Battery charging switchover trabalhos

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    15,035 battery charging switchover trabalhos encontrados, preços em USD

    hello. how are you? I want rechargeable driver for LED light. Battery is Lithium ION Battery. I want 9V battery. Output is 20W and voltage is 28~32v, current is 600mA. Protect circuit must be configured. When battery is not charged, it must be charged. and it must be operated in DC mode. if Battery is fulled, it must be cut off. and if DC mode is occurred, it must be switched with battery ...

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    Electric vehicle charging station project designing: a) With 3D view. b) Lump sum total budget run on electricity. c) Lump sum total budget run on Solar System. d) Land and other requirement.

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    Proper exercise (Asanas) Enhances the flexibility of the joints, muscles, tendons and ligaments. The asanas improve circulation, massage the internal organs and improve organ function. A flexible and strong spine enhances blood circulation and keeps the body young and powerful. 2. Proper breathing (Pranayama) Connects the body to its battery, the solar plexus, which is an enormous reservoir o...

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    I NEED PEOPLE WHO HAVE ALREADY COMPLETED PROJECTS IN FIVEM GTA V AND EXPERIENCE !! PRICE TO NEGOTIATE !!!!! I NEED THESE SCRIPTS BELOW 1 - When you are in jail serving a sentence, have something to do to reduce the penalty 2 - When you are in the dp cell and there is already a miscreant doing rp cm a pm n da to do also even being in a different cell because of the other cell's speech there mo...

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    I have an existing small project that need some changes now and in the future. It's a small pcb design with esp8266 and some other passive and active components running on battery. Not much job, but if you are doing good, i will be offering more bigger projects.

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    matlab code to find the optimal size and capacities of the component of PV,wind,fuel cell,battery microgrid.

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    BMS Circuit Design Encerrado left

    I want to to build a battery of 36V 50AH capacity using lithium ion cells. Looking for designer to complete efficicnt BMS design of required cell series. Designer is also expected to source the affordable components from sellers.

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    Cleaner All Encerrado left

    I need an Android app. I would like it designed and built. App should contain following elements. Amazing and creative UI and Animation (no copy) animation of all programetically android activity design and all module -junk clean -battery saver -cpu cooler -app lock -power booster(which you can give me your coder) -applock -whatspp cleaner -app manager -scan and list of apks and delete optio...

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    The PCB has to be tiny enough to charge to handle multi task about to charge with all safeties and amplifying the out coming the sound.

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    1- special machine learning coding for battery management1- special machine learning coding for battery management At least 2 years experience in ML background with batteries are preferable This will be big step forward for future in batteries

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    I have to design a hybrid tri-renewable (pv,wind wave) battery storage system connected with off-grid AC load and DC load in matlab simulink. Also need the operation and control. I need simulation and thesis'

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    I am also looking for a GOOD VRP 0.5 PROGRAMMER Full Details - when in jail serving a sentence, have something to do to lessen the penalty - When you are in the dp cell and there is already a miscreant doing rp cm a pm n da to do also even being in a different cell because of the other cell's speech there most of the time we have to wait to finish an rp to start another yet more boring it is ...

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    PCB board design Encerrado left

    I want a circuit board design (all in one): - to charge 3 x 18650 lithium battery in series using power supply - voltage from these three batteries can be step up or step down (buck boost circuit) 5-35V - another circuit for 2 x NPN or 2 x PNP outputs

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    1. System: Windows (10, Server 2016) 2. Task: Write a script: System automatically sends an email to designated account whenever the computer switches power supply from AC to battery or vice versa. 3. Reference: Script to make system automatically send an email when it boots: [fazer login para ver a URL]

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    1. System: Windows (10, Server 2016) 2. Task: Write a script: System automatically sends an email to designated account whenever the computer switches power supply from AC to battery or vice versa. 3. Reference: Script to make system automatically send an email when it boots: [fazer login para ver a URL]

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    Hoping we can add this 9/1 ceremony in, there are 63 images total to be retouched. Hoping we can still get the additional 10 in an artistic style, so a total of 73. Hoping you would feel okay about charging $55? If not please let us know what would be a fair amount.

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    Day Counter - Design a pcb with display and inbuilt battery. One button for Start/Reset The display should show 1 on start and the count should increase by 1 for every 24 hours. It has to stop at [fazer login para ver a URL] upon pressing Reset should start from 1 again. The battery should last for 2 years Dimensions : Length : 3 - 4cm Width : 1 - 1.5cm Smaller the better

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    Build Android app Encerrado left

    App with local database , use camera for read barcode of product and return new page with factory date and expiration date on drowing things like battery . So i need page for add product data.

