12v battery charging circuitงาน

...track in real-time and provide a high level of accuracy, within a few meters. Skills and Experience Required: - Proficiency in GPS or Bluetooth or Wi-fi tracking technology - Experience in developing real-time tracking applications - Strong knowledge of indoor positioning systems and algorithms - Familiarity with mobile app development for both iOS and Android platforms - Ability to optimize battery usage for continuous tracking - Knowledge of data encryption and security measures to protect user privacy -There should be an admin panel that should have a general overview of all users, individual user tracking and alarm system when user go out of the allocated zone. Admin panel accessible through a secure website. -Historical data and tracking will be stored in a database. Addi...

...Expectations 1) Home charger will have type2 cable socket 2) This device must be suitable for both three-phase and normal 220v electricity according to the voltage value that the user can access. 3) There will be rgb leds working with 12v and they need to be run with certain diagrams from the processor (for example, blue when charging, green when the charge is finished and full.) 4) The cc and cp outputs in the type 2 socket must be found on the motherboard, and from these values, the battery should continue to charge according to the full charge. 5) At the same time, charging can be started with a reset button, start stop button and optionally rfdi. 6) The voltage and current values ​​entering the vehicle must be kept constant. 7) current protection co...

I am looking for a skilled KiCad PCB designer who can assist me with designing a PCB with the following requirements: Size: Medium (between 5cm x 5cm and 10cm x 10cm) Sc...with the following requirements: Size: Medium (between 5cm x 5cm and 10cm x 10cm) Schematic: I have a schematic or a sketch of the PCB that I can provide. Number of layers: 2 layers Ideal Skills and Experience: - Proficiency in KiCad PCB design software - Experience in designing medium-sized PCBs - Knowledge of PCB layout and routing techniques - Understanding of electrical schematics and circuit design - Attention to detail and ability to follow specifications accurately If you have the necessary skills and experience, please reach out to me with examples of your previous work and we can discuss the projec...

...nominal [Can be anything between battery down 16V, battery overcharged 30V] (2) Output:- (i) Voltage = 110V RMS (ii) Current = 2 Amp (ii) Freq = 500 Hz (iii) Pure Sine Wave; THD 5% (iv) Power Load Coefficient (Capacitive) = 0.6 pf (Lead), minimum - Devices connected: Lighting Equipment I am looking for a freelancer who can develop a sinewave inverter for my lighting equipment. The inverter should have a power rating of 250VA. I have specific requirements for the input and output voltages, which will be discussed further. The inverter should be able to efficiently power the lighting equipment without any disruptions. Skills and Experience: - Experience in designing and developing sinewave inverters - Knowledge of electrical engineering and circuit...

Required experts for Grid, solar and battery management

Hey Guys, Our company needs Rockstars to join our Sales Development Team! We offer very competitive salary & incentives! Our company is based in Germany. We are a large battery trading and white label product selling company for B2C and B2B within Europe and we love to work with talents as we make our expansion. Your role as Sales Development Representative is relatively a sales role who specializes more on the following: - prepare the first steps into new (European) markets - Assemble and lead a sales team - Existing customer care (B2B) - New customer acquisition - Focus on B2B and B2G What days/hours will I work? Monday to Friday, common Business hours in CEST area, Full-time job (Note: this may vary depending on the need of the team). How will I be paid? Paid w...

...SIM 2 or both empty then also it should save. ACCESS KEY always change to CAPS LOCK if users forced to enter small case alphabets also 3. 'unfortunately app has stopped' getting in some phones. Which needs to be fixed 4. The major requirement is: App should be able to send otp to server even if the app is closed in the background. Means I put 'auto start' for the app in app settings. And for battery I will set No restrictions.(please suggest if I missed anything here) App should always run even if it is not opened and not there in background. 5. App should be support for lower version of Android. (Some phones, If I got 1 otp then I am getting 10 calls to server which should be handled - this problem I found in Moto E2 Phone) 6. Once message received, it shou...

