Lm voltage regulator circuits design jobs

I am looking for a skilled circuit designer who can create a simple digital circuit for PWM motor Speed Controller. i will provide you the image so you can easily create this circuit Skills and Experience: - Proven experience in digital circuit design - Proficiency in creating circuits for signal control - Prior work on simple level digital circuits - Ability to work independently and test the circuit for its intended purpose.

...to carry out a general Battery project revolving around Matlab. No specific facet requiring emphasis has been pinpointed, thus the professional should be prepared to examine battery performance analysis, battery management system design and battery charging optimization. Skills required: - Expertise in Matlab - Understanding of Battery systems and their Optimization Experience with battery systems and Matlab is highly desirable. We need a flexible approach, capable of dealing with potential shifts in focus, as specific requirements for battery capacity or voltage have not been provided, nor has the intended use case for batteries been identified. This could range from electric vehicles, renewable energy storage, to portable devices. This requires strong experience and ...

I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) - Should use UC3845 current...

The problem: The solonoid valve does not turn off. The voltage on mosfet module output goes from 4.2 V to 4.8 V when motion is detected. It does not goes to 0V and thereby closes the valve. What have i done wrong? I have a simple setup: - Pir sensor AM312 - Nodemcu /ESP (powered by usb) - Mosfet module IRF520 - Solonoid valve 4.5V - External power supply connected to Mosfet 5V, 1A I'm using the following code: const int pirPin = D5; // PIR sensor pin const int mosfetPin = D6; // Connect to the IN/Input terminal on the MOSFET module void setup() { (115200); pinMode(pirPin, INPUT); pinMode(mosfetPin, OUTPUT); ("PIR Motion Sensor with Solenoid Valve Control"); } void loop() { int motionDetected = digitalRead(pirPin); if (motionDetected == HIGH)

...microcontroller programmer for translating our control strategy into a code compatible with a dsPIC microcontroller. This code should be able to handle inputs of both voltage and current. The key features of this project include: 1. Control Strategy: Implementing a Proportional-Integral (PI) controller into the dsPIC microcontroller. 2. Input signals of the system include voltage and current. Being proficient in handling such systems is paramount. 3. Beyond written code, you should provide thoughtful documentation and comments so we can understand your strategies and algorithms. I am not specific about setpoints for voltage and current, so the approach should be adaptable. Ideal freelancers should possess the following skills and experience: - Strong understandin...

...Electronics Circuit Design Engineer to create a power amplifier circuit for me. The desired specifications for this project are as follows: - Input: +12v, -12v square wave (bipolar/monopolar) - Frequency Range: 0.1 Hz to 1000 Hz - Output: +100v, -100v - Load: 500 ohms - Output Current: 200mA Key requirements for this project: - Designing a power amplifier circuit that can handle the specified input and output voltage. - Ensuring the frequency range is between 0.1 Hz to 1000 Hz. - The output should be capable of driving a load of 500 ohms with 200mA output current. Skills and experience required: - Proven expertise in Electronics Circuit Design, particularly in designing power amplifiers. - Proficiency in managing both bipolar and monopolar input. - Solid understa...

I'm seeking an Electrical Engineering tutor to help me with Electric Circuits 2, one-on-one, text-based chat session

More details: What type of communication method would you like the smart watch kit to use? GSM Do you want to send only text messages or multimedia messages as well to the smart watch? Only text messages What type of phone will you be sending messages from to the smartwatch? iPhone All I require is a code which enables me to send messages from my iphone 11 onto this Arduino board.

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 clarify any ambiguous points.

...designer who can craft a modern, minimalistic logo for my IT support business. This unique logo should include a symbol referring to technology such as a computer/laptop symbol, circuits, or a cloud. Requirements: - Use of cool tones, specifically blues and grays, to communicate our corporate image. - A minimal, sleek sans-serif, serif or script typeface. The choice is yours as I don't have any specific preferences. - The design should be innovative, portraying my business as a cutting-edge, modern IT support firm. - I would like the logo to be an symbol next to the company name Ideal skills: - Creative graphic design - Knowledge in modern logo trends - Familiarity with tech - Attention to details Please include samples of your previous work, especially ...

