Circuit schematic battery switchover trabalhos

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    25,089 circuit schematic battery switchover trabalhos encontrados, preços em USD

    Development in PhoneGap We have a delivery control application we need to improve to make it work offline and also improve the issue of displacement control (GPS) such as speed control and other improvements We need the following points: 1) Make the application work offline 2) Improve GPS shift control (speed, vehicle position with better accuracy) 3) Each driver receives several deliveries du...

    $750 (Avg Bid)
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    3 ofertas

    o projeto é para fins estudantis. Quero um programa que controle quatro motores de passo, os 4 motores tem que levantar juntos 20kg no total. Os motores tem que gira 360° para frente e para trás. Eles serão controlados por controle remoto a rádio. Gostaria de saber qual os componentes que ira usar no projeto, qual a voltagem da fonte para usa-lo, e uma bateria q...

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    Aluguel - 2 rodas equilíbrio inteligente Scooter elétrico Hoverboard Skate motorizado de pé Skate Ho Alta qualidade duplas duas rodas auto balanceamento mini-scooter elétrico inteligente sistemas de balanceamento duplo mantê-lo em equilíbrio protecção de segurança: inclinando proteção, proteção de limite...

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    Possuo um laptop "Razer Blade" e preciso de uma bateria para substituir a original que foi danificada (a bateria não tem como ser reparada, precisa realmente ser trocada). Segue as especificações: NOTEBOOK - Razer Blade @ 2013 -Model No.: RZ09-0102 -Rated 19V === 7.9A -Product No.: 01021101 BATERIA - Li-ion Battery Voltage: DC 11.1V Capacity 6400mAh watt-ho...

    $18 (Avg Bid)
    Local
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    1 ofertas
    Projetar um produto Encerrado left

    Carregador para Celular/tablet com comunicação Bluetooth Dispositivo carregador fixo ent 110~220V Saida 5VDC para dispositivos portateis com corrente controlada 1 a 2.5A com comunicação atraves de BT com o dispositivo. Dispositivo carregador Movel Bateria interna Saida 5VDC para dispositivos portateis com corrente controlada 1 a 2.5A com comunicação ...

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    Eu tenho trabalho contínuo relacionado ao nosso projeto anterior 2 circuits: shunt resistor and rechargeable battery to Arduino microcontroller'

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    13 ofertas

    Eu tenho trabalho contínuo relacionado ao nosso projeto anterior 2 circuits: shunt resistor and rechargeable battery to Arduino microcontroller'

    $10 / hr (Avg Bid)
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    1 ofertas

    placa 10x8cm smd pcb/pci já tenho ela em schematic no eagle, falta rotear.

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    1 ofertas

    We are looking for somebody with access to a 3D printer and the ability to build a small electric circuit containing a piezoelectric buzzer, so that the different design options can be tested for loudness. We would prefer a small, stand-alone circuit with a CR2032 battery, but are open to using an Arduino. You need some way to control the buzzer to play a note at a given frequency, so that we ca...

    $150 (Avg Bid)
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    16 ofertas

    Hi there, This photo will be used on a label for an automotive battery product. The label design is already made. I just need the photo as the examples where the blue color is very vibrant The photo needs are: SIZE w:3800px h:2500px, High Resolution and definition and Electric blue color as the Velko Batteries Lightning is a naturally occurring electrostatic discharge during which two electrical...

    $10 (Avg Bid)
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    12 inscrições

    Hello, I need Schematics and PCB files to small switching power supply with 1 input and multiples outputs: Version 1: Input: 220v AC Output A: 12v 3A DC Output B: 5v 3A DC Output C: 9v 3A DC Version 2: Input: 220v AC Output A: 12v 3A DC Output B: 5v 3A DC Output C: 7v 3A DC

    $36 (Avg Bid)
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    11 ofertas

    I need to draft and finalize a counter suit claim for my business to any employee. I am uploading the initial complaint now for your review. I want to counter sue, and need the documented drafted and edited for legal terms.

    $132 (Avg Bid)
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    7 ofertas

    I need to comunicate up to 32 nodes (esp32) to a single station / root (Esp32, Rasp what ever you recommed me) - Expected range: ~150 meters - I have preference to use esp32 features (esp now - esp mesh) - Lora is discarded due Duty Cycle - Root will broadcast a 2Kb message every second - Nodes will send 200bytes message to root every minute or less (need ACK, message must to be recieved) - N...