...connect to the power supply. I have this PCB board designed to take in 7S battery power AND convert that into 5 different voltage rails. But I dont get the output as expected with the actual board from JLCPCB. The issue I feel is with the PCB design. I can provide Gerber, schematic files for the diagnosis. I would also appreciate a feedback on the use of 5 XL4016 chips to do this job of regulating out 5 different voltage rails 24V,24V,12V,5V,5V. The board also has a VSENSE pin to check the battery voltage through a voltage divider circuit, 3 expansion ports, and an LED pin connector for indicating the charging process. There is also an XT60 connector for connecting to the external charger and another XT60 t connect to the battery. Ready to provi...

Schematic capture, preparation of symbols and footprints in Altium I need someone to help me by preparing symbols, footprints and then dragging some basic schematics together, starting a basic PCB, perhaps doing many parts of it before I finish it off. The goal is to assist with much of the early work of a circuit board capture and layout, freeing me up to concentrate on the finishing touches, and the final performance. I expect about a project a month, and want to work with an assistant long term. The first project will involve creating some power controller ICs, and bringing together a few designs from open sources, so I can modify and make a specific system to finish the schematic. Also, creation of all those parts in pcb library, supervised placement, and I'll then rout...

Design a Device Box for Electronics - The box will be made out of plastic material - It will be used for storing electronics, specifically circuit boards - The design should prioritize functionality and protection for the circuit board - The box should be sturdy and durable to ensure the safety of the electronics inside - The ideal freelancer should have experience in designing device boxes for electronics and knowledge of plastic materials and their properties.

I am looking for a sourcing service to help me find high-quality solar power system (110kva hybrid inverter, solar panels 60kw, 60kwh LiFePo4 battery bank) from international suppliers. I am open to any popular brands(good quality), and do not have a specific preference in mind. I am hoping for a comprehensive search of international sources to ensure that I am getting the best deals and finding the most reliable suppliers for the products I need.

My project is about troubleshooting an H-bridge motor controller circuit with an dc motor that is fluttering the rekays when a load is applied. The voltage of the motor is 24V, and I have a schematic available. I need someone experienced in electronics engineering to help me test and troubleshoot the circuit, and I will provide a voltmeter for them to use.

I need a circuit for an oscillator that will be powered by an 18650 battery. The oscillator needs to turn on for 30 seconds and off for 30 seconds continuously. Or better yet have the timer controllable. The output needs to be the voltage from the battery. I need this asap so please give accurate time to completion and accurate price.

I have a cottage that is not connected to the grid. I have installed 2 devices to provide ...not connected to the grid. I have installed 2 devices to provide wifi internet. 1. Eero plus wireless router output 5V 3A 2. enGenius enstation Outdoor Long Range Access Point/Wireless Bridge output 24 V .6 amp I recieve a wifi signal from ¼ mile away, signal is very good. I power the 2 devices from an AC source which comes from a solar panel battery system. I would like to power these 2 devices entirely separate from my current solar panel battery system. I’m looking for the most cost efficient way to design a solar panel and batteries that would be enough to provide continuous power to both devices. Need to be able to run in the winter 46.4917° N, 80.9930° W t...

...provide specifications/photos for this existing PCB, so the freelancer can reverse engineer it. This PCB is 0.8 mm thick, FR-4 material, double-sided, 1 oz copper, ENIG. Overall size is 30.12 x 106.32 mm. All holes are plated-thru. Green soldermask required on both sides. No silkscreen required. All tolerances +/- 0.127 mm, except for the holes, which require +/- 0.05 mm tolerances. The circuit layout must be identical to the existing PCB shown in the two attached photos. Selected freelancer will need to provide Gerber files and FAB files (FAB files in both DXF & PDF file formats, fully dimensioned, from the Gerber files created by the freelancer). We are looking to get this project completed in 4 calendar days or less. Please provide your portfolio or relevant exper...

...image of a battery or a shipping container Container Silhouette: A stylized, simplified silhouette of a shipping container could be the central image. Consider showing a side view, with the container doors slightly ajar, emitting a soft glow to suggest the energy within. Color Palette: Green: To emphasize the 'Green' in your name and the environmental focus of your venture. Dark Grey or Blue: Representing the metallic nature of the shipping container. White or Soft Yellow: As an accent, perhaps to denote the energy or light emanating from within the container. Iconography: A minimalist icon of a leaf or sun can be integrated, either atop the container or within the glow, to further signify renewable energy. Alternatively, a battery icon might be useful to high...

