电子 Jobs

I'm looking for a bright electrical engineer that can design a powerful but efficient ~40,000lum flashlight driver/step-up convertor that can be controlled using PWM. Input voltage: 4*18650 Battery 14.8v Driver Design: PWM control input (on/off, dim, strobe) 40mm-45mm diameter PCB Spring in the center and ground ring around it for direct contact to power (see attached pictures) Overheat, op...

I have the SDK for this camera but I need to modify it for our application. What I need is a software package that also needs to have a way to work with the stepper motor. More details will be shared to an expert. I need a freelancer who has experience in the project like this one.

You must know the android firmware related specifically for Allwinner A10. Basically, I want to get a root access to my Tablet, on which there is a custom ROM and the real issue is that even after enabling the USB debugging mode I cant get access to it. So, basically thats what you will be managing at first. Its a tablet, with allwinner A10 chip and android ICS version. What you can do - you c...

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Electrical engineer is required for calculation . Please place bid if you can start work right now. I want this task to be completed within an hour

We have a Esp32 board, which contains touch and IR Receiver, Getting Guru Meditation Error when we are trying to store previous state in EEPROM using touch and IR . Need to Solve this problem.

need an online open book exam done on a module called engineering principles. contains mechanical engineering questions and electrical engineering questions

We have an issue in that the license manager for a PADS PCB Design Software has stopped. We need to determine whether the process is running properly and remediate and test on the client.

I am thinking about creating a small physical device that can pair to a smartphone via bluetooth. This device will have a single button, so when pushed, it will interact with an app on the smartphone. I need to know the cheapest solution for this. Like what time of batteries, technologies, price, etc.

We are a contract manufacturing firm with client requiring full design , documentation and boom for a Form "D" SSR this is nothing more than form "C" except MBB ( make before break contact . with the following specification this is nothing more than form "C" except MBB ( make before break contact Design goals in order of priority : 1: >50 Amps DC minimum 2: Volta...

Merhaba, Basit bir elektronik devre tasarlanacaktır. Elimde 12V çalışan bir cihaz var. Cihazın içerisinde bir küçük bir motor var, sağa ve sola dönüyor. Aynı zamanda bilgi alınabiliyor. Cihazın 6 adet kablosu var. Şu şekildedir: 1. Ortak eksi 2. Cihaz sağ dön (artı) 3. Cihaz sol dön (artı) 4. NO 5. NC 6. COM Bir elektronik devre tasarlamak isti...

Looking for an electronic engineering company to create an intercom system using mobile technology (3g~4g). The system should be two way with battery backup for about 4 hours in case of power failure. Over and above the normal two way communication a sms will be sent to different numbers when ever there is call from the system. We should be able to program the numbers to be dialed out and sms to, ...

Looking for an electronic engineering company to create an intercom system using mobile technology (3g~4g). The system should be two way with battery backup for about 4 hours in case of power failure. Over and above the normal two way communication a sms will be sent to different numbers when ever there is call from the system. We should be able to program the numbers to be dialed out and sms to, ...

Hi, I've got a research project that consists of connecting these iot devices to an app, and will work toward building a dashboard with visualization. This job will basically be done by me, but I would need all the help I need, in the area of reviewing my project details and actual coding. The first task is to connect Arduino to a pc and configure using Sketch and code editor to perform c...

We want to have a session of 1~2 hours with a technical expert in horizontal retroreflectivity (geometries 15mt and 30mt), we will ask several questions in measurements values, portable measuring devices and available laboratories, we hope that the selected person can also answer questions about measurement optics and expected values.

Looking after someone who is good at calculating transformer core, bobin etc. Please only bid if you have good knowledge on transformer calculations and winding.

Hi! I want to convert video LVDS signal from SONY FCB-EV7520 Block Camera to USB 3.0 using FPGA board from market, for example Spartan Edge. If you have experience with FPGA and video processing, please message me.

Hi, we are looking for a robotics tutor for kids. We want them to learn robotics subject. We have some Arduino toolkit and pieces of equipment that can be used during lessons. We want to discuss further with the tutor. : Teachers who are interested can submit proposals. Thanks.

Solder electronics to a motherboard. Parts and tools will be provided. Only looking for freelancer in Selangor, Malaysia

We are paying for written application notes based on our configurable mixed signal ICs & integrated power switches. These parts are very versatile so there are many applications that they can be designed for. The application note should be a 1000-3500 word technical white paper describing an application and how it uses the part (ICs or integrated power switches). Writer will be responsible for...

Phase 1: need to read data from Tx signal (TTL) of a micro controller, dsPIC33 series display the necessary data on to an OLED display of 0.9",1.3", 2.5", 3.5" etc. Phase 2: need to interact with RX Tx signals (TTL) from a micro controller, dsPIC33 series 2 way communication Phase 3: establish cloud wifi & connectivity

making a customized key fob with passive rfid tag and readers.

Hi there...we need a PCB designed that is a variation of what you would find in a small/portable bluetooth speaker. We are not experienced in the particulars of PCB design (we are mechanical engineers) so we need to employ someone who can: -design the PCB to our size specifications (circular, around 60mm diameter) -choose the proper components to achieve our goal -work with us to arrange for PCB...