    $166 (Avg Bid)
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    1 ofertas

    We need to optimize our design for mass production. We have fully tested BMS power board(160x130mm). You should change some connectors into Molex type, combine some connectors, optimize board size, which means that you don't need to work on schematic but you should modify PCB layout and update BOM file. This project is kind of urgent, I'm hiring someone in 24hrs and this task needs to ...

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    13 ofertas
    schematic drawing 6 dias left
    VERIFICADO

    i am erecting a "i♥️Ranau" statue. 3 ft height, 20cm width, total length of 10ft , font: american typewriter. the plan will be send to the manufacturer. Manufacturer prefer a cdr format.

    $31 (Avg Bid)
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    i have working prototype of an arduino based variable voltage power supply with wireless on/off [fazer login para ver a URL] list,design files and coding files are [fazer login para ver a URL] are few bug in coding that need to be fixed and need few changes in design.i would an assembled working prototype.i will pay for sourcing components,boards and shipping.

    $152 (Avg Bid)
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    18 ofertas
    Open a circuit 6 dias left
    VERIFICADO

    To open a 12 volt relay in a car from the usb cable charger from a phone in a car from the green or white wire when the phone is connected to the charger to open a 12 volt relay in a car.

    $425 (Avg Bid)
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    Dear all, We are a supplier of solar energy in Sweden that focus on quality solar panels that can be mounted on top of roofs or integrated in roofs or facades. We that have seen that, within the sales process, qualifying customers and creating quotations take up a lot of time. That is why we want to create a tool that automates the first parts of the sales process. The end goal is to create a ...

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    I have battery data, WE need to generates some plots and copute electric vehicle performance by plotting data from given fie We may need to do some unit conversions, power estimations

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    FIRST QUESTION: I have some issues with the character 巿 ! It has 4 strokes, I do NOT mean the similar looking character 市 with 5 strokes that means "city"! I also know it refers to some sort of ancient clothings, and I trust this translation, so that's not my problem. However, I also can find another translation for that 4 strokes character, it says: "revolve, make circuit, t...

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    Thank you for your interest in my project. Esp based multisensor pcb design I'm looking to build a product, from electronics design and manufacturing. I'm looking for engineer who can lead this project and help me though the process. Requirements - Esp8266 - Micro usb power and programming - Cp2102 usb serial - Bme280 temperature humidity - i2c - Am312 motion - Bh1750 luminance - i2c -...

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    Bobsvumeter 5 dias left

    Looking to Get the necessary Gerber files schematic and board design to upload to a PCB print company for boards

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    15 ofertas

    A consultant with experience in writing a Risk Management File according to ISO 14971 for a hand-held, battery operated consumer device.

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    13 ofertas

    I need someone to help me design a prototype for an idea I have. It's basically a GPS tracker. I would like to understand the list of components needed to build one standalone tracking device using GPS (Preferably European Galileo). I don't mind the design looking like a mess, as long as all the components required are there, and that it can be used independently (battery operated). Id...

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    The aim is to design and simulate a h-bridge inverter circuit with real devices,optimised for a unique set of device parameters.

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    BLE stm32 esp32 firmwares 4 dias left
    VERIFICADO

    Server based on stm32f429zit + esp32 only as a BT tranciever Read BT air and call external function when devices state chenges Send command from external source to devices (see in dev func) BT dev #1 stm32wb55 magnetic sensor smd button for tamper Broadcasting to the server magnetic sensor state, button state, battery level BT dev #2 stm32wb55 2 push button 2 relays Broadcasting to the server ...

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    Design circuit which is able to charge 1 – 4 batteries safely (Over charge and discharge protection) Output 3.3 and 5v at .5 amps Input 5v Battery charging 18650 cells (1 - 4). Id like all the above development done in EasyEDA. Thanks

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    hello, i have a schematic that need to be extended a little and make PCB design. Do you have time to do that ?

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    1 ofertas

    We have a few VM's which we use to browse on web. Some of the websites are checking the browser fingerprints to detect if this is a real device or not. We want the VM to be detected as a regular Laptop. Willing to have an .exe / .bat file, with a config file which will create the following devices : - Several Audio Inputs/Outputs; - Battery Emulation ( with random currrent capacity ); - W...

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    I need Altium PCB Designer and 3D view as well in PDF format. I already have schematics designed in pdf that schematics must be converted in PCB. along with it some modification and circuit designing if required in future. Please place bid only if you are expert in Altium PCB Designer and 3D. thanks.

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    hello, i have a schematic that need to be extended a little and make PCB design. Do you have time to do that ?

    $50 (Avg Bid)
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    1 ofertas

    hello, i have a schematic that need to be extended a little and make PCB design. Do you have time to do that ?

