Volt battery charging circuitcông việc

I need someon whoo Will make a research or find a product on the market for me. I need a micro gps trucker, which can be attached to a pigeon leg so small waigt max 15grams, for my studies of pigeons, the battery must resist for 3 day. so i need a micrko gps trucker who Will show me on the app on the real time the exsact location where the bird is. IF THIS ALREDY EXSIST ON THE MARKET i need a pri...

I want somebody design a control circuit to to control a 3-phase contactor to trip when short circuit happens as protection. the following must be submitted: 1- the code file (arduino IDE) 2-the PCB file 3- the bill of material and their numbers

I want to connect the readout integrated circuit (roic) to single board computer (raspberry pi or arduino). The project is very simply. I need to read the data coming from roic. There is restriction on which roic we have to use.

Hello, I'm looking for an experienced editor/proofreader in English to help me brush up my Master thesis. It deals with economical, legal and environmental aspects of e-mobility charging infrastructure in Germany and China, and it is approximately 100 pages. A good candidate would be someone with experience in editing economic or technical texts. The best candidate would be someone who kn...

I want to simulate the impedance of Lithium ion battery, thereby plotting a Nyquist plot using a set of parameters. The plot will be real against negative impedance

Hello. We would like to create a new logo for our company. The name of the company is "Vestfold Skilt AS" which translate to "Vestfold Signs". We sell regular signs and LED signs, and other advertising products. I'm also uploading a picture of a product that are similar to what we sell. The logo will need to incorporate "Vestfold Skilt AS". I've uploaded ...

IOS 9+ provide ability to track app usage via the battery usage settings. I need to fetch this data and send it to my server through the use of MDM. I would also like to track website usage and track time spent on each website if possible. I already have a backend and an API built, so I just need a IOS app/background service to capture and send this data.

I need two telecommunication projects. Details are provided: 1. Project1: Discovery and Verification of Neighbor Positions in Mobile Ad Hoc Networks MOBILE COMPUTING, FEBRUARY 2013 Technology Implementation: JAVA A growing number of ad hoc networking protocols and location-aware services require that mobile nodes learn the position of their neighbors. However, such a process can be easily abused o...

I'm looking for electronics engineers who could create an electronic circuit, a custom PCB, and a BOM for a device that would connect two cameras with some other device (I'll tell after we sign an NDA) via Bluetooth. The image received from the cameras will need to be overlayed with the info received from the third Bluetooth device. The central device will need to store the video footage...

To build a small ON/OFF circuit using tactile switch to turn ON/OFF 5V controller circuit and 2 more switches for other functions. It will be fed from a 5V power bank.

IOS 9+ provide ability to track app usage via the battery usage settings. I need to fetch this data and send it to my server through the use of MDM. I would also like to track website usage and track time spent on each website if possible. I already have a backend and an API built, so I just need a IOS app/background service to capture and send this data.

I need circuit designer. Please bid only electronic expert.

I need some changes to an existing website. I need you to design my blog. go to this link and suggest me the changes we will discuss the rates accordingly. [đăng nhập để xem URL]

I need you to write some content for a website. please go to this link and check my website. [đăng nhập để xem URL] this type of work you have to do it for me. we will discuss the rates . my budget is upto 25$ per blog in one day.

I need to get some building plans revised and drawn to scale. Floor plans & sectional views 1. Ground Floor, a. Please reduce, width of extension from 4700mm to 4200mm 2. 1st Floor and Loft Floor plan, a. The roof is extending beyond the boundary of the wall i. Make it flushed with the wall b. Reduce the porch size to 2100 x 1400 including external walls 3. 1st Floor, a. Remove stair from s...

Hi Marc N., I noticed your profile and would like to offer you my project. We can discuss any details over chat. https://www.freelancer.com/projects/engineering/Circuit-Design-Channel-Class-Amplifier/details

This circuit amplifies three input channels consisting of low-current voltage signals that have a low bandwidth (less than 200 Hz). Each channel is pre-amplified according to a fourth circuit input which operates as a voltage control to the pre-amplificiation. Each pre-amplified channel is then fed to a class D amplifier to create a large current version of the input at three respective circuit ...

