Circuit Design jobs

I need assistance to write out a detailed description of an electrical process. This description is like explaining the details of how electricity conducts itself under different circumstances. The product we are describing sends a transmission from a 4G or 5G cell tower to a panel in the building which sends the signal to devices on the refrigeration units and the air conditioning units in a bus...

I want a person who is expert in the field of programming and he should know how to write a code which includes intruppts . The code will be extremely simple compare some inputs , initialise a switch as intruppt and job is done . JOB WILL BE GIVEN TO THE PERSON WHO CAN DO THIS FAST AND HAS A GOOD KNOWLEDGE ON THE SUBJECT

We have a small prototype circuit (~30 components) based on the ATtiny85 designed in KiCAD and prototyped using a Digispark. Major functionality is incoming power conversion (75v -> 5v), incoming voltage measurement, and current dump into a resistor network controlled by the ATtiny. Project scope is development of a BOM of SMD components based on the schematic and layout of a two-layer PCB. Sco...

I have to design and manufacturing the box to be capable to control the conditioner. Please discuss me how to make it. Thank you

Design, analysis, and calculation of filter design, RF power amplifier, a matching network (IMN & OMN) using smith chart, antenna matching, power calculation, Free space path loss (FSPL) estimate from Transmitter system to the receiver device, layout considerations, practical components selection and complete circuit design.

I need a PCB designer who is experienced and have some experience in dealing with ESP32. I have a complete PCB design which is working however i need some modifications on them. I can share the modifications and it shouldnt be huge work as its only modifying few things as other things are already done. Currently the design is done in Altium so you should be proficient with Altium designer. After m...

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 SIlego part. Writer will be responsible for generating the content ...

I need someone to create a Gerber file for a prototype, two-sided PCB. I have drawing files (CorelDraw/EPS/SVG) of what I want. I uploaded a PDF for a general idea.

i need to design pcb for my project. i need output in gerber file.

i will explain via chatting. if you are available

Help with a few questions on VHDL

I am seeking an electrical engineer to design an induction coil. Looking to make a larger induction coil for charging cell phone and other mobile devices on the Qi standard. The induction coil design will be larger than traditional pads or chargers.

I have a PCB which requires Step down voltage from 18VDC to 12DC I have used DC-DC convertor . Xp Power Model JCM3012S12 . But i am getting excess Ripple which is effecting Voltage OpAmp Voltage inputs to ADC. I need Help With design of a Noise Ripple Filter to remove this Noise . This Can be in Hardware filter or Software filter ie DSP or Both . I dont expect the freelancer to build the Fil...

Dimensions 4-8"L x 4-8"W x 1-2"H (Housing, as small as components inside allow) as small as it can be (proximity sensor) Housing Plastic 94V-0 Air Inlet 1/2" ID Air Outlet 1/2" ID Power 120/220V Blower Centrifugal air flow, impedance protection, reverse polarity protection Features ON...

Making a custom wireless alarm clock. Would like a circuit diagram and custom PCB board made. Main alarm clock components include lcd screen, rechargeable battery, micro usb charge port, buttons, and vibrating motor for alarm.

I will send information regarding kVA of equipment and I will need you to estimate 4 transformers size and fuse sizes.

Pnuematic piston positioning must be programmed to work via analog linear scale and all HMI functions that integtrate with it and the machine.

Raspberry PI Circuit board DC to DC power Design, build and test. 1.I need to power a raspberry PI/ SBC [single board computer] computer with a 6v- 18v solar panel 2. Load is 5v and 2.4A. 3. Source is a Solar panel charger 6v to 18v , with a charge controller for the battery. 4. Battery spec is LEAD ACID batteries or Lithium NOTE; -Design, build and deliver. -This is an NDA turnkey projec...

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Hello, We are looking for an experienced freelancer to design for manufacturing an existing product prototype. We have several working versions of our system. Our system is too costly to produce, we need to work on the design to reduce the BOM cost. The project goal is to reach a defined BOM value on the website [login to view URL] The job consists in: _Architecture selection _Microcontroller...

We are looking for PCB and Schematic Diagram Designers adept at using Altium Designer. State in your proposal the complexity of the PCB designs that you have worked on, the applications that you have designed schematics for, as well as your hands-on experience in practising DFM / DFA. Begin your proposal with the words "Substrate" or " Track". You will be expected to work along...

I PCB controller with capacitance touch screen that will control functions in a display mode. i will send you a schematic to lay out PCB which will have just top and bottom traces per schematic. The board can be three layers. envelope size of board must be 3 x 4 inches with micro USB to load software which we will do. You lay board out to schematic and use parts that will be supplied as well i...

Hi Am looking to design a retrievable very long range weather balloon, GPS monitored with valve to stabilise and remote deflating with recovery of photography equipment On-going project, must have experience Will start with small report explaining everything

We have a raspberry pi 3 implementation/prototype and want it to be taken to a custom board.