...Implement search features to allow users to quickly find specific information, such as product documentation or support articles. Customer Support Ticketing System: Implement a ticketing system for efficient customer support management, ensuring timely responses to inquiries. Newsletter Subscription: Allow users to subscribe to newsletters for regular updates, tips, and industry insights related to circuit design. Localization of Website: Provide language localization options to cater to users from different regions. Secure Download Center: Create a secure download center where users can access the latest software updates, patches, and documentation. Reference website ...

...Experience in designing boards for CPUs, FPGAs and uC - Experience in process-driven development environments - Experience in requirements engineering - Knowledge of companion devices integration - Familiarity with connecting cameras to FPGA boards Skills and experience: - Hardware requirements engineering (preferrably with Polarion or DOORS) - Proficiency in FPGA board design and development - Circuit design and layout (with Altium Designer) - Strong understanding of companion devices integration - Experience in designing FPGA boards with camera (3D-SDI) and display (HDMI) connectivity - Knowledge of further interfaces like CAN, UART etc. The product will be used in the automotive industry. A knowledge of the respective norms and regulatory conditions is beneficial. Like funct...

...seeking bids for a mobile vendor bottle cooler that will revolutionize roadside drink sales in Africa. The cooler should be battery powered and solar charged, providing mobility and independent operation. Specifications: - Size: 600mm x 300mm x 450mm - Sturdy wheels for easy mobility on uneven surfaces - Battery powered for independent operation - Solar charging capabilities for sustainable energy usage - Efficient cooling system to keep drinks cold - Durable construction to withstand outdoor conditions - Secure locks and bottle securing mechanism Please submit your bid, including details of the proposed design, materials, cooling system, battery specifications, solar charging capabilities, and any additional features or technology that could enhanc...

I need to develop a circuit installation featuring nano based sensors that will capture real time data. The purpose of this project is to get the real time data while extinguishing the fire from fire fighters, and it will use multiple sensors to get the job done including gas, temperature, sweat, heart rate, visual alarms looking the complexity of situation and send signals through wifi to desk for external help. This we are going to install in suit of fire fighters uniform. That said, I am looking for an experienced Freelancer who can help me develop this circuit installation with skill and precision so that it functions as needed.

Detailed press release for HeyBike getting their UL2849 certification for battery safety.

...or build a new professional website for Electric Vehicle Charging. The goal of the website is to provide information about electric vehicle charging. I have some existing materials that can be used as a starting point, so the developer can work with those or start from scratch based on a general direction. Online payment functionality is not required at this time, but it may be needed in the future. Current website is WIX, and would prefer to keep using WIX. Attached is lots of written content to help and a video explaining what ChargePost does. Ideal skills and experience for this project include: - Proficiency in web development and design - Experience with creating informative websites - Knowledge of electric vehicle charging and related technologies - Ab...

...charger into the main switchboard, thereby avoiding repeated power conversions and maintaining better efficiency. The battery and DC drive have already been selected, and their datasheets will be provided for reference. My objective is to simulate DC charger schematic in Simulink to analyze the output current and voltage of the converter. The results of this simulation will be used to size LC-filters, ensuring that the battery is safely charged with accepted voltage ripple. The filter will also smooth out the current and voltage waveforms, making them suitable for the intended battery. The power and current direction of the system will be from the DC converter to the battery. The battery will not provide any power to the busbar, and therefore does not ...

Hello there! I'm looking to commission a Warforged juggernaut piece of artwork in digital format. The main focus of the piece will be on the character design, and it needs to depict them charging ahead, as if ready to face any challenge. I'm looking for an artist with a keen eye for detail and a talent for bringing the concept to life. The ideal piece will capture the power and strength of the Warforged juggernaut while maintaining a captivating aesthetic. If you think you have what it takes to produce a top-tier artwork to represent the Warforged juggernaut, please submit your bid and I'll review it. Thank you for your interest in my commission and I look forward to your work!

I am looking for a PCB designer who can help me create a pocket-sized handheld gaming device. The ideal candidate will have experience in designing compact ...a PCB designer who can help me create a pocket-sized handheld gaming device. The ideal candidate will have experience in designing compact electronics and will be able to incorporate the necessary external features and buttons. The device should have a power button and a battery life of 2-4 hours. I am designing a small form factor raspberry pi 4 based handheld, where I intend to pack things as tight as you see here (PiBoy Xrs kit): I basically want to design a pcb/circuit, that allows me to power the raspberry pi 4 via flat pack LiPo batteries. My budget for this project is 5000₹.

