Lithium ion battery charger jobs
I am looking for an experienced Android developer to help with a cou...Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: token refresh functionality ignore battery optimize permission run at startups functionality UI change 2 new api's refactor code for easier maintenance currently displayes persistent notification dont want it Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide e...
I am looking for assistance in optimizing battery performance through Matlab simulation. Due to the project specifics not being clarified, the professional should be comfortable and experienced in working with a range of battery types such as Lithium-ion, Lead-acid battery and Nickel-metal hydride batteries. Key points to consider for this project: Skills and Experience • Understanding and experience in working with various battery types • Proficiency in Matlab for creating simulations and testing • Strong analytical modeling skills Project Objectives • Provide research and suggestions on optimizing battery life, decreasing charging time and improving power output. • Develop a comprehensive Mat...
I am looking for an experienced Android developer to help with a cou...Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: token refresh functionality ignore battery optimize permission run at startups functionality UI change 2 new api's refactor code for easier maintenance currently displayes persistent notification dont want it Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide e...
I have previously worked code in and stored but it stopped working because readyPromise doesn't work and in that case, it can't load sequently and crashes. New Java stuff?? It doesn't recognize readyPromise with var/const only works as await. Async has problems too. Even without Crashing tilesets seem not to load both from ION and Private/Public Domain. Need to solve this ASAP. You need to download files and work within your Domain or IDE or any other way to work directly with CESIUM LIBRARY!!!!! Or I will give you my Domain FTP access to the project folder and you can Upload .js .html files and see RESULTS in this directory as it will load html and js: YOU HAVE TO WORK WITH CESIUM LIBRARY!!
I am looking for an experienced Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: - Refactoring and enhancing the UI of my Android app - ...layout and design, including color scheme and branding, typography and font styles, iconography and visual elements - Ensuring a smooth navigation flow - Enhancing user interaction and feedback Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide examples of p...
I am looking for an experienced Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: - Refactoring and enhancing the UI of my Android app - ...layout and design, including color scheme and branding, typography and font styles, iconography and visual elements - Ensuring a smooth navigation flow - Enhancing user interaction and feedback Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide examples of p...
...Resolution: The camera should provide crisp, clear images for detailed inspection of the welds. - Wide Field of View: A broad visual range is essential for comprehensive surveillance of the welds. - Image and Video Capability: The camera must be capable of capturing both images and video footage to ensure we can thoroughly analyze the welds. As stated, the camera should be able to operate on either battery power or a plug-in power supply, making it versatile and accessible for our team. The successful candidate for this project should have experience in designing and developing camera systems, particularly for industrial applications. A background in mechanical engineering, electrical engineering, or a related field would be highly beneficial. The ability to deliver a compact, ...
...developing a strategic plan for optimizing battery usage. This project involves creating a comprehensive, data-driven strategy to maximize the performance of a battery system while extending its lifespan. Key Responsibilities: - Assist in identifying the primary goal of the battery usage strategy (maximizing battery life, maximizing performance, or finding a balance between the two) - Utilizing MATLAB to analyze historical data, develop mathematical models, and simulate various scenarios to determine the most effective battery usage strategy - Collaborating with me to understand the specific device or system the battery is being used for, and tailor the strategy accordingly - Providing an actionable, detailed plan for implementing the optimal ...
The project is to create Inverter automation to start export, stop export and charge the battery automatically using a microcontroller that can subscribe to the server to get spot prices to run the automation. Objectives: 1. Modbus read and write 2. ESP32 Webserver 3. Spot price subscribe 4. Calculation / rules 5. MQTT Service (Server) 6. Price Service (Server) 7. Device Dashboard (Server) Project scope and system architecture are referred to the project brief documentation "Inverter Automation Project "
Matlab Simulation Battery Optimization Urgent Work
In need of a graphic designer who can create engaging product mockups for our battery brand. This would call for skills in graphic design. - You will produce designs showcasing our batteries in a striking and appealing light. - Ideal for someone with a background in creating graphics for electronics / electrical instruments. - Experience in creating detailed and accurate product mockups is essential. Your creative insight will be crucial in enhancing our brand image through visual content.
