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The freelancer circuit designer will be able to work on the PCB print circuit, half finished product design, finished product and also assemble them. Their other work expertise are high speed telecom, RF board, DSP, microcontroller control, signal board, circuit design and assembling, electronic items designing like toy, motor, electronic gifts, main board, security defend, Vidicon, USB, DVD etc. If you are a freelancer having adequate skill and experience in circuit designing, Ethernet, USB, electronics, networking, digital and such related fields, submit your bid in the Freelancer.com and get posted immediately.37508のレビューにより、クライアントは星5個中 Circuit Designers 4.83/の評価をしました。
I would like a multi-class KiCad software tutorial, at first with the most basic concepts (from zero) and increasing the level with each class, starting to beginners and finishing with a professional mastering of the subject, to learn and understand completely how to design PCB. The minimum total duration of the videocourse with all of classes is 8 hours.
I need gps tracker which communicate with server to send and receive data every one second (minimum) using ESP32 controller. GSM/GPS Module preferred to use is A9G. Communication Protocol open to use anyone such as http, https, TCP/ip
Hello developers Request details We have developed an AC charger based on OpenEVSE. We would like to add ISO 15118 (specifically plug'n'charge and SoC reading) to the existing board. Will discuss more details in chat.
This project aims to control a Gyroscope, having motors in 3 axes. As the delivery of this work, I would like to obtain: - Complete technical drawing. - Arduino program, containing comments for understanding the flow. - List of recommended components, cables, boards, motors, other elements deemed necessary for future purchase. The idea is to have two Servo Motors and a DC motor. The DC motor in the center, axis C, image attached, being powered by a current that will pass through a Slip Ring Connector B. Such Slip Ring Connector turns from axis B, which represents the second servo motor, also powered by current that will pass through Slip Ring Connector A, coming from A. The DC motor will be activated as soon as the Arduino is connected to the power source. Servo motors will be driven clo...
Diseñar y simular un inversor trifásico multinivel de 7 niveles modulado con múltiples portadoras de tipo IPD, el cual tenga un alimentación de 1200 DC Voltios un coeficiente ma=0.8 y mf=60 trabaje a una frecuencia FUNDAMENTAL de 60Hz una potencia de 5000 w, este debe presentar informe de etapas cálculos previos, calculo de espectro armónico cálculo de THD y filtro, utilizar software de simulación PSIM Design and simulate a 7-level three-phase multilevel inverter modulated with multiple carriers of the IPD type, which has a power supply of 1200 DC Volts, a coefficient ma=0.8 and mf=60, works at a FUNDAMENTAL frequency of 60Hz, a power of 5000 w, this You must submit a stage report, previous calculations, harmonic spectrum calculatio...
Hi, We need a compacthigh-quality Qi Wireless charging receiver for our project. Currently, we are using the following cheap version, but can not trust it for a long term project. We are interested to build one based on Western Chips (eg: TI, ST .....) with good documentation and test data. Your responsibilities: 1. Find the best chip for the purpose 2. Designing the boardcoil.... 3. Assist us with finding the PCB manufacturer who can provide all components and ship the final product. (We do not want a design that could NOT be manufactured) The design is very straight forward and could be based on the best practices and example circuit provided in the chip's data sheet. The only matter to note is: in our product 2x Qi receiver modules will be used. The output of these are di...
Please see the chat and amplifier that you quoted on. The understanding is that you complete the rask for a fixed price although you asked that a hour rate project is to be made. We both agree that when the design is done that the fee of 450 is to be paid for the task, irrespective of the time spent to complete the task. My engineer will review the schematics and consult if he sees any possible problem on the design. Then you can complete the pcb. Please take care of the component that is to ne used as not to become obsolete.
We need an electronic circuit that can convert AC signal into a train of pulses of 250 V (offload). The output voltage should not be less than 200 V while on-load (short circuit) condition. the shape and duty cycle of pulses is shown in figure attached.
You must have the experience, knowledge and capacity to design and develop a multichannel Functional Electrical Stimulation hardware and multichannel EMG sensing circuit. You will also have to integrate diverse sensors and design communication protocols. You must have proven experience on working with AI on the edge.
Need to vary current of a dc source from 10 amps to 70 amps in steps of 1amps. Design and development required for the same. Voltage is 220v dc constant
I need an RF amplifier. The modulated signal has a fundamental between 0.1 and 23MHz, and the carrier wave is 3.1MHz. Input signal is 500mVpp, and output must be 50Vpp. The load is 300 ohm. The power supply is 18 V VDC Heat must be managed with a small heat sink and no fan.