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MADE IN CHINA Audo signal modulation and amplification

$250-750 USD

En curso
Publicado hace alrededor de 3 años

$250-750 USD

Pagado a la entrega
ESP 32 creates square wave with adjustable duty cycle, frequency and amplitude which amplifies to max 24 V and modulates audio signal via a differential amplifier Amplification level is set by front panel potentiometer and displayed with 2 digit LED or LED bar graph Amplitude, Frequency and duty cycle should be set from a small App I would prefer a Chinese developer or one with strong experience on how to get this produced in China. Please make a fixed quote so you do not need to ask me "WHAT IS YOUR BUDGET'" - if this little project works out well I will have many follow up projects for you. Audio signal shall be used for light and electric therapy.
ID del proyecto: 29189967

Información sobre el proyecto

9 propuestas
Proyecto remoto
Activo hace 3 años

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9 freelancers están ofertando un promedio de $541 USD por este trabajo
Avatar del usuario
Hello, thank you for your job posting. I read your description about--MADE IN CHINA Audo signal modulation and amplification I am a senior electrical engineer. I have plenty of experience in firmware development and micro-controller developments. I can write the firmware based on Arduino, Raspberry Pi, Pic, Atmega, FPGA, ARM, DSP, PLC and so on. And I can design the circuit by the Altium, Eagle, KiCAD, Allegro & OrCAD, PADs. I provide the services - Gerber files, Netlist generation, BOM generation and 3D Models of PCAD and ECAD. I am also good at AutoCAD, Solidworks. And I can simulate all circuits with Proteus, LT-spice, Matlab, Simulink, Multisim, and Labview as well. Due to my experience in firmware development, I will bring you the perfect result in time with high quality. I will also give you a detailed explanation of the process. Looking forward to hearing from you soon Thanks
$550 USD en 2 días
5,0 (202 comentarios)
7,3
7,3
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Hi, I am an PCB designer who have enough knowledge in electronics and audio signal. In the past I have joined development of the 5.1 sound system and I have some experience in this filed. I will provide you high quality design and technical support. I think you will get good results working with me. Looking forward to hearing from you. Thank you.
$600 USD en 7 días
5,0 (31 comentarios)
5,7
5,7
Avatar del usuario
Hello there. I hope to work with you because your project is very familiar for my past works. I have 3+ years experiences in Electrical Engineering & PCB Layout & Circuit Design. Hope further discussion about your project more specific. Regards.
$250 USD en 7 días
4,4 (34 comentarios)
5,9
5,9
Avatar del usuario
Hi! I am an Electronic engineer, PCB Layout, Circuit Design, microcontroller, STM32 microcontroller, C programming expert having past experiences with ,Altium, arduino, pic, AVR, chipkit and Texas instruments microcontrollers I can do this job with 100% satisfaction. Reach me through the chatbox. I am waiting for you over the chat. Thank you!
$750 USD en 7 días
4,9 (14 comentarios)
5,0
5,0
Avatar del usuario
hi i'm Vinh Your project belongs to my specialty. programming DAC and ADC, I have a lot of experience with analog signal modulation and demodulation. I have a lot of experience in amplifyer, analog signal, digital ... I can help you get this job done as you wish thank you
$350 USD en 7 días
5,0 (29 comentarios)
4,5
4,5
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I am electronic engineer having project development, prototyping development experience of 5 years. I am having in depth knowledge of modulation and electronic. I am expert on robotics, drone, PCB design and many more skills. I can complete your project. thank you Atul Singh Kushwah
$667 USD en 7 días
5,0 (3 comentarios)
3,1
3,1
Avatar del usuario
I am an Electrical and Electronics Engineer. I have strong knowledge and ability in preparing Electrical Engineering reports, articles, and projects. I have a good thoughtful of different experimental projects in the field and in labs. I make my lab professionally with drawing graphs, schematics, tables, figures, and other data presentation forms using computer programs such as MATLAB, LTSpice, PSpice, and many more. Linear Circuit Analysis Electronic Circuits Digital Logic Control Microprocessors Power Distribution Power Generations Power Transmission Power System Analysis Power System Protection Power Engineering Control Engineering Electric Machines Power Electronics Why Hire me? Electronics Engineering 4 years of top quality experience 10+ successfully completed Tasks Satisfied from customers Exclusive aspects Original (100%) articles SEO optimized Plagiarism free unique Output Word Docx PDF Image and Figures Reference In-Text Citation ect
$600 USD en 7 días
4,4 (2 comentarios)
1,0
1,0
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Greetings, We are embedded based Indian company. We offer services in embedded hardware design, embedded formware developement and product development. I have gone through your project description and we are glad that we can accomplish your project. Looking forward for your reply. Regards, Dainik
$850 USD en 26 días
0,0 (0 comentarios)
0,0
0,0
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I will do the project very well. Will not give you a chance to complain. Ghori will work me in the office. I will try to make you be the best Made as much as it was made. You did it. Such a project has been made. They will all be happy. If you never get a chance to complain, then I work hard and diligently with him.
$250 USD en 2 días
0,0 (0 comentarios)
0,0
0,0

Sobre este cliente

Bandera de THAILAND
Koh Samui, Thailand
5,0
68
Forma de pago verificada
Miembro desde may 7, 2012

Verificación del cliente

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