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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.From 37589 reviews, clients rate our Circuit Designers 4.83 out of 5 stars.
Atmega based ride height controller for a vehicle. I have a schematic, but need to redo it due to parts being EOL and cost reduction. Current design is 2 boards, I'm hoping to get it on 1. Hardware only no software, I do that. The main board has fixed size, mounting and positions per the attachments Keith Vasilakes
Use microchip MCC to generate two PWM sine-waves, (100, 300 Hz nominal) to drive DRV8833. LUT-DMA-MCCP/Compare-Push/Pull. LUT should be 1/2 time period off. use CCP/capture to track the timer/phase value T1/T2 of the sine-waves at a CLC1 trigger. DMA reset timer at phase 0 of sine-wave. use each of the CCP/capture triggers ADC1/ADC2 to read the generated sine-waves accordingly. pack T1/T2/ADC2-ADC1 in one DMA block per CLC1 trigger, export data through SPI or PMP to ENC624J600 ethernet out. GUI to display phase value T1/T2/ADC2-ADC1 value, plot data on spherical coordinate, ADC2-ADC1 is R value. GUI Capable to change frequency, amplitude of the sine waves, I will test the sine-wave on dspic33ch512MP508 display on scope and test on DRV8833 I will test to change frequency, amplitude w...
Hello I need an expert in Electronics and Electrical Engineering for circuit simulation in LTSPICE. Please apply if you have the required expertise.
I am reaching out on behalf of the Chief Judge in 14th Judicial Circuit in Illinois. We have an extremely old seal for our circuit, and we would like to have it updated. I have it attached to this message and hope to hear from you soon. Thanks!
Looking for an electronic design engineer who can take our solenoid testing circuit, final design right up Gerber files&Bom stage and create firmware. And the engineer will be contracted to guide us through the prototypes for us
I need help for my Circuit Analysis lab to make a Project related to the op-amp circuit. I have a project to do for my Circuit Analysis class and the project showed practical and theoretical. We have to select a circuit that is related to OP-AMP, for example - The sensitive Intruder Alarm Circuit you can select any circuit of your choice, but needs to be related to OP-AMP. required 8-9 pages with references. The details required for the project - 1. Background information a. Information related to the whole project b. Information about OP- AMP c. General use of Sensitive Intruder Alarm Circuit ( Your choice circuit) and General information 2. Experiment a. Introduction related to experiment b. Method of doing experiments c. Component requires and setup d. Figure of circuit and ...
I need help for my Circuit Analysis lab to make a Project related to the op-amp circuit. TAKE YOUR TIME!!!!!!!!!!!!!!!!!!!! I have a project to do for my Circuit Analysis class and the project showed practical and theoretical. We have to select a circuit that is related to OP-AMP, for example - The sensitive Intruder Alarm Circuit you can select any circuit of your choice, but needs to be related to OP-AMP. I required 8-9 pages The details required for the project - 1. Background information a. Information related to the whole project b. Information about OP- AMP c. General use of Sensitive Intruder Alarm Circuit ( Your choice circuit) and General information 2. Experiment a. Introduction related to experiment b. Method of doing experiments c. Component requires and setup d. Fi...
Seeking a freelance consultant to develop a Arduino Sketch for a Esp32 Wrover Development Board. Sketch must be developed to import various libraries including 1.) numpy, 2.) gpio etc. and a pre-trained tensorflo lite library. Sketch much be able to use 0v2640 camera and to obtain 30 second video clip and use pre-trained tensor-flo lite library to determine presence of facial expressions in video clip and then apply a custom grading algorithm provided by me.
Design a PCB to interface to a bru-ray Optical Pickup Head (OPH) signals, using this (file attached) info as a guide and engineer your way through! The PCB should provide 3 programmable current sources for the 3 motion voice coils of the pickup head, 6 isolated outputs for photodiodes A, B, C, D - plus their sum (A+B+C+D) and diff ((A+C)-(B+D)) signals, as well as 1x analog input for driving the UV diode laser of the OPH
i am looking of someone or company to make prototype for me and ship it to me. i will share more details in message. preferred Chinese freelancers, companies. 1) Need a wearable device with shock generator and need to be as small as possible. Please check the attache image for reference. 2) it will have shock generator 3) it will have a vibrator 4) it can be sync with mobile using Bluetooth 5) with will be pared with sender to receive command (1,2,3,4,5,6,7,0) where 1= Start Shock , 2= stop shock, 3= start vibration 4=stop vibration, 6= start vibration and shock, 0= stop all. 6)it also need charging port (type C) 7) 1 button to on/off 8) 1 button to pair with bluetooth(Mobile) Bluetooth need to work with both IOS and Android. 9) need one led light to show it’s on. 10) it also ca...
We require a PCB designer to layout a PCB for us. The test circuit has been developed on an STM32 Nucleo-144 MCU Development Board, NUCLEO-F767ZI. You will be required to draw the full circuit based on the development board and then after approval, layout the PCB in accordance with the circuit diagram. PLEASE READ THE ATTACHED DOCUMENT. IF YOU DON'T READ I WILL DELETE YOUR BID.
It is a very small project. I have Systemline system installed, but its Sonamp amplifier started buzzing very loudly, so it needed to be changed. I bought a new one, and thought that I would be able to connect it to the system, but it is a bit too complex. So, I need someone to come and connect it back to the system. Thank you! We are based in NW1.
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.
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...