I'm looking for an experienced SEO specialist to optimize my Google My Business (GMB) page at a city level, focusing primarily on keyword optimization. The ideal candidate would be someone who can confidently assure guarantied positive results, as success is key for our project. Our company o have retail store of Battery Operated three Wheeler. Therefore, knowledge and hands-on experience in this sector would be advantageous, particularly when pinpointing the most effective keywords to use. This project does not have a hard deadline and I am open to a flexible timeline. However, I would appreciate someone who can deliver guarantee results within a reasonable timeframe. We are into multiple business, will hire the person for other projects too. Ideal Skills: - Proficient in...
...acceptable alternatives. - The projector should be able to display content like a standard projector, including the ability to project onto walls. The projected image can be smaller than typical; alternatively, a design similar to children's toys that use a magnifier for viewing could also work. - I would prefer an entirely analog design for the mini projector, eliminating the need for a battery. However, if a battery is necessary, it should have a long lifespan, similar to that of older Nokia phones, lasting 3-4 weeks. - All components must be of high quality and the entire device should be waterproof. - Optionally, a touchscreen might be integrated on the spherical silicone casing to allow document navigation (PDF or text) or similar interactive features, such as ge...
...to model a battery energy storage system using MATLAB/Simulink. The system is intended to serve as a backup power supply for a large industrial facility. Key Project Details: - Intended Use: The primary function of the battery energy storage system is to serve as a reliable backup power source. - Scale: I'm looking for a model that's specifically tailored for a large industrial facility. This involves understanding the energy consumption patterns of such an environment and designing a system that adequately meets the facility's energy needs during power outages. - Software Preference: Due to the complexity of the project, the ideal candidate should have a strong background in MATLAB/Simulink. This tool is essential for the accurate simulation and modeling...
I'm in need of an expert in battery storage system design for commercial applications. The primary goal of the system would be to maximize its lifetime. Using simulink Key Elements: - **Commercial Use**: The system will be utilized in a commercial setting, therefore, it needs to be capable of handling higher energy demands. - **Maximize Lifetime**: The primary goal is to ensure the system is designed for optimal longevity. This involves both initial design considerations and ongoing maintenance recommendations. Ideal Skills and Experience: - Proven experience in designing battery storage systems for commercial applications. - In-depth understanding of battery technology and the factors affecting battery life. - Ability to optimize a system for extended ...
I'm in need of a freelancer to replace the battery in my AirPods 1. I have the replacement battery already, so the requirement is primarily for the technical expertise and tools to undertake the battery replacement. Key Requirements: - Experience with AirPods 1: Given the delicate nature of these devices, experience working with AirPods 1 would be highly beneficial. - Proficiency in Battery Replacement: Ideal candidates should have prior experience with battery replacements in small electronic devices. Please note that there's no immediate rush for this task, so it can be completed at your convenience.
...text is also ok or worst case images) - This minimalistic videoprojector must have an option to project this pdf/text/img in any way (like a normal projector on walls, it's ok if will be smaller projecting final image; or like kids toys, where you are looking into a magnifier and see images) - I preffer this mini projector to be full analogic, and to not need a battery. But if this is not possible, i prefer to have a long life battery (like nokia, 3-4 weeks) Optional {extra options - extra payment}: - Touchscreen on the exerior sferical case, for scrolling in the document (pdf or text) or similar ways of scrolling (gesture or something). - Waterproof...
I am looking for an experienced 3D designer to create a highly detailed, actual-size lightsaber model that can be 3D printed in plastic. The design should be intricate and visually appealing, capturing the essence of Vildar Mac's lightsaber from the High Republic comic series. Key Req... Key Requirements: - 3D Design: Experience in creating high-quality, detailed 3D models is essential. Familiarity with 3D printing and PLA is a plus. - Design Aesthetics: Ability to design a visually stunning lightsaber model with intricate textures and features. - Electronics Integration: The lightsaber should have functional elements; it must be designed so that it can hold a neopixel core, battery and blade If you have experience with similar projects and the required skills, please submit...