I need detailed design & engineering support for development of solar, wind, diesel generator, battery bank & grid connected hybrid inverter of 3 kVA rating. The scope includes detailed engineering, sizing calculation, PCB design, firmware development, logic development, micro controller code for the hybrid inverter with battery charge controller and synchronization unit. Hardware work is ...

Build of Material list for a coffee machine powered by rechargeable battery. Task: - Define the device's components in order to boil 200ml water in less than a minute and then drip the water into a cup - Device and its components should have dimension approximately 15x25x10 W x H x D - From additional water tank (placed on the ground approx. 1 m. from the device) water can be pulled - Sh...

i want a pcb for an electric lighter , with dimensions of 30x30mm and no more than 1.5 mm of thickness. The coil heating element should also be included in the design , and support for a 20x25mm 150mah 3.7v battery . in addition i need a micro usb port for charging and an led to indicate when full and when charging . i need gerber files , 3d model of pcb and BOM all within the cheapest parts

We have an application and we plan to use SiLabs EFM32 Tiny Gecko Series 1 chip. The part number of the MCU is EFM32TG11B320F128GM64-B. The application is for a battery powered sensor. We need someone who has past experience with EFM32 and SiLabs Simplicity Studio to help us with design. To start, we are looking for only power supply and debugging part of the schematics. The design should consid...

I need a creative logo with the text below. Creativity is welcome in this contest and we look forward to many examples. We will be closing the contest in 3 days. Product Name: Goliath Start Tag Line: *Remote Battery Assurance* Goliath Start is a Remote activated battery booster designed to start cars, boats and pretty much anything with an engine via remote key fob. Never be stuck wi...

very basic electronic circuit assembly suit someone working from home. sheffield / derbyshire area

I am a software developer. We are doing a project where we need a detailed model of a vehicle that we will design. Cannot give any more details now. Some Details of the project... The person has to be in Mumbai and, do the project from my office. Also the person should have all the necessary software required, pre-loaded on their laptop. Either a tricycle or a quadricycle is what I am looking at. ...

Prepare dataset for good product vs bad product query if required. ( One can do it quickly using [đăng nhập để xem URL] ) 2) Examples of good product queries - "nail polish to go with navy dress" - "computer science book" - "dog seat cover" - "dog seat cover for ford f150" - "iphone 7 yellow case" - "multi purpose hammer" - "hammer ...

1) Prepare dataset for good product vs bad product query if required. ( One can do it quickly using [đăng nhập để xem URL] ) 2) Examples of good product queries - "nail polish to go with navy dress" - "computer science book" - "dog seat cover" - "dog seat cover for ford f150" - "iphone 7 yellow case" - "multi purpose hammer&...

I am a software developer. We are doing a project where we need a detailed model of a vehicle that we will design. Cannot give any more details now. Some Details of the project... The person has to be in Mumbai and, do the project from my office. Also the person should have all the necessary software required, pre-loaded on their laptop. Either a tricycle or a quadricycle is what I am looking at. ...

Hi we are designing a Qualcomm BLE micro controller based circuit with sensors for various applications. We are already near completion of the circuit but would like some fresh hands that can help us review and finish the schematic as well as the layout. If you’re passionate about PCB design, please reach our to us.

Can you please make an explainer video on how a lithium ion battery works. Here is a youtube example of a similar video. [đăng nhập để xem URL] The video will go up on our blog: [đăng nhập để xem URL] And on our youtube channel: [đăng nhập để xem URL]

I want to create my website same to same as [đăng nhập để xem URL] i can pay whatever you want but i want my website in just 15 days

I am looking for Haddware and firmware development for building an AC Energymetering circuit using M90E26 ( Single phase enegry Metering IC). I would be looking for Hardware circuit design + PCB layout + Required Firmware. ( complete solution and working hardware 1 unit)

I want electronics person to do simulation of 3 circuit which may include some changes or redesign of circuit and then it should be check on PCB. Then PCB should be parcel to my home address. The 3 circuit are: 1. USB output port (5V 1A, 2A, 3A) and Type C output port. 2. DC output port. 3. Inverter 60W I will parcel the battery which should be tested.

Given a list of components of a circuit and their location(x,y). The task is to assign a serial number to all the components, depending on their type, within their location.

