12v battery charging circuitemplois

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    25,025 12v battery charging circuit travaux trouvés au tarif de EUR

    Hi, 1. I want a professional engineer to design a battery charging circuit with all the protection circuits (overcurrent, overvoltage, overdischarge, cut-off, shortcircuit, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it. 3. I would to ...

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    Build a PCB 5 jours left

    I need a LED matrix PCB done with RGB, it must be controlled by Xbee and Arduino. I have done an initial layout. There is not much work left beside to check the circuit and intrgate the pins of the arduino and xbee as well and check the circuit is complaint. I will need the eagle schematics when done.

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    10 offres
    LTspice circuit 5 jours left
    VERIFIÉ

    I need to do an LTspice circuit

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    3 offres
    Trophy icon New logo for Charge IT 1 jour left

    A car charging point installation company that i work for, Surrey Charging, [se connecter pour voir l'URL], is rebranding as ChargeIT, so i need a new logo.

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    245 propositions

    We sell Electrical automation products including, WiFi Circuit breakers; RF Wireless light times; Wireless Water heater Controllers; etc.... We are looking for someone who has solid online experience selling electrical equipment who is able to list our products on various online platform in Canada, USA, North America, Middle East and Africa. The main payment will be commissions of up to 20% of ev...

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    ADXL354 MKR1000 5 jours left

    The Brief Equipment Mkr1000(Arduino) Ads1256 (Texas instruments) Outcome required Ratiometric analog to digital converter ADS1256 will send SPI protocol data to MKR1000 and can be recorded from a uart connection from the MKR1000 to a PC. The sample rate must be variable but will need to also be able to reach full speed of the ADS1256 which is 30Ksps and will be required for 4 channels of input fro...

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    Trophy icon Logo for Next-gen Robotics company 12 jours left

    Mobian Dynamics is a new company out of Melbourne, Australia. We are a tech startup looking to bring dynamic automation to industry verticals. We make mundane processes easier through AI and smart electronic control systems, along with an intelligent orchestration layer for complex systems. Work with us to build a logo and branding scheme that shouts "next generation dynamic automation&quo...

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    €156
    265 propositions

    I'm looking to design a prototype for a smart device that i would like to patent and sell. I first need to develop the device. The device would need to an instrument to either make a liquid measurement and/or take the weight of the over product. The device would also need to report back the battery life. periodically. Each measurement would need to come online and post to an api for data ...

    €45 / hr (Avg Bid)
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    A variable DC input battery bank 24 v to 400v DC input to constant output 415v, 50hz, 3 phase output grid connecting Inverter of capability 5 kva. The input source suitable for battery bank and or solar of variable input

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    I have a project involving GPS trackers for elderly. Will like app built to monitor these devices and become an interface for changing parameters

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    54 offres

    Hi, I need to emulate a crystal oscillator circuit (attached) based on wave digital filter (WDF). Basically we aim to have WDF emulation that match a Spice simulation (e.g. in Cadence). I Already have the circuit simulated in Cadence (the output attached) . Attached, my circuit (Crystal Oscillator) schematic that needs to be mapped to WDF along with its output waveform, you will notice that there ...

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    I have a machine use for test PCB(Printed Circuit Board). Now, machine is running on old technology in WinXP. I want someone who can develop software for my machine using RPA or python technology.

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    PLEASE, for the love of god, read through the description. This is a very specific niche! The client's website is [se connecter pour voir l'URL] Feel free to browse through their blog at [se connecter pour voir l'URL] to see the kind of topics we generally cover. This is a technical subject so we'd strongly prefer someone with a suitable background. We're hoping you'...

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    The client's website is [se connecter pour voir l'URL] Feel free to browse through their blog at [se connecter pour voir l'URL] to see the kind of topics we generally cover. This is a technical subject so we'd strongly prefer someone with a suitable background. We're hoping you'll be able to research and come up with title ideas. We're a little limited pay-wise,...

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    Need reliable constant current LED COB and SMD driver circuit + PCB + Finally Manufactured for 100w, 200w, 400w and 600w. I wanted Mechanical Enclosures also designed for those LED. Description of Circuit + PCB + Testing + Manufacture: - You have to design separate PCB's for COB version and SMD Version - COB Version has 100w, 200w, 400w and 600w. - SMD Version has 100w only. - Both COB and S...

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    Need reliable constant current LED COB and SMD driver circuit + PCB + Finally Manufactured for 100w, 200w, 400w and 600w. I wanted Mechanical Enclosures also designed for those LED. Description of Circuit + PCB + Testing + Manufacture: - You have to design separate PCB's for COB version and SMD Version - COB Version has 100w, 200w, 400w and 600w. - SMD Version has 100w only. - Both COB...