...signals. Ensure compatibility with both 3V and 5V fan types. 7. WiFi 5: - Integrate the WiFi module into the schematic, connecting it to the appropriate interfaces on the RK3588 SoC and providing necessary power and antenna connections. 8. Power Connection via USB Type-C and Portable Battery Powerbank: - Connect the USB Type-C power connector(s) to the power input circuitry, ensuring proper power delivery and protection. - Include circuitry to switch between power sources (USB Type-C and battery power bank) as needed, with appropriate voltage regulation and power management. 9. RGB LEDs: - Integrate the RGB LEDs into the schematic, providing connections for power, ground, and control signals. - Include circuitry for programmable control of the LEDs, possi...
I'm looking to develop a scheduling strategy that optimizes battery usage, with an aim to increase efficiency. While the specifics of the battery system haven't been provided, the freelancer should be prepared to create a versatile solution that could be adjusted if needed. Key aspects for the project: - Development of a method to optimize battery usage for unknown battery systems. Experience in deterministic model formulation would be ideal. - Ability to incorporate constraints or limitations in the future. This could be the maximum battery capacity, available charging/discharging rates, time-of-use electricity rates, and renewable energy generation. If you have expertise in Matlab and experience in battery scheduling or similar proje...
Requirments: 1. Overall change in sized reduced from 1800 to 1780 2. Change of internal frame to 40mm with ends of canopy reduced in size for 40mm frame not 50mm. Layout of unistrut stays the same. 3. New electrical panel to unistrut frame (this it just one sheet with two bends in it. 4. Edit to fridge surround frame 5. New roof strut 6. Solar panel bracket 7. New front and rear frame...2. Change of internal frame to 40mm with ends of canopy reduced in size for 40mm frame not 50mm. Layout of unistrut stays the same. 3. New electrical panel to unistrut frame (this it just one sheet with two bends in it. 4. Edit to fridge surround frame 5. New roof strut 6. Solar panel bracket 7. New front and rear frame layout with 40x40 tube and strut 8. Change depth 9. Door update 10. Batter...
I'm looking for an experienced designer to help create a high-speed public EV charger. Key requirements include: DC fast charger - Focus on high efficiency and fast charging: The key goal of this project is to create a charger that can rapidly and effectively charge electric vehicles, catering to the needs of public use. The design should prioritize efficiency and speed without compromising on quality. - Additional features: While the primary goal is efficiency, I'm also interested in exploring additional features. This could include solar power integration to promote sustainability, and smart charging capabilities such as app control and usage tracking to enhance user experience. The ideal candidate should have: - A strong background in designing public...
We are refining our Falcon race timing system for accuracy in the desert, specifically to tracking falcons over a ...to tracking falcons over a 400-meter course. This system must detect objects (falcon) around 10cm x 10cm, in the outdoor desert environment Key Specifications: - LiDAR Sensors: - Range: Up to 20m. - Aperture: 180 degrees. - Frequency: 100Hz. - Resolution: 0.32 degrees. - Power: 3W. - Connectivity: Visual display timer and device connectivity for real-time tracking, supported by a battery life of at least 4 hours. -Signal Synchronization: Transmitter at the endpoint and receiver at the start for accurate timing. Operational Environment: The design must withstand the desert’s outdoor conditions, howeverwe dont run the race when there is wind or hig...
...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 systems. - Proficiency in using circuit simulation software. The final de...
I am searching for a proficient expert in the field of Battery Energy Storage Systems (BESS), particularly as connected to PV. Your main responsibility will be: - System Sizing - System Design The ideal candidate should: - Hold notable experience in BESS. - Submit a portfolio of previous system designs to demonstrate competence. As active Solar Consultant I have projects all over the world, mostly commercial and utility size, but also residential, and more and more of these now require storage. I am lacking in the Electrical Engineering aspects of these jobs and am looking for regular help.
HELLO :) We are already running on Espcode, that can pull/change modbus on solar inverters(mostly growatt) We need to expand this code, and make it able to take energy (Spot prices) into relation. We use ESP32 1. Be better grapchal looking (Web interface) 2. Access to the ...able to choose between DK1 or DK2 (This is price regions in denmark) (Also we need to expand to other countries later on) 4. Add tax/vat/tarifs 5. Code needs to be stand alone, meaning it should be able to run without home assistant, but also should be compatible with home assistant. 5. Allow Simple automations, like: Stop exporting electricity if spot price falls below X. or like Start charing battery if prices go lower than X Potentially we i will need you to work with us on this project, and do all futur...