I'm looking for an expert Electronic Engineer with abundant experience in Altium PCBA design. The task centers around the creation of a LM51772 Buck-Boost Controller design, adhering to specific requirements. - Output Voltage: Your design must accommodate an output voltage range of 5V - 48V, delivering high efficiency throughout the range. - Maximum Output Current: The design must support a maximum output current of 5A. - PD Type C Output Integration: Complete integration with PD Type C output is a necessity. Ideal candidates should have a sound understanding of power electronics and PCBA design, specifically with Altium. Experience with PD Type C output integration, and broader USB technology is also valuable. To succeed, a ...

More details: What specific internal parts do you need for the assembly character? Gear mechanisms, Electronic circuits, Structural components What are the specific functions or movements that the assembly character should be able to perform? Arm movements, Facial expressions What is the desired size or scale for the assembly character? Customizable

...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. - Understanding of fault diagnosis and rectification in circuits. - Ability to create an effective way to display fau...

We are looking for an ESP32 coder that can work on a "per project" basis. For the first project, the hardware has already been designed and assembled. Your main responsibilities will be to write code to ensure that the ESP32 adequately read the data from the INA226 Current & Voltage Sensor and then transmit the measurement data via LoRa. Key Requirements: - Proficiency in ESP32 programming - Previous work with sensor and sensor module integration - Familiarity with LoRa integration, or willing to learn

...some help ): Amazigh Motifs: Incorporate subtle Amazigh motifs or patterns within the logo to pay homage to your heritage. These can be minimalist interpretations of traditional symbols, adding depth and cultural significance to the design. Modern Typography: Utilize sleek and modern typography to convey professionalism and sophistication. Choose a font that reflects the digital nature of your agency while maintaining a sense of luxury and exclusivity. Web Elements: Integrate subtle web-related elements such as lines representing connectivity or digital circuits to emphasize your agency's focus on online marketing and digital growth. Symbolism: Consider incorporating symbols representing growth and progress, such as upward arrows or stylized plants, to signify the...

I'm in need of a skilled professional who can conduct thorough testing on a range of electrical panels. Key Responsibilities: - Perform Voltage, Current, and Power Factor testing on a variety of electrical panels including Residential, Commercial and Industrial ones. - Ensure that the tests are conducted accurately and all relevant data is captured. - Document the results of the tests in a comprehensive and organized manner. Ideal Candidate: - Proficient in AutoCAD Electrical to effectively analyze and test the panels. - Experience with testing different kinds of panels including Residential, Commercial and Industrial. - Strong understanding of electrical systems and best practices. This is an urgent requirement and I'm looking for someone who can start immediately.

...pdf Reference Development board: Create a Custom Personalized schematic incorporating the components listed, including the Rockchip RK3588 SoC and additional peripherals, you'll need to carefully consider the connections and power requirements of each component. Here's a basic outline of how you might design such a schematic: 1. Rockchip RK3588: - Connect the RK3588 SoC to the necessary power supplies, clock signals, and peripherals according to its datasheet. 2. 4GB/8GB RAM: - Connect the RAM module(s) to the RK3588 SoC's memory interface, ensuring proper signal routing and power connections. 3. eMMC: - Connect the eMMC storage device to the appropriate interface on the RK3588 SoC, typically

I need a technically skilled freelancer with a strong background in KiCad to assist in drawing a moderately complex schematic for an electronic device. Key Details: - The schematic will be primarily based on integrated circuits. - Knowledge and experience with KiCad is mandatory. - A good understanding of electronic device schematics and circuitry is essential. - Attention to detail is critical to accurately represent each component within the device. By delivering a workable and understandable schematic, you'll contribute significantly to a critical step in the development of our device. Your expertise will help shape the blueprint of our innovation.