    €805 (Avg Bid)
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    Must be Sydney based I'm looking to develop 2 similar projects using a Raspberry Pi and looking for a programmer with experience with h.264 encoding, VLC, RTSP network streaming, Wifi configuration. 1. News Gathering system - RPi running Android Using a number of existing apps to stream HDSDI video over bonded 4G connections. I have this project already working with a Galaxy 8+ but the l...

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    Need a circuit for a bicycle tail light. Operated by one push button. Low battery consumption. Led Output max 1A 5 different flashing brightness & speed settings

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    Create a Custom Software 3 jours left
    VERIFIÉ

    We are a custom bag and case manufacturer We are looking for software that we should be able to design there cases and bags with any material and fabric color, also choose add-ons like pockets, zippers, and handles 1. We will need for this job a programmer and designer to create our bags and cases (we will have more than 50 styles to select) and all elements(mesh pockets, zippers, and handles...

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    I need some changes in already build circuit of device. you have to do circuit level programming and you have to change information.

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    We are designing an electric vehicle charging station. Whilst we have electrical engineering skills and software skills, and we are using off-the-shelf components for the DC power work, we require ad-hoc consultancy and project technical support from an experienced DC Power Engineer in order to check our workings. We typically would require an hour or two of work at a time, usually via email or a ...

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    Tanks Calibration System System Working: The Tank Calibration Unit constitutes of a Microprocessor to process all the data and simulate commands; powered with rechargeable battery, with minimum 12 hours backup; 2 line LCD to display both Level and Volume simultaneously; Keys (may be 4) to operate / configure it; one relay Output to control the pump; one Wireless module to communicate with Lev...

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    Local
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    I need an Android app. I would like it designed and built. also i need with it electronic input circuit or use wifi or Bluetooth whichever. no problem. there are 4 switches. pressing one displays a different picture on the tablet

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    It's not easy as it's title. I want to make one wireless charging device which use to charge 3.6V button cell. Condition are:- Dimensions for receiver 20*20*5 mm. This button cell (300mAh 3.6V) should be mounted on that device (receiver). This device (receiver) should charge this cell. No dimensions for transmitter. You can build transmitter as you want. But receiver should be in giv...

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    micro wi-fi camera 2 jours left
    VERIFIÉ

    Hi, we would like to start to produce small cameras. Cameras should have maximum filed of view. They should be with "micro" size and weight. To have battery on board able to run it for up to 4 hours. To have LED lights. To have bluetooth or wi-fi. We think that use of omnivision CameraCubeChip will be ideal.

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    PCB design & Prototype 2 jours left
    VERIFIÉ

    I want to design PCB, prototype the board with ESP32+LCD+Wireless charging circuit. Please bid only if you have experienced in these fields. I will accept only the PCB Designer & prototype expert in China.

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    search manufacturer 2 jours left
    VERIFIÉ

    I want 3 manufacturing options in China of these measuring stations with unit price for 10 stations with the following features: wifi connection, rechargeable battery for usb and internal storage of information for 10 days.

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    3 offres
    manufacture measuring stations 2 jours left
    VERIFIÉ

    I want 3 manufacturing options in China of these measuring stations with unit price for 10 stations with the following features: wifi connection, rechargeable battery for usb and internal storage of information for 10 days.

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    We require a video that will showcase our mobile application (it's an application for roadside assistance - towing services, battery boost/replacement, lock out, car wash, fuel delivery etc): I. BUSINESS PROVIDER/PARTNER a. How it will increase their profit in addition to their normal business operations b. Ease of Joining c. Ease of Use II. CUSTOMERS/MOTORIST a. Convenience of having an a...

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    I need someone who is well versed with STM32F4 series. I have to program a custom made PCB with an on board STM32F407VGT6 (100 pin package), the details of which will be discussed in personal chat with bidders. A similar type of PCB was programmed before this by my superior so some of the modules are already ready, and 2 others need to be programmed. For example: The ADC needs to work in simulta...

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    GPS Server Traccar.org 2 jours left
    VERIFIÉ

    We have a server that is from [se connecter pour voir l'URL] and we have made a connection between this server and our loginportal that we are using for our clients to follow gps devices and itts working. There are only small thing that are nog working good like parameters of battery sensor and timezone between the server and loginportal. Only please someone with experience and done this b...

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    Pcb Design 1 jour left

    Product is minimum sized portable digital radio , Units to be inculuded are lipo battery (minimum 6 hours lasts ), battery charger , digital radio tea5767 , headset output , minimal chip which you offer (low energy consume is important), volume up , volume down , search up , search down , on/off switch , micro usb input for charge . Headset cable can be used as anten or anten out is pin out, store...

