - Extensive knowledge in PCB design for power management This project requires intricate knowledge of these areas, so please only bid if you're confident in your ability to deliver. Looking forward to working with experienced and dedica...

I am looking for a specialized electronics engineer with a proven track record in printed circuit board (PCB) design, specifically tailored to handle sensor signals. In particular, the PCB should receive WiFi-based signals from sensors monitoring temperature, pressure, and vibrations. The scope of the project is as follows: 1. **Sensor-PCB Communication:** The maximum distance between the sensors and the PCB would be less than 10 meters. A strong understanding of short-range wireless communication is essential. 2. **Durability:** The PCB design needs to prioritize durability. Please demonstrate past work in creating robust and long-lasting PCB designs. 3. **Equipment Performance Tracking:** The primary purpose of the sensor signals is equipme...

More details: What type of users will be using this web-based application? home users What specific graphic objects are you referring to? Shapes, Icons How many variations of tables (rows and lines) are you expecting to have in the application? Less than 10 functuanality: a) personal data input b) selection of graphic objects (tables with symbols) and their variations c) selection of different objects witin the table d) all time log of selections e) export of data to pdf or jpg . Freelancer will be provided with an example of the table (pdf) which has to be coded .

I have code for login trading accound and fetch token data. I need to update code with this field 52w High, 52w Low, Upper Circuit, Lower Circuit, Market Capital Data. I have already collect data from Time interval I need to get week Interval Ohlc data as well. If i chanage time interval it will display those data only. Stock Broker account: If Buy signal find it will automaticlly place Buy order,etc., Note: I dont know about coding, If you install the code and run successfully at my system thereafter I will hire you and release the payment. If you agree this term you will apply this task Budet is 600 INR and Good review, Dont expect more I am not big fish. it is difficult job dont come for Money you should waste you time for unrealish Expectation

It is necessary to develop and assemble a step-up voltage converter with the following characteristics: 1. Input voltage - 24..45 V; 2. Input current - direct up to 15 A; 3. Rated output voltage is 220-240 V. Stabilization is not needed, it is enough to simply limit the upper limit. The current is direct. 4. Temperature sensor for fan control and shutdown when overheated. 5. The rated power of the converter is 420 W. Peak - 600 W. 6. Type. I think that a regular non-isolated boost converter will not work, because it will require expensive transistors (or a lot in parallel). Options for bridge or flyback converters are needed. 7. Switch. So that you can turn off the converter without disconnecting the wires. 8. Connectors. At the input...

I have code for login trading accound and fetch token data. I need to update code with this field 52w High, 52w Low, Upper Circuit, Lower Circuit, Market Capital Data. I have already collect data from Time interval I need to get week Interval Ohlc data as well. If i chanage time interval it will display those data only. Stock Broker account: If Buy signal find it will automaticlly place Buy order,etc., Note: I dont know about coding, If you install the code and run successfully at my system thereafter I will hire you and release the payment. If you agree this term you will apply this task Budet is 600 INR and Good review, Dont expect more I am not big fish. it is difficult job dont come for Money you should waste you time for unrealish Expectation

...finishing a 12v circuit capable of effectively powering a LED light bar in a vehicle. Not ricer stuff, on an emergency vehicle. See attached diagram. Key job responsibilities include: - Designing a 12v circuit that fits my requirements - Adapting the design to the specific type of LED lights I use - Ensuring the configuration is optimized for 1-5 LED lights Ideal candidates should have: - Extensive knowledge of and experience with 12v circuits - Experience working with LED lighting systems - Strong problem-solving capabilities to troubleshoot potential issues and offer robust solutions - Excellent communication skills to explain the circuit design and any necessary precautions or maintenance tips. I value attentio...

I'm in search of a skilled electronic engineer who can design and build a specialized electronic circuit for me. The purpose of this circuit is to measure pressure using a flat piezo element, read the analog data, and then transmit it via Bluetooth to an Android smartphone. Key Points: - The circuit needs to handle a range of 0-100 PSI. It should accurately measure the pressure and convert it into a readable format for the smartphone. - The circuit should be compact and user-friendly, allowing easy pairing and operation with an Android smartphone. Ideal Candidate: - Strong background in electronic engineering, particularly in designing circuits for sensor data processing. - Prior experience...