I'm looking to upgrade my current ESP8266 controller to an ESP32 C3 Mini controller. I am primarily interested in freelancers with specific experience in this upgrade. Here's what I need: Requirement -1 : 1. Update existing Master Controller board based of ESP8266 to support ESP32 C3 IPEX/ (EasyEDA PCB design) 2. Retain GPIO connections and other circuits and components. 3. Ensure the position of LEDs, buttons and interfaces are as in current design 4. Ensure that the device supports handling loads upto 3A total without any heat with each port support upto 1 A Requirement -2 : 1. Redesign existing Zone Expander PCB board from Eagle to EasyEDA 2. Add LED Power indicator option 3. Ensure that the Expander handle upto 3A without any heating and each port ha...

...in Power Electronics. Below is a more detailed overview of the project requirements: - Specific Task: The primary task is to design a Simulink model of Power Electronics Bidirectional Converter for Grid to Vehicle and Vehicle to Grid Applications and analysis their performance. - Desired output power level: This system needs to describe the power direction in G2V mode as well as in V2G mode. - Voltage, Current Waveform: The system should output both a specific voltage and current waveform Considering V2G and G2V. Ideal candidates for this project would have expertise in Power Electronics design, particularly with experience in Matlab. Your understanding of voltage and current waveforms is crucial for this project. Prior experience with medium powe...

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, you can use contact pads for sold...

I need assistance finishing a 12...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 attention to detail and efficiency, so I want someone who can do a great...

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 in working with piezo elements and pressure transducers will be a significan...

I am seeking a meticulous and detail-oriented estimator with expertise in low voltage systems for a comprehensive cost estimation on a full project. Since I haven't specified the individual tasks, it is critical that the applicant posses a deep understanding of all facets of low voltage systems operation and installation, to ensure a thorough and uninformed cost estimation. Skills & Experience: - Solid proficiency with estimating software - Comprehensive knowledge of low voltage systems - Extensive experience in cost estimating - Attention to detail - Ability to evaluate a complete project without explicit task breakdown. The task will require extrapolation based on a holistic understanding of low voltage system projects. I encourage professionals w...

I am aiming to add a depth of content to my current WordPress site, focusing specifically on integrating a dedicated section for electronics. Key Requirements: - Creation of a new 'Electronics' section on my website following the aesthetic and functionality of the site provided (). - Specifically, I want an emphasis on electronic components for circuits within this new category. Further details: - Particularly, I am looking to cover content about Resistors, Capacitors, and Diodes, electronic components. I have existing website, and I just need to re-do it so it will look like exactly like the link provided - Insightful descriptions, relevant images and specifications for these components should be included. Ideal

I'm in need of a skilled professional who can help me with a Hardware PCB board impl...(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 The ideal candidate should have: - Proven experience in hardware design and implementation of power circuits - Strong understanding of Buck-Boost converters and their applications - Ability to work efficiently on the given input voltage range - Experience with LM5176 or similar power management ICs - Good problem-solving skills ...

...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 converters and inverters, and optimize designs for efficiency and reliability. High Voltage and High Current Considerations: Ensuring the PCB layout design meets safety standards and regulatory requirements for high voltage...

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.

I am seeking an experienced electrical and HVAC engineer to design a comprehensive system for my large, 50+ feet house boat. This project involves designing an integrated electrical and HVAC system. Key requirements include: - A design that accommodates lighting, heating and cooling systems, and appliances. - Powering two 600 hp mercury engines on a 12v system with some low voltage lights. - Ability to utilize both shore power and independent power sources. Ideal qualifications: - Prior experience working with large boats/ships - Understanding of boat electrical and HVAC systems - Experience with multi-power source systems I look forward to enhancing the functionality and safety of my house boat with your expertise.

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 power syst...

I need a cover letter for a high voltage substation, maintenance, and turbine engine building job application. The ideal freelancer should be well-versed in electrical engineering concepts. The cover letter should: Only interested in EU job market. Sweden, Germany preferred - Highlight relevant skills in electrical engineering, - Showcase qualifications for maintaining high voltage substations and building turbine engines, - Tailor your experience to the needs of the job and sector, - Make a compelling case for why I am the perfect fit. Telecommunications or energy sector experience could be greatly beneficial.