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    I am looking for some one who can help me designing below ->Low power - should be able to run on 20000 mah battery for a week. ->able to control 8*8relays (at least 32 relays) ->GSM/GPRS SIM 800l or similar ->battery charging based on solar panel -> battery level reading capability

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    A 10 digit second countdown clock made with bright elements programmed in Arduino. Needs to be battery-operated connecte to a USB battery adapter for easy interchangeability and a backup battery for lifetime memory for countdown. Materials will be paid separately.

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    Hi, I am designing a pressure indicator with the accuracy better than 0.02% of FSR. Below is the attached circuit. Someone has to carefully check the complete circuit with selection of components. Need to alter the circuit with overvoltage, overcurrent, reverse battery protection, EMC, etc. Need to alter battery indication circuit with protection which is connected to PIN A0 of micrcontroller an...

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    Seeking a freelancer to design our project. We wish to take readily available scales the have BLE 4.0 and leverage the new BLE 5.0 protocol to implement the mesh and beacon abilities within the product development. The scales we have access too, already have the ability to send weight we want to add temperature and battery/charger voltage to be sent to an app we want to develop. The micro-cont...

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    Needs to hire 3 Freelancers I'm looking for a serious programmer with experience in developing Android applications. I want to develop a Android Monitoring SpyApp. I would like to hear your proposals. Here is a example: [fazer login para ver a URL] The spy software application must be able to: Phone Call recording Phone Call Interception * Spycall * Environment recording Facebook Call Recor...

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    I need a new website for my existing php website current website: [fazer login para ver a URL] i want one like this one: [fazer login para ver a URL] Requirements 1. I will not pay if i don't see a final demo from your server before you send me request you have to agree to this if not i won't hire. 2. Every image needs to be optimized for speed and google friendly 3. SEO cont...

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    Need the following: 1. Review our existing server settings 2. Enable to push data to our own servers (Battery voltag, GPS data) 3. Ensure Distance travelled calculation is right and in sync with actual data 4. Ensure Odometer reading and GPS readings are correct 5. Report of the fields per device per trip - Battery start voltage, battery end voltage, GPS start, GPS end, Distance travelled 6. Noti...

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    I have a prototype of a heated massage tool. Right now its running on a vape battery. Takes about a couple hours to charge. Then when turned on it stays hot all day, oscillating from around 130-115 degrees. I am needing a high low switch put in. Maybe adding another battery to get the lower temp up. Im working with a mechanical engineer so just need someone to work with him on the electrical part....

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    I want a rear view camera for my track car that will constantly "live stream" the footage from a camera that is facing to the rear of the car to a display screen that is mounted in the cockpit - essentially being the tech equivalent of the conventional rear view camera. It needs to be a standalone system, simply plug it in to a 12V feed from the car's battery and it will work. I&...

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    Logo Designer Encerrado left

    Need modern slick Logo for Valet company. Attached is sample. Services are charging cable, washing, parking.

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    shopify store setup Encerrado left

    I want to start dropshipping store in shopify, could you help me for setup my store, what is you charging this project. please let me know

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    Thank you for viewing our project. We are Japanese electronic company and our main product is power bank and some other charging devices for phones. We come up with a concept of Phone Box that can lock up your phone for the certian time to avoid using it while studying or working something when you need to some concentration. The design A pictures attached from another company, and the ...

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    Thank you for viewing our project. We are Japanese electronic company and our main product is power bank and some other charging devices for phones. We come up with a concept of Phone Box that can lock up your phone for the certian time to avoid using it while studying or working something when you need to some concentration. The design A pictures attached from another company, and the design...

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    design pcb Encerrado left

    Design PCB for Laird BL652 chip with temperature sensor (MLX90615) and rgb led (neopixel) and battery + charging cirquit (micro-usb) (and if possible also program the chip via usb). The sensor and led need to be on a seperate board, connected with small cable (+/- 60mm distance). Goal is to make a wearable for artistic/scientic research. First make 1-5 test PCB’s by your design, if everyth...

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    Location service Encerrado left

    Greetings, We are a company in software development but never worked with location services. So now we are making a application for our customer containing location service where every 40 seconds this service should be called and stay active till it reaches a accuarcy of <10 after that it should turn it off for 40 seconds and repeat. But the way we do it right now it stays active without d...

