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Opto isolated 9v to 3.3 data signal interface

13 freelancers are bidding on average $54/hour for this job

sagradoamicus

HI I am experienced firmware developer with more than 14 years of experience. I have read the details and would like to know more about the project. Please get in touch to discuss it further Regards

$20 USD / hour
(257 Reviews)
7.9
ahmedmohamed85

Dear sir I have designed similar circuit to convert 27v signals to 3.3v suitable for fpga using optocoupler, please message me so that we can discuss

$28 USD / hour
(274 Reviews)
7.5
umg536

Hi there, I'm bidding on your project "Opto isolated 9v to 3.3 data signal interface" Being an expert in C, and C++ programming I can do this project for you. please leave a message on my chat so we can discuss the bu More

$50 USD / hour
(23 Reviews)
6.4
zhonghaidi4

Dear, client I checked your description, and I'm sure I can finish this project successfully. I have 20 years experience working as an electrical engineer. So, I had developed lots of products using various Microcon More

$20 USD / hour
(8 Reviews)
5.6
(5 Reviews)
3.6
etalhak

Hello, I am an electronics and telecommunciaton engineer and I am quite experienced with hardware and embedded systems' design. So far I have designed many embedded systems and I also designed their hardwares as well. More

$15 USD / hour
(8 Reviews)
3.5
Krimson1991

Hi, I can help you with creating a circuit to translate the 9v signal to an 3.3V signal for the microcontroller. Can you tell me more about the 0v signal?

$25 USD / hour
(1 Review)
1.4
sujoy0

If it is 9V to 3V, I suggest you look for other level shift alternatives. Optocouplers have quite considerable delay times for signal lines ~4uS. Please share more details on chat and we can figure out the best (chea More

$40 USD / hour
(1 Review)
1.1
samuelrvw

"...trying to read an old protocol signal 9v pulse /Strobe/Clock/Data working with a microcontroller at 3.3v" So you are trying to read an external signal using a microcontroller that is 3.3V. You can 1) use an optoc More

$15 USD / hour
(4 Reviews)
0.9
hameeddanish

Hi, Your job post jumped out at me and I am glad to share that I have been working from last 7+ years in website development and designing with exceptional skills in latest technologies and have familiarity with Atl More

$390 USD / hour
(0 Reviews)
0.0
williamdevkota

Hi! I'm a senior electrical & electronic engineer & manufacturing designer with 7+ years of experience in designing PCB/Schematic and embedded software/firmware for SAM E5x series, STM32 series, Atmega series, and Arm More

$40 USD / hour
(0 Reviews)
0.0
yugansh1992

Hello. I read your requirement carefully. I understood your suggestion and can satisfy you enough. I am a senior electronic and software expert. I specialized in firmware using many mircontrollers. I have a lot of exp More

$20 USD / hour
(0 Reviews)
0.0
sohaililyas

I can provide you the simple solution for you 9v to 3.3v level translation problem. I am experienced in handling opto couplers although they are simple to use but sometimes over or under current problem may either burn More

$20 USD / hour
(0 Reviews)
0.0