Circuit Design Jobs

We are a small team of software engineers who are looking to finish the design of a four-layer, medium-current PCB we've been developing in-house. The product is an ESP32-based smart LED controller with an audio-codec on board and is designed to drive several hundred 5v or 12v WS2812b LEDs with audio reactive animations. Our cumulative electrical engineering/PCB design skills have allowed us ...

I need to convert a schematic and PCB layout from Altium to Eagle. It's already laid out and working nicely, so we just need to match it in Eagle so we can use that going forward. This is a fairly small board (approx 75mm x 16mm) with the following: - 1x QFN-48 - 1x TDFN-10 - 1x QFN-12 - 1x TDFN-6 - 2x 4 pad RGB LEDs - a couple of 4 pad xtals - various 0402, 0603, etc. passives Speed is imp...

I have a circuit board that uses 2 off shelf boards I want to combine on one PCB and add a strong WiFi chip and an antenna I need help with making the two boards work as one as well as the bom and gerber files I have a design just need some help on chip numbers and connections project should be less than an hour of work

A Wireless Bluetooth Streaming Speaker circuit design Portable Wireless Speaker which has good connection and 360° Stereo Sound with Powerful Bass & Mic. The various voltage and current rating should be present including input and output values and supply data. The technical information is necessary with the circuit diagram.

I want Copy earphone mini pcb I seend one earphone

I want Copy earphone mini pcb I seend one earphone

I want Copy earphone mini pcb I seend one earphone

I need help on Digital filter design and digital design filter FIR and IIR project. The project require a good electrical engineering background

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...

i need a pcb to place above arduino nano. its basically a rearrangement of pins to connect power, 7 leds and 4 [login to view URL] includes 4 resistors and capacitors. Also you have to suggest me the best connector types for the requirement. Will give you the hand drawn diagram. Details later

We are a small 10 person production facility producing ejector pins for commercial use in chip production. We would like to semi automate the angle grinding process of these pins. Angle and end size of pin heads are essential and we deal with micron sizes. We would like to maintain our manual grinding/honing machines and implement sensors and actuators as well as servos connected to a basic pc to ...

Working on a project which is pretty much a timer charger with the unique and monotonous feature of the cord being ejected once the time is up.

12 stages as an example [login to view URL]

I need someone who has a great and wide knowledge about complex circuits work and development. Message me if you think you are qualified

Looking for the PCB designer who is having the experience in altium PCB layout design the schematic is ready (small alteration required like auto numbering to the components )with only he/she have to work on PCB Layout .

Create Circuit Boards for Raspberry PI Compute Module 3 Breakout Board for Raspberry Pi CM3+ 2X USB A Ports 1X DSI Input for Display 4X buttons (to trigger GPIO ) 1X Ethernet Port 2X CAN BUS (1 MBIT with MCP2515 based on PICAN DUO Layout) 120 ohm End resistors should be broken out to the main connector to be able to enable / disable via loop on main connector 8X Analog 0-5 V inputs (with ov...

Questions and answer about motherboard and how to enhance it

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...

Implementation of n bit ALU using Novel Adiabatic Logic using cadence virtuoso tools in 45nm technology and verification of its operation. Implementation of n bit ALU using CMOS Logic using cadence virtuoso tools in 45nm technology and verify its operation. Analyze and Compare the both in for different parameters like power, delay, power delay product, area,vdd, and operating frequency etc. Show t...

We design and manufacture sensors for the OEM off highway equipment We desire to upgrade out current components to multi layer by redrawing and standardizing the designs. New product design is constant - Design and redrawing of small ~50mm sensor boards. Require Multi layer - EMI and component placement , form factor sensitive designs. Designs generally include power supply - Micro - driver - an...

We are looking for a freelancer who can design hardware and pcb layout for a wifi router with all the features below H/W Requirements in Router:- -4 Gigabit Ethernet ports 1 WAN Port -USB Port -WPS Button -Wifi On/Off Button Requirements in Router OS: 1. Easy to manage Interface 2. Parental Controls System 3. Network Security(Pre installed External security software such as Webroot, E...

Hi, We have a requirement to build a Solenoid driver circuit. Specifications 1. Total Number of solenoids: 30 2. Solenoid specifications a. Rated Operating Voltage: 12v b. Rated Current: 0.8A c. Power Consumption: 9.6 watt 3. The solenoid will be driven by a 3.3v rated microcontroller like ESP8266 or ESP32. 3. We will buy external DC power supply according to provided specifications. Deli...

I am having problem in working with touch board along with mux shield II i want any expert to help me in this project. Please bid only if you have working knowledge of MUX Shield II.

Sine Wave Inverter Capacity 900 VA, Rated Power 756 W Supports single [login to view URL] for sensitive appliances with Sine wave out-put. Three Stage Charging for safe & efficient charging and longer battery life. 4-step battery type selection. long life with overload protection with auto reset power conditions with rugged technology design for high performance and longer back-up time. Suppor...

Hello, I need someone to help with the pcb layout of various IOT designs. Currently I use [login to view URL] systems easy-PC for my designs and ideally would like to continue with this. But I am open to suggestions.

we need a electrical consultant for our building which is under construction. location: Jalandhar , Punjab.

Hi, We are looking for electrical circuite designer for creating an emergency calling box. The calling system should work with GSM-OFC-WIFI modes. We need only circuit design, we will get manufactured the same at our own. Attached the image for the purpose , please refer and ping me for more details. Thanks

We are looking for a very talented engineer (or team) that can create a high voltage, bipolar DC to DC converter supplying voltages up to 1200Vdc. We are needing a small compact design that doesn't use transformers in the design. We will share further details of the design later.

I need to have a digital stop watch to be able to disconnect the 2 magnetic pieces

we have a project that require a very lite pcb board 6 inch by 6 inch with distribution of power to 384 points on he board , each point can get one of 4 different low voltage power level of current each time , this distribution and controlled by a programmable IC and data connection to the IC with a wifi connection

I would like to convert a PCB Project made under Altium to Eagle files. it's small project, schematic have only 20 components. Thanks

I need someone who can build me a single board computer like the raspberry pi

A robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Many robots have been built for manufacturing purpose and can be found in factories around the world. Designing of the latest inverted ROBOT which can be controlling using an APP for android mobile. We are developing the android app by which we can control the robot motion by using voice command...

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 ...

Hello, I am looking to hire a company or freelancer with experience in DMX 512 Engine. I am looking to get an customised PCBs with DMX512 Engine to control RGB+CCT LEDs. So the deliverables are hardware and software.

Build a Walkie Talkie using micro:bit with minimum 2 KMs range and 2 Way Radio. for micro:bit info please visit https://microbit.org. Two micro:bit Walkie Talkie devices should able to communicate each other like standard Walkie Talkie works.

- Reposting - Need an Engineer to design the circuit schematic and PCB layout for a Rockchip RK3399 SoC. This board will use a Linux based OS. All components used (wifi/bt /ethernet controller...) must have working linux drivers. Board will need to have: RK3399 SoC 4GB RAM - LPDDR4 SD Card Ethernet Port - 100M or 1G, depending on component cost. WiFi + Bluetooth - WiFi @ 2.4GHz and Bluetooth at ...

Necesito contruir una PCB que reciba señala analógica de 0-10v y me entregue una salida PWM 500hz dutty cicle regulable con respecto a la salida.

Vreau sa dezvolt un convertor DC/DC, cu 2 iesiri, una de 12V si una de 5V. Acesta trebuie sa fie controlat de catre un uC care sa poata comunica cu alte placi