Required experts for Grid, solar and battery management

I am seeking a professional who has experience in building oscillators that can operate within the microwave frequency range for wireless power transmission. The project requires expertise in designing a Voltage Controlled Oscillator (VCO) that can work within the specific frequen...selected and given a big project in power transmission. Ideal Skills and Experience: - Proficiency in designing and building oscillators for microwave frequency ranges - Strong understanding of wireless power transmission principles - Experience with Voltage Controlled Oscillators (VCOs) and their applications - Knowledge of microwave frequency ranges and their characteristics - Familiarity with circuit design and layout for VCOs - Ability to troubleshoot and optimize oscillator performance Budget: $5...

I am looking for a freelancer who can assist me with making cold calls to small businesses in India, with the goal of promoting our remote battery monitoring products. The ideal candidate should have experience in B2B cold calling and be familiar with the Indian market. Target Audience: - Small businesses in India related to Solar EPC, Residential UPS battery users, Telecom towers, bank, hospitals etc. who use UPS batteries for backup system Purpose of the Cold Calls: - To promote our energy sector products - Lead Generations Region of Focus: - India as a whole Skills and Experience: - Previous experience in B2B cold calling - Familiarity with the Indian market - Excellent communication and persuasion skills - Ability to effectively convey product benefits and features -...

... I have a budget of 250-750USD for this project and I need the motor to be specialized. I won't need a battery for the project. I'm looking for an experienced electric engineer or technician to help outline the plans of this solar system and follow through with creating it. The individual needs to have knowledge and experience in creating and designing solar systems and expertise with choosing hardware and components needed for the build. I'm looking for someone who is patient and willing to answer any questions I may have throughout the project. This project must be done within our given budget and timeframe. Attached are pictures of the electric bicycle, trailer, and data on the battery that the solar system needs to charge. About Us We are a traveling and...

I am looking for a skilled individual to design ...for a skilled individual to design and develop a weigh scale circuit. The circuit needs to have a high level of accuracy, with a required accuracy of at least 30000 divisions, with stable output (low noise). Specific components and specifications are important for this project, and I have some in mind. I am specifically looking for the CS5530 analog-to-digital converter to be used in the circuit.. Ideal skills and experience for this job include: - Strong knowledge and experience in circuit design and development - Familiarity with weigh scale circuits and their components - Expertise in working with analog-to-digital converters, particularly the CS5530 - Attention to detail and ability to achieve high level...

I am looking to develop a flashing alarm circuit that has Wi-Fi, SMS and email notifications with a range of more than 500 feet. I am open to suggestions when it comes to specific requirements, but I would like the circuit to provide Wi-Fi, SMS and email notifications to alert users. I would also like the range of the Wi-Fi and cell notifications to reach more than 500 feet. With this system, I can be sure that the notifications reach the intended recipients in time.

I'm looking to create AutoCAD drawings for a villa that I'm constructing. Specifically, I need interior design drawings created at an advanced level of detail. I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience wh...I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience who can produce an end product that meets my exact specifications in a timely, cost-effective manner. Ideally, I would like to view examples of prior work so I can make an informed decision about who to hire. Drawing requirements 1. Room by room elevations details 3. RCP 4. Lighting circuit and layouts 5. Electrical plans 6. General layouts 7. Door schedules 8. Joinery details Thank you in advance for ...

I'm looking to create AutoCAD drawings for a villa that I'm constructing. Specifically, I need interior design drawings created at an advanced level of detail. I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience wh...I do not need 3D drawings at this time. I need to find a skilled freelancer with AutoCAD experience who can produce an end product that meets my exact specifications in a timely, cost-effective manner. Ideally, I would like to view examples of prior work so I can make an informed decision about who to hire. Drawing requirements 1. Room by room elevations details 3. RCP 4. Lighting circuit and layouts 5. Electrical plans 6. General layouts 7. Door schedules 8. Joinery details Thank you in advance for ...