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    Want to make circuit with home automation light fr my house

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    8 offres

    Want to make circuit with home automation light fr my house

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    I need a writer 1 jour left

    We make quality battery charger and batteries for the vape industry. Now we need some minority language writers to work for us, such as Spanish, Italian, Russian, German, French and Japanese, etc. We will give you some keywords and the description of the products to you then you write an articles. Of course, pictures are provided. If necessary, we can send you a sample for reference. This is ou...

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    I need someone to design a circuit with 4 switches that will display 4 images on a tab when each one is pressed.

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    I need to measure AC current passing throw the circuit breaker up to 100 A by using 3 winding on the 3 phase. each winding in one phase. max current in primary is 100 A and max current in secondary is 2 A. I need the following things: 1- what is the turn ratio. 2- how the winding connected with the current sensor ACS712 you can see the data sheet attached. 3- I know how connect the sensor to the m...

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    Hello all! I need your help to read data from my MPP-Solar inverter. My goal is to close a relay when battery capacity is under 70% and open back when battery capacity is 100%. The relay is connected with a power generator. I would also like to display some data on an LCD screen My hardware setup is an Arduino Mega connected throw serial1 to a MAX3232 module which is connected to the inverter&#...

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    I have a client who sells Tires, batteries, and auto repairs at several locations and every month they do a benefit to support a different charity. They donate $1 of every oil change to the chosen charity for that month. They call IT "WE DRIVE THE CHANGE". They have a section that goes out on their flyer every month in relation to this great cause. They are in need of a LOGO for the ...

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    low wattery 1 jour left

    the people care about their battery but they are not care about the water. so i want to show them the earth waters are necessary.

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    I am looking for someone with a good amount of experience in Java to help me make an existing GUI application run headlessly (i.e. from a terminal window with no need for X11 etc.). The applicaiton is called 'FreeRouting' and it can be downloaded from GitHub here: [se connecter pour voir l'URL] It is an application for automatically routing traces on a Printed Circuit Board (PCB)....

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    I have a new business and a website. I want to Implement into my site a quick and easy way for customers to write text and upload photos that I will print out and mail for them. I Wil be charging them for this service. I have a host (in motion hosting).. I have setup woo commerce but I will change it for whatever works with what I'm trying to accomplish. . 1st the user should be required to ...

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    Trophy icon Design flyer for BNA battery 1 jour left

    We are a new company in the market and we want to let potential customers know ‘we are existing’. We want to design a flyer to share on the street or put it on the cars of hybrid drivers, where they can see our start price and general branch cars (Toyota, Lexus, Honda). We have a website where you can use everything to make a good flyer. [se connecter pour voir l'URL] We want ...

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    I'm the founder of a startup in Edinburgh. Over the last 3 years I've worked alone developing a multi-speed gearbox for ebikes. For a number of years I have also been developing a design concept: a small, low drag & lightweight 2 seat battery powered EV. The goal: to develop an affordable (£10-15k MSRP) mode of transport which achieves ultra low kWh/km compared to existing EV...

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    I want to publish a paper in the field of memristors for international Journal with good impact factor. I have attached some data below to make idea clear. Some papers are in chinese language but ignore the stuff and just focus on their abstract.

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    Design Circuit and PCB for RF PA 13 heures left
    VERIFIÉ

    Looking to develop circuit for RF PA chip SKY66291-11 Datasheet is attached in description.

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    Our technology allows opening doors using just face recognition. We want to design a small IoT device that can listen to unlock commands from the API, once a person in authenticated, and unlock doors, either through an electrified relay or through a wired connection to an access control panel, which uses Weigand protocol for receiving RFID badge reader data. I am looking to build an IoT device th...

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    Schematic design for NRF52 6 heures left
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    Hi, I am looking for a low-cost hardware design expert to design a circuit(schematic). The device is based on NRF52 with multiple sensors and interfaces for memory and RTC chip. Design a simple PCB board.

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    This project included full electrical design and materials take-off of 11 flats, communal area and small commercial unit. The design must be to the current UK standards and include typical cable runs, distribution board layouts and full cable sizes. A project-specific specification will also be required based on the generic M&E specification provided. As part of the milestone agreement I shal...

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    The processor is currently on the Audi brand of machines, is located in the windscreen-wiper control systems from 2004-2015. Required features: - We need to rewrite 72F561K9TC chip program or correct the existing one; - we know window mechanism algorithm; - We want to replace the existing processor program or make new one; - We can measure ambient signals; - We can design the ...

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