Would it be possible to get a custom offer for a church daycare in Kamloops BC? Given that a fire alarm system is required as per BC building code 3.3.2.17, and there are likely a number of fire dampers required in existing mechanical ducts due to new fire separation locations, can you drawing the mechanical and electrical plans for us? Thank you very much! I urgently need a qualified freelancer to produce both electrical and mechanical engineering drawings for a project. Requirements: - Expertise in Electrical Drawings: This should include detailed circuit diagrams specifically for a fire system control. - Proficiency in Mechanical Drawings: Expansive knowledge on creating and interpreting mechanical engineer...

I am searching for an experienced electronics technician with these qualifications: - Proficient in soldering - Knowledgeable in Integrated Circuit (IC) replacement - Skilled in troubleshooting The project involves repairing motherboards facing various issues, including overheating, power failure, boot up issues, among others. There's no single specific problem so I need someone versatile and adept in handling diverse issues. Please detail your experience working with similar projects in your application. Your expertise is crucial to ensuring the job is done properly and efficiently. Make sure that you are available around the mtwapa, kilifi Kenya.

I'm in need of a skilled professional who can help me with a Hardware PCB board implementation of a Buck-Boost converter example as given on Page-21 of the data sheet of LM5176 with a certain small change, viz , The output should be variable between 10V to 28V using a 10K pot. All other parameters remain same as in the circuit. The deliverables will be:- (1) Schematic file (both *.sch and the PDF) (2) BOM (3) Gerber Time duration is 3 working days. Key aspects of the project include: - Implementing the circuit for high power devices - Ensuring the Buck-Boost converter supports input voltage range of 15V to 40V - Optimizing for energy efficiency - Testing and validating the circuit for performance and reliability...

I require a comprehensive electrician for upcoming projects spanning residential, commercial, and industrial sectors. Key responsibilities include: - Preparation of detailed electrical estimates with a focus on individual components such as lighting fixtures, wiring systems, circuit breakers, and panels. Experience and Skills Required: - Proficient in various types of electrical projects in the residential, commercial, and industrial sectors. - Expertise in creating detailed, component-specific estimates. - Thorough understanding of lighting fixtures, wiring systems, and circuit breaker and panel specifications. This project requires not only proficiency in technical knowledge, but also the ability to provide detailed, comprehensive, and accurate es...

-The robot starts in a random starting position -The robot arrives at a specific and always fixed point. The point is near a shelf that represents the straight object on the map. -When the robot reaches the specific point it must be placed parallel to the shelf. -After being parallel to the shelf, the robot must advance in a straight line until it detects a white line with an infrared sensor -When it detects the line the robot stops

I'm looking for an expert to make minor modifications to a Figma design. Specifically, your task would be to add a "How this works" section to both the web and mobile view design. Note - The theme is there along with relevant info, you just need to create "How this works" that include 3 steps only. Need just design only nothing else. It is an hour work max. Skills: - Proficient in Figma

I'm seeking an experienced electrical engineer to assist with the design of a Bitcoin mining facility in Kuwait. Key Requirements: - rental cost of land (a empty lot) suitable for bitcoin mining - cost to install a 250kva transformer at the land - power cost per kilo-watt hour - local guide to assist our personnel in the area Experience: - Prior experience with electrical circuit design is a must. Experience with large scale facilities and power distribution is preferred. - Familiarity with Bitcoin mining facilities is a plus, but not a requirement. The project is currently in the initial planning stages. The ideal candidate will be able to work independently and provide innovative solutions to ...

We are seeking a highly skilled PCB Designer specializing in power electronics to join our team. The successful candidate will be responsible for designing and optimizing printed circuit board layouts for high-power conversion systems ranging from 20kW to 40kW. This role requires expertise in PCB layout design, simulation of power electronics circuits, and compliance with safety standards and regulatory requirements. Job Responsibilities: PCB Layout Design: Create and optimize PCB layouts using industry-standard design software (e.g., Altium Designer, Cadence Allegro) for power conversion systems. Simulation: Conduct simulations using tools like LTspice, PSpice or MATLAB/Simulink to verify the performance of power electronics circuits, including converter...