The market research report should cover the following in...and the market share ) 3. The main distribution channels for E-bike. 4. The demographic characters of the buyers . 5. Market trend. Product: 1. The photos and specifications of the main branded e-bike. 2. The main features of E-bike in the market. Which features are the most popular and which are the surprise. And the specific preferences on the E-bike. 3. Type and brand of Battery used and cyclic life of the battery ( say five years and times of charging and discharging ) and the associated major parameters. 4. The mainstream type and brand of motor used for the E-bike. 5. Derailleur type . 6. Specification of tires. Note: The project will close on or before the end of April, 2024. The freelancer should...
...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 indication for the microcontroller **Key Responsibilities:** 1. Design a LiPo ch...
I'm looking for a proficient electronic and industrial designer to help create a unique piece of consumer electronics with a primary focus being a GPS. The GPS will be housed inside a dummy power tool battery that also needs to be designed. The GPS battery should be rechargeable and have a battery life of 3 months minimum. Scope of works: Design a GPS tracker Design the housing for the GPS. Something similar to the attachment Include a schematic diagram. Bill of materials (BOM) 3d modelling Fabrication ready Prototyping Source file Delivery of product Key skills • Strong background in electronic design • Experience in consumer electronics • Proficiency in integrating GPS functionality into electronic devices Your bid should reflect your under...
I require a detailed and thorough market research analysis covering consumer preferences, market trends and a comprehensive evaluation of competition. The research will focus specifically on the automotive, solar, EV and battery storage - packs sector. I'm interested in: - Understanding consumer purchasing behavior: What are the current buying trends? What factors influence consumer decisions? - Competitor analysis: Who are the key players in the market? What are their strengths? How can we outperform them? - Market size and growth potential: What is the current market size? What is the potential for growth? My Company details - We are into laser source manufacturing, this source is applicable in different application in different industries. Application for automotive - ...
Seeking an expert to significantly improve the Total Harmonic Distortion (THD) in an EV onboard charger's AC-DC PFC stage. Your role will involve creating simulations and models in MATLAB/Simulink to reduce the THD to as low as possible, ideally below 5%. In addition, you will need to propose and test techniques to mitigate a persisting high 3rd order harmonic. Our current techniques have not been effective and as such you are welcome to recommend simple and feasibly implementable alternatives. Knowledge in designing PCB will be highly advantageous. Ideal Skills: - Proficiency in MATLAB/Simulink. - Background in electrical engineering. - Experience with THD reduction. - Ability to design simple and effective strategies. - Knowledge of PCB design.
...chilling minding his business when all of a sudden God was like ayyyeee ?️?️?️?️Jonahhhh ?️?️?️ Jooooo naaahhhh!!!… get up and run to Walmart real quick… (well he actually said the city of Nineveh) Jonah was like ughhhhhh can’t you do it? ?????? ion even like Walmart (Nineveh) like that…?? God was like ? I need you to tell them them people to tighten up… last time I went over there the food was spoiled, people were in there fighting, it was drug deals in the bathroom, side chicks with married men in the jewelry department, cashiers were stealing money, and ion even wanna tell you who was sleeping with the managers… just nasty… ?️go tell them I’m about to grab my belt ? and shut ?? it ?? down ??… So Jonah was...
I am on the lookout for experts in hybrid microgrid system design. My primary goal is enhancing grid resilience but with a focus on incorporating a mix of energy sources. Key Project Requirements: - Proficient in designing and implementing a Hybrid AC/DC Microgrid system - Understands and has experience in combining Solar power, Battery Energy Storage System (BESS) and, Natural Gas Generator (NatGas Genset) in design - Adept at effectively integrating renewable energy into a grid for enhanced resilience - Experience using Helioscope, PVSyst, Xendee, Energy Toolbase, etc. Your knowledge and experience in renewable energy and hybrid microgrid design will be critical for this project. Ideal candidates should have worked with various types of microgrids, specially integrating differe...