Dear Candidate, I am looking for someone that can design and engineer a golf putting training aide. Please see details below: Small unit, battery-powered (or USB) that can easily sit inside a golf bag. Can't be too big. Features of the unit: - makes a beeping noise (metronome) that can be adjusted to suit - flashing light that matches the beeping noise - random number or picture or ques...

We are looking for someone to design an build an electric vehicle charging network.

Please contact me who can do this project. Device uses F1C200s CPU based on ARM9 architecture. You have to code this by using keil IDE. My previous developer didn't solve this problem: first, he said that he can't install arm9 package on keil ide. i also checked that. second, .... Finally this device support LCD, bluetooth audio chip and wifi module. I will discuss the final cost a...

UPDATE I have received and appreciate the multiple offers received. This has maade me look more carefully at the project requirements, and indeed to purchase / assemble the proposed hardware - to see what works and what doesnt. There's no point writing code for a platform that can't deiver, and i'm hoping to prove the hardware in the next few pandemic weeks. As it gets closer, I...

Build a mining machine for Cryptency solution HW , SW mecanical also give prototype

FPGA Based Real-Time Selective Harmonic Elimination for Multi-Level Inverters for more details contact me

I need help wiring it. It is something very basic, but ï do not know how to do it. It is use to help artist draw and trace. I lived in USA san Francisco.

Need to configure an Omron PLC for my machine

I currently have Laser Diode Driver, and I am going to build my own board for it. The max current output will be 40-45 amps, and the input will be 24V DC. This board will include 3 TEC drivers 10A, 5A, 5A. For the DC converter, I have a specific component in mind, it will be Vicor component. I will share details to the right candidate. Schematic design is urgent, so please contact me. Thank you

I need someone to design a solution for a battery-powered fog machine that can be embedded inside a store display. The fog machine also requires a large reservoir, so that fog can be emitted throughout the day. Design priorities - safety, compatible with standard fog fluid, battery able to last at least 8 hours with intermittent fog emission. The fog machine will be controlled by a microcontrol...

my project is ready but there is an error which observer can not converge in some cases

Bootloader, device-tree, and linux customisation and compilation.

I am looking for a creative engineer who can find a solution to be able to generate 5v and 20mAh for battery storage using kinetic power. Dimensions need to be L4cm, W1.5cm, H0.7cm

would like firmware for arduino leonardo or Arduino Pro Micro or ATmega32U4 wrote to act as custom hid device for the neogeo mini to emulate the controller joystick and buttons. requirements neogeo mini arcade Arduino board

I have a project in mind but would like to understand the basics of Arduino. I would like to do a small project with the help of a more experienced person. Happy to pay £15/hour. Ideally it would be good to do this in person. I live in central London. Usually either in Earls Court or Chiswick.

we are developing an iot device. need development and design services

Hello freelancers, I am looking for expert in schneider PLC

I am looking for an aeronautical law expert who can provide best quality work

Need someone from Pakistan who can tell where to get PCB's manufactured in Pakistan and also who knows where to get 3d printer in Pakistan

Use of a 12V SLA Battery to charge a 450V 2700uF Capacitor with a 45V-390V ZVS Capacitor Charging Module to fire an Electromagnetic Solenoid using Arduino with a MOS Driver Module IRF520. I want to use: Arduino and use the full capacity of the Capacitor. Standard 5V relays (with Arduino) only go to 250V. Instead I have the MOS Driver. Problem is I don't know how to connect the Charger + Cap ...

Build a mining machine for Cryptency solution HW , SW mecanical also give prototype

I am looking for an expert in PIC18F. Who is the best person to use MPLAB

I need a design for a connection between RTU and some devices. I have a small project consistingof 12 Motorized valve, 3 Flow meter, 3 Flow control valve and 5 RTU.

HI Please read the project well before an answer. I want a snake game on my KIT. So please read a project well. I want to play a game on my STARTER KIT PIC18F46J50. Who is the best person to use MPLAB

I've a small project consists of 12 Motorized valve, 3 Flow meter, 3 Flow control valve and 5 RTU. I need a design for the attached drawings shows the connections between the RTU and the devices. which kind of cables I've to provide. Is there a power source required for each device Any missing devices we've to add Full details. This project is just an extension. If you can help me...

I am looking for an electronic design using 'minimalistic components' to improve battery balancing. The circuit will be embedded inside the battery with not more than one communication cable between the batteries. 1. The balancing should work both series and parallel connected batteries / battery strings. 2. The battery current has built in sensors for current and voltage. 3. The ...

There is : 1 no Friendlyarm K1-Plus(Running OS FriendlyCore( based on UbuntuCore-16.04 ), [登录来查看链接]) 1 no Waveshare 2-CH-RS485-HAT([登录来查看链接]) Requirement: 1. To configure SPI in K1-Plus and Communicate with the HAT 2. To do a sample c program to communicate both RS485 Ports 3. To write a shell script to configure for the requirement 1