...It's crucial that the exterior design is included in the model, with a focus on the workflow of the invention. The model to include a moving conveyer system and also show air flow movement about system. We are looking to create a movie showing a process through a facility and flow of product Special considerations will be given to freelancers with a strong portfolio in 3D model creation with substantial attention to exterior design details. The project is for visualization purposes only so you won't need to worry about mechanical parts or electric circuits in the model. Key skills required include 3D Design and 3D Rendering. It has been suggested that a good program to use for this model might be Inventor. An animation of a similar style/l...

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.

...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 indication for the microcontroller **Key Responsibilities:** 1. Design a LiPo charger circuit incorporating overvoltage, overcurrent, and low voltage charging protection. 2. Develop a robust testing procedure to verify the circuit's reliability, efficiency, and safety. 3. Provide comprehensive documentation detailing the circuit ...

As a tech enthusiast working on moderate complexity circuits, I need a proficient designer to assist me. I have analog and digital types of circuits at hand, which require exceptional skills and experience in circuit design. The ideal candidate should: - Have considerable knowledge and practice in designing analog and digital circuits of moderate complexity. - Be familiar with EasyEDA software, as I prefer working more smoothly with this platform. - Deliver accurate, efficient, and innovative designs that cater to the project needs. Your role primarily involves providing high-grade designs, generating new ideas, and enhancing the functionality and efficiency of our existing circuits. An understanding of technical specifications and a knack for solving ...

...seeking an experienced RF design engineer to partner for lab project involving: Design of discrete circuit transmitter with specific RF performance requirement that shall be provided as needed. From the DAC output to RF frequency 5GHz. One stage up-conversion. modeling and simulation of the transmitter signal chain that provides performance details related to link budget RF chain analysis, inter modulation and harmonic distortion using RF/microwave circuit synthesis and simulation software for circuit board and subsystem designers called "Genesys" Desirable Skills and Experiences: - Proven experience in the field of electronics. - Expertise in RF circuit and antenna designing. - Knowledge of medium frequency range (1 GHz - 10 GHz) in RF circuit and antenna ...

...professional with an extensive background in electronics and electrical engineering who can provide a thorough review of my engineering research paper. Key points to focus on: -Utilize your knowledge and experience in the field of electronics to ensure my paper properly addresses specific aspects of this discipline within electrical engineering. The firm understanding of the intricacies of electrical circuits, systems, and software in this regard is crucial. -Implement your skills in academic research to confirm if the paper fulfills the required academic standards and protocols. Please confirm if the language, data presentation and overall structure is in line with these standards. -Make suggestions on the areas for improvement - whether the research ideas need to be further ...

...calculate the wire diameter number of turns to achieve !.8T electromagnetic field on a given material? I am trying to build an electromagnet using a DC voltage. The power supply I have available is DC 40V with a maximum current of 8A. I need to achieve a saturation of the electromagnetic field of 1.8T. I have laminations made from the best material for permeability, which I have attached for your reference. I have tried winding a single coil, but the electromagnetic field is not strong enough. However, when I placed two independent winds on the coil connected in parallel, I realized that the electromagnetic force got stronger, even with double the voltage. Here are the specifications of the core laminations: 0.3mm thickness, 70mm x 150mm, and the core is 70mm x 70mm (...

...built, and we have a clear circuit diagram for reference. You must develop Arduino code to control the built circuit. Your Responsibilities: The code should enable functionalities like: - Applying precise potential (voltage) through DAC to one terminal of OPAM which is connected to three electrodes. - Voltage should vary at specified rate and specified step. - Measuring correct current being received by Arduino from OPAM. (Actually, current generated between electrodes are converted to voltage by resistance (R) . Voltage output to Arduino gives current dividing voltage by R. - Implementing a reference for stable measurements. - Ensure proper calibration and data conversion for accurate measurements. - After correct values are obtained in seri...

Investigating and implementing solutions to improve power quality issues such as voltage fluctuations, harmonics, and transients. More focus on Shunt Active Power Filter.