I'm looking for a talented 3D artist to help me bring my rubber phone holder to life. I need a high-quality, realistic 3D rendering . The images will be similar to the images attached. The socket and charger 3d file will be supplied by me. They can download 3d file for any android phone from any websites. Key Requirements: - Demonstrated experience with 3D rendering, particularly of consumer products. - A portfolio showcasing past work in this domain. The successful freelancer should be able to create a visually appealing and detailed representation of the rubber product. Please include examples of your past work in your application.
I need a unique and creative logo for our new company, "Eco-House Solar." We are specialists in solar and battery systems. The logo should embody our commitment to sustainable energy solutions. Key features should include: - Predominant colors: Green and Blue - Style/Mood: Modern, Eco-friendly, and Minimalistic - Open to creative interpretations regarding elements or symbols. Ideal skills: - Graphic Design - Logo Design - Brand Identity Experience: Previous work with similar industries (renewable energy, home services, etc.) will be highly valued. A demonstrable understanding of how to convey our company's essence through design is pivotal.
I'm looking for a talented electrical engineer with experience in designing BLDC motor controllers. The ideal candidate wi...engineer with experience in designing BLDC motor controllers. The ideal candidate will be able to design a controller with the following features: - Speed Control - Torque Control - Regenerative braking - 2 Continuous Power inputs: from a generator and a battery - Efficient power management: Battery charging from the generator while running the motor when needed The power rating for the BLDC motor controller should be between 1-3 kW operating at 48v. Additionally, the controller will need to be capable of charging a lithium-ion battery when needed. If you have experience with these types of projects and can deliver a high-qua...
I'm looking to develop a scheduling strategy that optimizes battery usage, with an aim to increase efficiency. While the specifics of the battery system haven't been provided, the freelancer should be prepared to create a versatile solution that could be adjusted if needed. Key aspects for the project: - Development of a method to optimize battery usage for unknown battery systems. Experience in deterministic model formulation would be ideal. - Ability to incorporate constraints or limitations in the future. This could be the maximum battery capacity, available charging/discharging rates, time-of-use electricity rates, and renewable energy generation. If you have expertise in Matlab and experience in battery scheduling or similar proje...
Matlab Simulation Battery Optimization Urgent Work
...Enable the definition of a radius around these coordinates to create the geofenced area. The platform should offer flexibility in setting the radius, accommodating various research needs from very local (a few meters) to broader areas (several kilometers). Geofence Precision Settings: Include options for setting the precision of the geofence to manage the balance between location accuracy and battery usage on the surveyor's device. Surveyor Location Verification: Implement real-time location verification to ensure that the surveyor is within the defined geofenced area before allowing access to the survey. This check should occur at the start of the survey and can be optionally configured to re-verify at intervals or before submission. ...
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
...as a battery start for in-game electricity. Ideal Candidate: - Proven experience in game development, particularly for computer-based platforms. - Ability to incorporate unconventional elements of power into the game mechanism. - Experience in designing games suitable for teenagers, balancing fun, excitement and challenge. - Extra consideration for those who have worked on rhythm or dance-themed games before. Looking for a creative mindset to shape this whimsical, energy-ridden world. If this project sounds like your cup of tea, jump in and let's create a fun gaming experience together! my discription (It’s for a game jam and the theme is unusual source of power and I want the game to be a wavelike game where there’s a hamster and a dance dance revolution ...
More details: What is the subject or topic of the existing whitepaper document? Customer Retention challenges and various solutions What specific areas of customer retention do you want the whitepaper document to focus on? Loyalty programs that have been successful What level of detail do you expect for the section on loyalty programs? Case studies of loyalty programs in the following industr...the existing whitepaper document? Customer Retention challenges and various solutions What specific areas of customer retention do you want the whitepaper document to focus on? Loyalty programs that have been successful What level of detail do you expect for the section on loyalty programs? Case studies of loyalty programs in the following industries: Energy, Electronics, Automotive and Tire & ...