See attached PDF for details. Deliverables include completed Logisim file with: Completed controller circuit with truth table and Boolean Logic (excel is ok) Completed datapath circuit

The goal is to monitor water tank levels(Full,75,50,25, Empty) and control the water pump as per levels. There will be two units : > One is at the rooftop tank which consists of a level sensor and an rf transceiver. > Another one is at the ground level where the water pump is connected to the electricity which consists of an rf transceiver and relay circuit and Level indicators and buzzer. ...

Need to develop an updated control board for an existing DC-DC converter platform. - Drive Mosfets with Synchronous Rectification support. - Constant Current and Constant Voltage Modes with the ability to set output current and voltage. - Basic Fan Drive Circuit for cooling. - Isolated Modbus and Canbus integration (already built into the device on another patch board). Fan drive, isolated comm...

Attached are couple of pics of my Motorcycle design, I have FBX file available. I need you to run your wild imagination and make is complete/better. The motorcycle doesn't need Engine, Transmission. It is an electric bike future concept model. The plastic enclosure is empty, with frame inside and is used as storage space, you can think of it as huge trunk/storage space. Battery and controller...

The contractor has already been chosen. Thanks to everybody. Please don't send your proposals.

We want to build a generic code which works for 1 Channel, 2 channel, and 4 channel Dimmer (using TRIAC(BT139)) and it should also be able to give power reading for HLW8012(Power metering chip) It gives output in the form of frequency that is directly proportional to the power. We can also give an independent project for working only on HLW8012/Dimmer separately but the code should be compatible w...

Hi, I have a start-up tax consultancy firm situated in India. I'm looking for a digital marketing expert who can generate customer leads to my business. For this I came with exciting proposal as sharing the profits based on customer leads instead of paying fixed amount per month. Right now It's a start-up doesn't have much business, so I can't afford to engage one digital mark...

I am looking for 1) Circuit diagram 2) Coding part 3) Assured output

Prepare power system study including short circuit and arc flash study using Easypower or SKM software.

We're a team of 4 engineers from the University of Rochester and we're designing a new kind of musical instrument based upon a flexible piezo-resistive touchscreen. Functionality has been demonstrated via breadboard. We are now ready to optimize the electrode design and transfer the circuit to a PCB. But none of us have Eagle or CAD experience, so we are in need of assistance.

Bonjour à tous, S'il vous plaît veuillez lire attentivement avant de faire une enchère, c'est très important afin de ne perdre ni votre temps ni le mien. Aux enchérisseurs: Si vous faites une enchère à 5 € pour ensuite me demander mon budget, merci de ne pas répondre. Si vous faites une enchère à 5 € pou...

Looking for someone to help see how we can incorporate a battery pull tab in a small watch.

Design, detailed engineering, BOM list preparation, firmware, logic, control schematic, micro controller code development, PCB design, 3D model of panel for a 3kVA, 3-Ph, 415V, 50Hz grid connected inverter with variable DC inputs like 24V to 500V. The DC source is only battery bank and the output will be synchronize with grid. Scope includes offsite support during prototype development and success...

Hello. I am looking for someone who can draw and model a beautiful and sexy off-grid vehicle charger that is designed to be a portable charging station. Needs a realistic render 1. It needs a retractable/extendable solar roof 2. The back has to have a etractable/extendable bicycle rack Please let me know how much is it and if you are able to do it. We can sketch and discuss before going digital....

The Circuit is done. Now I need someone who can programm a NRF52832 with my requierments. 1. An input signal on a pin has to set the device in pairing mode. If it is allready paired, it has to disconnect. 2. The device has to connect as special HID Device. I can give you the exact Profile. 3. The device has 3 analoginputs. If one of this inputs reaches a defined value, a timer must be reseted. If ...

Hi dreamcha, I have zigbee2mqtt usb stick in PI ([đăng nhập để xem URL]) in Homeassistant installation, it works for Zigbee devices. I have cc2530 dev board that i want to use: a) One module - I want to add custom switch ([đăng nhập để xem URL]) it should remember last state of switch after power cycle. b) Second module - Humidity/temperature sensors with sleep and battery/signal status message...

Need a matlab / simulink model for powertrain / brake system/ battery system. If anyone is ready to support for this or anyone is having the already developed model for this system, send your quote . This project is related to automobile/ Electric vehicle