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    I have a product design which requires electronic circuit. I will provide the specific output and inputs i require from this device. It is a mix of networking device and charging device.

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    android apk app Encerrado left

    Ios and android Application and build web site : web site project-spy phone 1- web site will need to be fully responsive website for you which is working on tablet, ipad, desktop etc. also is need to be same view and different design as [fazer login para ver a URL] on mobile plz see it on mobile .the web site need to be built on asp.net ... 2- Will provide me admin dashboard for this website ...

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    chrisscoleman Encerrado left

    1 Semiconductor fingerprint sensor 2 Intelligent update function of fingerprint information,Constantly learn and store user new fingerprint information. 3 Rated voltage:4-8 pcs batteries power supply Have a external power interface(DC-5V;Micro USB interface) 4 There are 1 buttons on the back of the door battery box:Initialization(Resume out of the factory)Key.

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    I have done many projects on after effects for my college club and willing to work for you. I will be charging less pay as i am college student. Thankyou!

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    I need two simple (!) Arduino C++ sketches; the first sketch is for an Arduino Mini Pro (Atmega 328P, 8 MHz, 3.3 V) connected to a Lora Hope RFM95W radio module (915 MHz) and with 3-wire capacitative water sensor connected to the Mini Pro A0 pin (+Vcc 3.3 V + GND). The sketch for the Mini Pro must sense once each day (to save battery) the presence of water at the connected water sensor and then se...

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    Build IOT device to monitor temperature and position. For the first prototype, use comercial board (like Arduino, Linkit One, ESP, etc) with - DS18B20 temperature sensor - GPS - GSM/3G to send data - WiFi (optional) - Battery Data will be send to our server, we could discuss best way and the periodic to send it (better battery life versus accuracy)

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    during day it should charge from solar with first [fazer login para ver a URL] absence of solar it should charge from [fazer login para ver a URL] will be 12v dc 3a motor.

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    Accelerometer Based on ESP8266 and GY-521 module (MPU-6050) --> Measure acceleration on X,Y,Z - Configure full scale range (+- 2g,+- 4g,+- 8g,+- 16g) via MQTT command - Configure MPU-6050 filter via MQTT command - Select MPU-6050 Sample rate via MQTT command --> Stream Accelerometer data via MQTT to Mosquitto broker (current version) - Activate streaming on fulfillment of a condition...

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    ESP8266 Audio Player Encerrado left

    ESP8266 Audio Interfacing Circuit Hardware Requirement:  ESP8266 controller (model 12F with 4 MB flash) dev board  8 ohm 0.5 Watt Speaker or 6.5 ohm 1W speaker to drive for mono audio file  Speaker interfacing circuit PCB to be developed (working with dev board via few jumper wires) PWM signal to be used and not I2S ....  Supply Voltage will be 3.7V from battery, no 5V will be available.. Soft...

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    My company is specified in battery charger, flashlight and batter. I want to hire someone to write six articles.

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    HI, I have a old MACbook pro. The hard disk of this is SATA. Recently the HD crashed and I have changed the HD. Now to load a new OS, I have lost the OS x DVD. When using Internet recovery, I get the attached message. Serial number of the MAC is in the attached image. I need a solution so I can use this MAC.I am OK with any OS, windows will be ideal, however any UBANTU or any GUI linux is OK, I ...

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    We have developed 2 apps which are available on google play store and app store. We want to test it using testing software the following: - Functional testing . - Laboratory testing. - Performance testing - check the performance and behavior of the application under low battery, bad network coverage, low available memory, simultaneous access to the application’s server by several users and ...

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    I am looking for someone with a great portfolio to create art for 45 ship modules in our Sci Fi Space Game. This is 2-D Art that will be displayed to show what the module is. For example one of the modules is called "Capacitor Battery" and it increases the capacitor capacity so we would need you to create artwork showing what that would look like. It might be a batter or some sort of en...

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    I would like to have the complete database of all ebikes for sale in Europe. The source can be this site ([fazer login para ver a URL]) through the activity of scraping. Info: brand, model, characteristics (engine, battery, autonomy, price...)

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    Bluetooth PCB board Encerrado left

    YOU NEED TO SEND 3 Fully working prototypes, Schemetics, PCB layout , Bill of materials, using EagleCAD software. PRODUCTION COST should be AS LOW AS POSSIBLE , with low power consumption The Project is to Make Bluetooth device (20mmX30mm) with the following spec: Bluetooth device that takes 2 CONTROL variables 1- Renaming Bluetooth AT commands 2- Saving command characters in ROM Programmi...

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