Based on my documents, I want you to have my past university student electronic circuit design and simulation project reproduced in Cadence Virtuoso. It is a minimalist project, about 5 parts. You should have knowledge of Cadence Virtuoso 6 software. The electrical circuit in Cadence Virtuoso is using 350 nm (0.35um) Technology design kit. The schematics, simulations, and layout will be provided o...

হাই Ramnath N., আমি আপনার প্রোফাইল দেখেছি এবং আপনাকে আমার প্রকল্পটি প্রদান করতে চাই। চ্যাট-এর মাধ্যমে আমরা বিস্তারিত আলোচনা করতে পারি।

Hi Daniel S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

Need A water TDS meter Circuit. more detail on project discussion.

You are required to design a op-amp (operational amplifier)based circuit design. I need it in 28 hours maximum.

We are looking for developing the prototype (Can be Arduino) & firmware of the electronic control section in our machine development. All component cost will be taken by us. Unit will have a 7 inch capacitive touch screen, 5 servo motors, 3 electro magnetic solenoid & 1 colour sensor.

We are looking for developing the prototype (Can be Arduino) & firmware of the electronic control section in our machine development. All component cost will be taken by us. Unit will have a 7 inch capacitive touch screen, 5 servo motors, 3 electro magnetic solenoid & 1 colour sensor.

We are looking for developing the prototype & firmware of the electronic control section in our machine development. Unit will have a 7 inch capacitive touch screen, servo motors & sensors.

We are looking for developing the prototype & firmware of the electronic control section in our machine development. Unit will have a 7 inch capacitive touch screen, servo motors & sensors.

We need someone to create a finished prototype for a smart wifi display card with Nano Technology circuit. The card must be near to the size of a business card (3.5 x 2 inches). Thickness should be 3-5 mm or (Half Centimeter thick). Card will be connected wirelessly to wifi and will display colored images coming from a remote server. Server side is our duty and we will provide all information for ...

I need a 12v/50w LED driver to be powered (via PoE) and controlled via TCP/IP. The driver needs to be able to check status of the LED light fitting (on/off) and also be able to dim the fitting.

This is Dinesh KS from Synergy circuits PVT LTD. (HBR Layout -Bangalore) We required your support to do the simulations in HyperLynx software, frequency response, eye diagram, S-Parameter extraction, Insertion loss, return loss, Signal integrity etc , So needs to support from our locations We will start this project within few days, but right now we don’t have input from client side, B...

Need a pcb design with BOM for a raspberry compute module 3 lite, that will be used in a manufacturing environment as an IOT gateway. The design must include: - 16Gb eMMC - Wifi - Bluetooth - Ethernet connection - Power supply - LED's (energy, indications) - push button for factory reset. We develop software solutions, so we dont have the knowledge of standards or other needs f...

We are looking for developing the prototype of the electronic control section in our machine development.

I need a 50V 40W isolated DC to DC converter for a PSE POE product. Input voltage from +5V to +32V, it should be >85% efficient and use a stock available transformer (Coilcraft, Pulse, Digi-Key, Mouser, etc.)

We want PCB circuit designed and developed for our product which is related to payment system

We need a schematic circuit design and development of our product which is involved in a payment system.

Hello, I want to hire an electronics engineer who can design a wired network which can multiplex data over power. The network has to transfer data on 2 wires only which are also used for power . The voltage is fixed at +24V DC . The data rate can be approximately 1Mbps. Interested candidates mention the technology they want to use for the project. See the attached file for more clarity

should be able to do circuits from equation do not expect payment first once answers are correct payments will be released. Will have two circuit questions.

Final product expected at completion of this project is: There are two raspberry pi zeros: 1) Primary device 2) Configuration remote Primary Device: This device is an iot device based on raspberry pi zero w, it has two major third party hardware components – an infrared sensor and a relay. Configuration remote: This device is a raspberry pi zero w based device, which is to be used ...

Hi I need an eagle PCB done I will share the details please bid if you are interested Regards

We are looking for developing the prototype of the electronic control section in our machine development.

We are looking for developing the prototype of the electronic control section in our machine development.

PCBA - Firmware development for development of a machine. Unit will have Servo motor of high torque (20Nm), sensors.

Hello, BUDGET is $10 as its les than an hour job! Last freelancer is not answering and I got stuck, please check the attached pic and bid, I need to connect these. draw how : Battery to be charged by a usb Indicator to show how much battery left. Also a ON/OFF switch. BUDGET is $10 as its les than an hour job! Thanks

I shall try explaining the project in a nutshell : 1. This project aims to identify when the medicine has been popped out from the blister package by a patient. It needs to record the time and send the information via bluetooth to the patients phone which has the app running over it. 2. The device is attached to the blister package and with the help of 3 sensors : Accelerometer, Contact Senor ...