...to fill out intuitively and add logo attached. Pet Waste Removal Serv Pet Waste Removal Service Agreement This agreement (the "Agreement") is entered into between [Customer's Full Name] ("Customer") and [Your Company Name] ("Provider") for the provision of pet waste removal services. By signing this Agreement, Customer agrees to the terms and conditions outlined below, including automatic card charging upon completion of each service. 1. Service Selection: Customer hereby selects the following service option: • Weekly Service ($25.99) • Bi-Monthly (Every Other Week) Service ($35.99) • Monthly Service ($49.99) 2. Customer Information: • Full Name: ______________________________ • Address: ________________________________...

-My difficulty is explaining what is happening in this circuit-I am looking for a freelancer who can provide detailed information about a digital circuit for power distribution at a DC 5V operating voltage. - Understanding of the specific requirements for power distribution in digital circuits - Experience in testing and troubleshooting digital circuits If you have the necessary skills and experience, please submit your proposal. Thank you!

Project Title: 433mhz notifier for specific events I need a simple PCB design which include following. 1) Desig...following. 1) Design should be as small as possible, perhaps even smart-watch size. 2) Design will include place for: - microcontroller (ATTINY85 or smaller/better) - 433mhz (or LoRa!) reciever (whatever smaller you can find but it needs to cover 15meters range with two walls) - battery charger controller with USB input - Battery holder for LiPo Battery (300mAh?), connected to charger and microcontroller - vibration motor Idea is to send 433/LoRa signal (code) to bracelet that will vibrate. Simple project. Battery time should be around 13 hours. If project requires or it's better, it can also use microcontroller with wifi. Any other suggestio...

PCB for Metal Detector ~ 5 meter Depth I am looking for a skilled PCB designer to create a circuit board for a metal detector with the following requirements: Power Supply Voltage: 12V - The metal detector should be designed to operate with a 12V power supply. Sensitivity: High - The metal detector should have a high level of sensitivity to accurately detect metal objects. Range: 5-6 meters - The metal detector should be able to detect metal objects within a range of 5-6 meters. Skills and Experience: - Experience in PCB design and layout. - Knowledge of electronic components and their specifications. - Familiarity with metal detector circuitry and design principles. - Ability to optimize the circuit for high sensitivity and long-range detection. - Attentio...

I am seeking someone to create a website like with an Android and iOS app. The website and apps should have the same features as , but with slightly different designs. The apps would be like for Android. ios app would be like

...**Modern and Tech-Savvy**: The logo should have a modern, tech-forward feel to it, representing the cutting-edge nature of AI technology. 3. **Professional and Trustworthy**: As we're dealing with businesses and their critical operations, the logo should convey a sense of professionalism and trust. 4. **Symbolism**: Consider using symbols that represent AI, such as neural networks, robots, or circuit patterns. However, these should be abstract and simple, not overly complex or detailed. 5. **Color Palette**: We suggest using cool, futuristic colors like blues, silvers, or purples. However, we're open to your creative suggestions. 6. **Typography**: The font should be modern, clean, and easy to read. It should convey a sense of simplicity and sophistication. 7. **Ve...

I am looking for an electronics engineer with expertise in EMT circuit designing, specifically in digital circuit design. Skills and Experience: - Proficiency in EMT circuit design, with a focus on digital circuits - Strong knowledge of circuit design principles and techniques - Experience in developing and implementing digital circuit designs - Familiarity with EMT standards and guidelines - Ability to analyze and troubleshoot circuit designs - Excellent attention to detail and ability to follow specifications Project Requirements: - The deliverable for this project is product documentation for the digital EMT circuit design. - The documentation should include detailed schematics, component lists, and any necessary instructions or guidel...

Design a three operational amplifier instrumentation amplifier circuit, inclusive of EMI reduction.

I am looking for a hands free electric breast pump that meets my specific needs. As such, I need a pump that has both battery and AC power adapter capabilities, allowing me to use either of them or both together. Additionally, the pump needs to be mobile and portable, so that it is easy to take with me. Finally, the pump need to have customizable suction strength so that I can choose the perfect suction strength for my needs. It is important to me that this product meet the criteria outlined above, and I am willing to invest in a high-quality product that can do this. below I have attached some pictures of a similar product. I would love to know production costs and time frames.

