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Raspberry Pi 40KHz square wave generation

i like to use Raspberry Pi to generate 40KHz square waves

(1). use raspberry timer, something like below link, to generate 40Khz square wave. the good thing about below one is that i can call the function and control how much time the square wave is there, such as, after i call the funciton, if i delay 500 us, then it means the square wave will be there for 500 us x 40 khz = 0.5ms. I want to be able to control the length of square waves. I do not want a continuous 40KHz square. I want "her" to be there for a specified of time, only when i call her. I believe i will need two things something like (a) start_transducer (b) stop_transducer.

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(2). do not want to use those "HIGH" and "LOW" to generate square wave. This is not what i want. I feel it is impossible or difficult control if i use HIGH and LOW to generate 40KHZ.

(3) the output square wave voltage shall be 0-5V

(4) need the detailed explanation of code, the library used, the wiring, the circuits, ..., and how to implement the code, and i will test it with my oscilloscope. You will have to find a way to prove and to demo it is working, and the sqare wave output is controllable, ...

(5) Phython and C language -- i beleive

Again, I have oscilloscope and I will test it. thanks

Kĩ năng: Raspberry Pi

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Về Bên Thuê:
( 1 Nhận xét ) PLEASANTON, United States

ID dự án: #14889265

7 freelancer đang chào giá trung bình $63 cho công việc này


dear sir i am electrical engineer with 2 plus engineering experience of programming language especially c++ and python. i assure complete delivery of project with 100 % accuracy. thank you

$30 USD trong 3 ngày
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$55 USD trong 3 ngày
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Hello, Deep is here from India. Basically I'm embedded system developer. I can help you for your raspberry Pi based development. I will give you complete solution as per your requirements. Thanks

$45 USD trong 1 ngày
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I'm an italian electronic engineer with more than 14 years of work experience. I work as HW designer; FW and SW developer. Relevant Skills and Experience Raspberry C FW development for hardware management. Proposed M Thêm

$166 USD trong 30 ngày
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Hi, I do this type of work on a daily basis, I understand your requirements and believe I can deliver the solution I have a question though, what do you mean by not wanting high and low solution. I am in electronics a Thêm

$66 USD trong 2 ngày
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Hi How are you As i am new here but working on online plate forms from the last 7 years I worked alot related to your work Thanks Relevant Skills and Experience work Proposed Milestones $25 USD - full

$25 USD trong 1 ngày
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I have already worked on this. The code of this project or whatever the documentation required is ready with me. Relevant Skills and Experience I am a pro in Arduino, Embedded Linux Programming, RaspberryPI, Shell Scr Thêm

$55 USD trong 1 ngày
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