...solar panel system. I'm particularly interested in information about solar panels and any devices connected to them. - Component Pricing & Availability: Please provide an in-depth overview of the market availability and pricing of these components. - Creating Wiring Diagrams: I require detailed diagrams showing the connection philosophy of solar panels and a complete wiring diagram from panel to battery. - Calculating Efficiency: Using the above details, calculate the overall efficiency and potential losses in this charging system. Ideal freelancers will have a background in solar panel charging batteries, specifically solar power systems, and the ability to accurately analyze and document component details, create wiring diagrams and calculate energy efficiency. Pr...
I'm in need of a creative cartoonist or graphic designer who can bring my humorous vision to life. Here are the key details: - Should be a vivid, colorful design that catches the eye - The theme is humor, so the ability to translate fun, witty ideas...perfect candidate would be experienced with cartooning and have a portfolio that demonstrates a knack for fun, humor-infused creativity. The ability to incorporate thoughtful, adult-oriented humor is an absolute must. If color, humor, and design are your forte, I'd love to hear from you! We are , and so my idea was to focus a graphic about the greek gods (titans) and solar & battery storage and car charging. We are looking for a series of graphics and will choose someone with the style we are looking for to do more tha...
As a passionate business owner, we have just launched a new online store specifically for fitness enthusiasts, busy professionals or others who are in need of a quality blender on a battery (portable). Here's what you need to know: - The website is already live - It's vital that customers know that while our products are cheap, they are actually really decent products. We test all our products and as a result have taken some offline as they don't meet our expectation and we would be ashamed to sell them - The ideal influencer tackling this project should have a decent reach and following. We are happy to pay a commission based on sales that can be tracked back to the campaign run by the influencer - I'd also appreciate it if you have a track record with reviews
..."degrees" symbol included) - Draw geometric shapes (lines and rectangles) - Adjust contrast Moreover, it should be suitable for a STM32C0 size MCU. Previous experience in embedded systems and GLCD interfacing is a big plus for this project. Efficiency and attention to detail will be highly valued in this job. Other key attributes - - Low memory footprint - Low power consumption - Powered by a CR2032 battery - I2C interface is our preference - Refresh rate is not critical, There are a number of open source libraries available that can be used as references or to build the solution. We are happy for you to approach it this way as long as there are no IP rights infringed. There are some standard screen setups that will be displayed and these will be shared ones the p...
I'm looking for an expert to design and build a solar-powered or battery-powered bark audio sensor that sprays water when my dog barks. This device must: - Be solar-powered or battery-powered, making it eco-friendly and not further burdensome with costs. - Have a trigger mechanism that sprays water when my dog barks - no other noise or action should initiate the spritz. - Cover a medium range that encompasses a 15 foot fence line. This is to ensure effectiveness and efficiency in a confined space, improving behavior modification. The ideal candidate for this project should have experience in audio recognition technology, sensor development, and environmentally friendly power alternatives. Experience with similar devices used for training or behavioural modification in ...
In this project, I'm looking for an experienced engineer to assist in setting up a LORA node that will operate within a range of 1 to 10 kilometers. The LORA node will be designed to collect data on two environmental parameters: temperature and h...of 1 to 10 kilometers. The LORA node will be designed to collect data on two environmental parameters: temperature and humidity. Requirements: * Expertise in LORA node set up * Experience with environmental data collection * Understanding of medium range data transmission * Familiarity with battery-powered devices The successful freelancer will provide thorough guidance on configuring a LORA node to meet these requirements. Experience in similar projects will be highly appreciated. Knowledge on battery longevity and power c...
I'm in need of a skilled electronics engineer with experience in power management circuits. Your task is to optimise a battery protection sub-circuit that is already working but uses too much power. The circuit is used to protect a lipo battery from overvoltage, if the charging voltage goes above 4.2V then the battery should be disconnected until the voltage drops below 4.2V. The existing circuit operates by using a comparator to compare a reference voltage to the battery voltage and using a PMOS switch to disconnect if required. There are a number of key criteria that must be achieved and are non-negotiable. - The passive current of the total circuit should be as small as possible <50uA, currently over 1mA - The design needs to be triplicated (see s...