I am working on 4 wheel drive vehicle rob..."embedded C" coding of requirements, interfacing sensor code , software requirement testing etc . Person should have worked on, Analog and digital inputs and outputs, should know about PWM ,and current controlled outputs should be enthusiastic to work upon sensors like RPM, Gyroscope and more. Person should be good in understanding and making, simple electronics circuits ( like PULLUP/PULL DOWN circuit, Switch control or capacitor filter circuits etc) person will be responsible for: 1. Sensor integration and coding and testing 2. Requirement Implementation for robots 3. perform module level and integration level testing 4. maintain the documentation Person should finish the work on time . I will explain on work details la...

...LED light circuit for a single cell lithium battery. The required voltage for the circuit needs to be 3.7V, and the battery needs to be a Li-ion battery. The LED lamp should have a wattage between 1-2W. The project requires someone with expertise in developing a specialized circuit that is suitable for solar-powered applications. The end result should be a fully functioning LED circuit that provides the necessary wattage to the LED lamp while operating at the specified voltage rating. - Solar panel 2.5w 5.5v -Using 1 cell lithium ion battery with BMS - output minimum 1.5w continue until battery drain (battery BMS cutoff 2.8v) - Auto on off function - on off manual switch - LED details 3.2v 60mA UV led - it�...

Change Display From .96 to Inland 128x64 1.3" LCD and Mounting Bracket / Screw Holes Change 12 Key from JCAR to DIGIKEY Part Number #1568-1856-ND Change Rotary Encoder Bracket To Fit Inland Rotary Encoder KS0013 Change Battery Bracket To Allow MakerFocus 2000mAh All the dimensions will need to be adjusted with their mounting screws as well to accommodate the new parts. I have the parts and will be adding sizes ASAP.

I am looking for an experienced PCB designer to help me with a double layer printed circuit board with integrated circuits (IC) and micro jst connectors. This project requires a high level of skill in order to design a board that can handle all of the components being used. The designer should be very familiar with the micro jst connector as well as be able to read and understand the schematics. The board must have a minimum lead time guarantee and it should be able to handle the highest current loads possible for the components on it. The designer should also be experienced in providing feedback and iteratively changing the design until the desired results are achieved. This is a complex project requiring a high level of expertise so please only apply if you think you have what it ...

...project Scope of Work: A Presentation with 3 - 4 slides has: -Research and compile a list of GPS tracking devices that are compatible with vehicles and offer real-time location tracking capabilities. -Collect detailed specifications of each identified GPS tracking device, including but not limited to: Device name and model Manufacturer information Technical specifications (e.g., GPS accuracy, battery life, connectivity options) Supported vehicle types (cars, trucks, motorcycles, etc.) Physical dimensions and installation requirements Additional features (e.g., geofencing, speed monitoring) Mobile Application Integration: Investigate the compatibility of each GPS tracking device with our custom mobile application. Check for available APIs or SDKs for integration with the mobi...

...Required: - Proficiency in electrical engineering and physics - Strong understanding of electrical circuits and their components - Knowledge of circuit analysis techniques and principles - Familiarity with circuit design and troubleshooting - Ability to interpret and analyze circuit diagrams and schematics - Experience in working with circuit simulation software Project Deliverables: The requested output for this project is documentation. The deliverables include: - Detailed explanations and analysis of electrical circuits - Circuit diagrams and schematics - Step-by-step procedures for circuit design and troubleshooting - Recommendations for circuit optimization and improvement - Any other relevant documentation related to electrical cir...

I am looking for an experienced professional to conduct a Life Cycle Assessment (LCA) of Electric Vehicle Battery Recycling Methods. The purpose of this assessment is to identify the environmental impact of different recycling methods. Skills and Experience: - Strong knowledge and experience in Life Cycle Assessment (LCA) methodologies - Expertise in evaluating the environmental impact of recycling methods - Proficiency in analyzing energy data, emissions data, and material flow - Familiarity with electric vehicle battery recycling processes and raw material components - Ability to recommend the most sustainable recycling method based on the assessment results - Choose the impact category of the LCA is GWP and CED The desired outcome of this project is to recommend the mos...

Need to find an engineer to replace the battery for the air compressor.