Simulation of Low voltage microgrid coposed od PV, Wind, battery, Loads, diesel generators and local grid, using macsim and JADE to do the optimization of energy

...incorporates a TI INA229 current and voltage sensing IC, along with a PCB mounted shunt resistor capable of handling up to 50 amps. The board should be designed to withstand industrial use. Key Requirements: - Incorporating TI INA229 current and voltage sensing IC - Capable of handling up to 50 amps, 85V DC. - High durability for industrial use - All external connections to be via screw terminals (e.g. phoenix) and support the required current. - calculation of required parameters for INA229 register settings. - Size is flexible - Would be ideal if there was onboard 5V regulator for VIN of INA229, but open to this being external supply. Ideal Skills: - Strong background in PCB design - Experience with current and voltage sensing ICs - Knowledge of sh...

...of the water pump. This comprises of 12DC input from a constant voltage (12v, 30W) plug and IRF520 MOSFET module for control of the water pump. The Arduino output and ground pin are connected to the MOSFET in order to control the pump. However, I am stuck on how to integrate the LED grow strip into this circuit. Does anyone have any suggestions on how I can power and wire up this circuit to facilitate both the grow light and pump (the simpler the better)? In addition, any suggestions for the type of MOSFETs I could use to control the LED would be very welcome. To make things a more complicated, it is suggested that LED grow strips receives constant current, so temperature changes in the LEDs don’t cause an increase in voltage over each LED. But, this may not be an is...

...of the water pump. This comprises of 12DC input from a constant voltage (12v, 30W) plug and IRF520 MOSFET module for control of the water pump. The Arduino output and ground pin are connected to the MOSFET in order to control the pump. However, I am stuck on how to integrate the LED grow strip into this circuit. Does anyone have any suggestions on how I can power and wire up this circuit to facilitate both the grow light and pump (the simpler the better)? In addition, any suggestions for the type of MOSFETs I could use to control the LED would be very welcome. To make things a more complicated, it is suggested that LED grow strips receives constant current, so temperature changes in the LEDs don’t cause an increase in voltage over each LED. But, this may not be an is...

We require microcontroller programming services to execute sensor interfacing and manage communication protocols. Our project needs an expert who can: - Interface our 32 bit PIC microcontroller with temperature sensors, analog circuits like Op-Amp and ADC - Implement SPI communication protocol within the microcontroller Experience with PIC microcontrollers is a must, along with a sound understanding of sensors, analog-to-digital conversion (ADC), and SPI protocol. Proven experience in similar tasks will make you an ideal candidate for us.

I am looking for an experienced electrician to help me balance the load of my current electrical panel and fix any faulty circuits. Additionally, I want to add a new circuit to accommodate new lighting and small appliances. Key Requirements: - Expertise in electrical panel balancing - Troubleshooting skills to identify and fix faulty circuits - Experience in designing and installing new circuits - Familiarity with electrical safety regulations and standards The ideal candidate should have a proven track record of similar projects and be able to provide references. They should also be able to work efficiently and complete the project within a reasonable timeframe. I have the CAD file

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

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

...for room conditions, warnings, and government-pushed alerts. - Enable management of Wi-Fi-connected smart devices through the UI. - Integrate alarm setting functionality for added convenience. - Provide insights into the health of the system, including Wi-Fi status, input voltage, current, and system temperature. - Utilize Redis as an in-memory database for Raspberry PI OS and flat file storage for Windows, ensuring data persistence and efficient operation. - Ensure maintainability with well-documented code and a modular design that facilitates future updates and enhancements. - Prioritize usability, creating an intuitive interface suitable for a diverse user base. - Ensure reliability by minimizing unexpected crashes or errors. - Implement relative sizing to accommodate v...

I need a talented software engineer with experience in smart metering systems to decode the data from an Acrel ADW300 Wireless Metering Meter using a Milesight UG56 LoRaWAN Gateway. Requirements: - Decode specific data: I need the freelancer to decode energy consumption, voltage, and current from the meter. - Data Presentation: I want the data to be presented in a raw format. I do not need any visualizations, tables, or graphs. - Programming Language: Please use Python to decode the raw data. Ideal Skills and Experience: - Extensive experience in software engineering, especially with smart metering systems. - Proficiency in Python programming language. - Knowledge of LoRaWAN Gateway systems. - Strong analytical skills to decode complex energy data. Please provide examples of y...