I'm in need of an experienced Arduino expert, specifically one who is well-versed in home automation projects. While your specific tasks aren't limited to, they fundamentally revolve around the following: * Writing, troubleshooting, and optimizing Arduino codes. * Designing and prototyping of Arduino circuits. Ideal Skills: * Proficient in Arduino programming. * Rich experience in home automation projects. * Demonstrated success in circuit design and prototyping. In your application, please include a detailed descriptions of your past Arduino coding experience, particularly those related to home automation. Your proven track record and experience in this field is crucial for this project success.

We are looking for digital marketing company or freelance who can work part time to prove men enlargement product leads from adult site cpl bases fix rate 0.40 dollar minimum leads required 50

I need a highly skilled electrical engineer who can design an industrial-grade, slow-trickle charging circuit for lead-acid batteries. This device will be used primarily for powering backup systems. Key Responsibilities: - Design a charging circuit compatible with lead-acid battery chemistry. - Prioritize circuit efficiency to enable slow-trickle, long-term charging without overcharging or damaging batteries. - Draft detailed documentation on the design, including technical specifications (voltage, current, etc.) and assembly instructions. Ideal Skills and Experience: - Solid understanding of lead-acid battery charging dynamics. - Demonstrated experience in industrial circuit design. - Knowledge in handling charging circuits for backup pow...

I'm looking for an experienced professional in the field of Very High-Speed Integrated Circuit design. The prime goal of the project hasn't been made fully clear, but could include circuit optimization, enhancing performance or improving functionality. While the specific areas of expertise weren't specified, they could potentially extend from design to layout to testing and verification. If you're applying, please include details of your experience relevant to these possible demands of the project. Having a proven track record in these areas would be highly desirable. Be prepared to hit the ground running and to contribute significantly to delivering a successful project.

Industry Leading Edge Company that develops and manufactures VoIP end Products for the Land Mobile Radio market segment. The Candidate must be a Electrical Engineer with experience in designing Microprocessor based PC Boards. A background in VoIP, Audio System, or telephony design projects is a plus. Capable of using CAD design Software (we currently use CADStar from Zuken and Solid Works) for circuit board design and their enclosures. Prefer US Based Designers or at least Fluent English speaking and capable with working with a small team. We have several projects that need to be completed this spring and summer so we need help. The work will be broken down into projects and we understand that compensation will be based on the level of work i...

I've got an electrical drawing which is currently in the format of a scanned paper. I need someone to transition this into a 2D CAD format via Tinkercad. The project involves the following tasks: - Analyzing the existing scanned paper drawing. - Converting the drawing into a 2D electrical drawing. - Bringing the electrical drawing to Tinkercad. The perfect candidate for this project will have proficiency with Tinkercad and experience in analyzing hand-drawn electrical drawings. Skills in 2Dconversion and electrical circuit will be a plus. Please see the attached image if there is some other software you think is better thats FREE and easy to use I am open. Thanks

I'm in need of an experienced Arduino expert, specifically one who is well-versed in home automation projects. While your specific tasks aren't limited to, they fundamentally revolve around the following: * Writing, troubleshooting, and optimizing Arduino codes. * Designing and prototyping of Arduino circuits. Ideal Skills: * Proficient in Arduino programming. * Rich experience in home automation projects. * Demonstrated success in circuit design and prototyping. In your application, please include a detailed descriptions of your past Arduino coding experience, particularly those related to home automation. Your proven track record and experience in this field is crucial for this project success.

...developing a wearable device powered by an ESP32 microcontroller and a 5000mAh LiPo battery. To ensure safe and efficient charging of the LiPo battery, we require a skilled electronic engineer (if you've already worked on similiar project) to create a LiPo charger circuit with comprehensive protection features, including low and high voltage charging protection. I've tried with TP4056 but the charging time is too big. **Key Features:** 1. Overvoltage protection to prevent damage to the battery during charging. 2. Overcurrent protection to safeguard against excessive current flow. 3. Low voltage charging protection to prevent the battery from reaching dangerously low levels. 4. Charging status indic...