    $50 (Avg Bid)
    $50 Média
    1 ofertas

    I'm developing an art project that involves basic sensing of water levels, and I'm looking to speak with an experienced engineer about using water as part of my circuit. Ideally the candidate has experience with creating sensors that interface with liquids, and has knowledge about rates of electrolytic erosion in different metals.

    $45 / hr (Avg Bid)
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    We have a project that we expect to use a Nuvoton NUC240VE3AE microcontroller on (The system requires 5V). We want to create a MSD (and perhaps VCOM) driver so that files are presented to the target system. The files will be created by reading an EPROM. The EPROM will be looked up from a list of known Checksums and an appropriate file presented to the host system. a Configuration of the device can...

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    A small tool with a mini actuator That will hold a standard 3ml syringe that’ll clip in and with a draw back button and Inject button slow working but strong and battery operated

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    I need an electrical engineer that can design a DC Voltage and Current Sensor Basic Requirements: 1. Continues Amp = 5A (10A burst?) 2. Max Voltage: 65V 3. Make design easy to change parameters to allow lower or higher voltage reading 4. Sensor Output (3.3V max) must be Analog so that I can read it with arduino or teensy board 5. LOW NOISE (this is important) and VERY ACCURATE PCB Schematic mus...

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    Take 3 Eagle board and schematic files, combine them, make a nice layout and connect some pins together to make it all work. Should be simple given that I have the Eagle files for you to use.

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    Hi, I'm searching for a PCB designer who could develop a simple and easy printed circuit for a Raspberry Pi 3 A+ with some components like 2 relays, GPIO input and more stuff. Thanks

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    I need a PSCAD breaker model. I need do a library as a PSCAD schematic. The PSCAD schematic model should generate the same results of the PSCAD VCB model.

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    New Design gaming keypad + mouse.(Picture attached) Step #1 – Design the Circuit Schematic Step #2 – Design the PCB Layout Step #3 – Evaluate and Debug the Prototype Step #4 – Program the Microcontroller Step #5 – Design Computer Software/Program for Keypad and Mouse buttons remapping. Step #6 – Provide working prototype.

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    electric wiring diagram 2 dias left
    VERIFICADO

    AutoCAD wiring diagram of circuit

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    36 ofertas

    I need a tech drawing of a 110x45 mm. platform in boxform ( 18 mm. high ) with water resistant (O-ring) lid, containing space for one holder for pcb ( 40x40 mm. Place for a mechanical motion sensor ( SQ-MIN-200) on PCB, containing space for 2 pcb 15x40 mm. digital connectors pcb to pcb) and AA battery holder.

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    Trophy icon Logo Design Vector, Web Logo 12 horas left

    Hello, I need a logo for my nett shop. We will be using this logo on our website, app, flyers, banners and almost everywhere. Our goal is to sell most advanced products available in market. For inspiration I would like to refer a circuit board. Logo Tekst is: Fleekie Colors I prefer: Orange, Blue, Black. Inspired keywords for idea: Intelligence, circuit board, advanced, hightec, simple & crea...

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    Hello Freelancers, I am looking for an adhesive removal electric Pen with a chisel to heat the device for 120 degrees. Here are the features I am aiming at-: 1. Mobile phone LCD screen OCA glue remover. Easy to clean, does not hurt the screen, more convenient and safe. 2. Made from qualified material, it is reliable and durable. Designed to remove oca glue on LCD screen. 3. With professional oca...

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    stm32wb55 CR123a magnetic sensor smd button for tamper

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    Hi, I need help and advice with a DC-DC converter (Low Power <1W). Convert 15VDC (Vmin = 9.5V, Vmax = 22.5V) and typical 52mA (Imax = 60mA) to 3.3V and up to 120mA. Need a schematic solution, a prototype and a solution for high volume production with recommendations for cost effective components. In addition, there need to be a low pass filter as the source 15V also carries a signal of 1200...

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    So this project is only for some very serious Embeded system developers it involves programing of a PIC micro controller specifically PIC16f505 in C language prefered however can also be done in ASM but C would be preferred. Attached here is a picture of wiring diagram for the PIC16f505. the process is to be followed according to the circuit is:- 1): Once the device is turned on the LED_1 is on ...

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    I have developed this design as a novice with the intention of creating a white noise signal ranging from DC-1000MHz. I have been told the signal is not complex enough.. I Need the circuit to be cheap and easy to build. I Have attached my ideas and attempted to build unfortunately the amp is too small to be used on a bread board for prototyping. Open to ideas and a fresh schematic to do the same j...

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