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Op Amp Amplifier Design

$30-250 CAD

Closed
Posted about 5 years ago

$30-250 CAD

Paid on delivery
The attached schematic is built using 2 photodiodes which need to be able to detect IR at around 1.5um and 1.6um, we need to know what kind of filter and amplifier to use to get the output of the photodiode, the output is processed by the micro controller from the two photodiodes and their ratio calculated and if above a certain threshold the micro controller can light up an LED or LCD with warning. The infrared emitter needs to be controlled with the microcontroller
Project ID: 18665818

About the project

13 proposals
Remote project
Active 5 yrs ago

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13 freelancers are bidding on average $107 CAD for this job
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Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the project. Thanks . .
$155 CAD in 3 days
4.8 (87 reviews)
7.5
7.5
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For more details inbox me so that we can discuss in detail. For more details inbox me so that we can discuss in detail. For more details inbox me so that we can discuss in detail. For more details inbox me so that we can discuss in detail.
$155 CAD in 3 days
4.8 (72 reviews)
6.3
6.3
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Your attached schematic shows a transimpedance amplifier, which is a good choice for reading photodiodes. I can help you convert this to 3.3v or 5v operation and add needed low-pass filtering for connection to microcontroller ADC.
$150 CAD in 7 days
5.0 (4 reviews)
4.7
4.7
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Hello, I am an electrical engineer and I can design this circuit to work according to your requirements. You posted this project yesterday and I gave you suggestion about the op-amp. Basically you are using Arduino to compare both signals to set out an alarm. Therefore in this case op-amp will be used as amplifier. So, I can work on this project and provide you what you exactly need. Contact me if you think that I can do this project. Thanks.
$135 CAD in 3 days
4.6 (20 reviews)
4.8
4.8
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Hi, I'm an electronics engineer i designed similar circuits for interfacing current based sensors with microcontrollers
$90 CAD in 10 days
4.8 (2 reviews)
3.0
3.0
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hello sir i am a professional electrical engineer and i have years of experience of microcontrollers and on aurdino and today i did a project on aurdino i can show you sir and i can complete the desired work and minimum of your budget
$88 CAD in 2 days
5.0 (3 reviews)
2.2
2.2
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Hey! I am an electrical engineer and worked on a lot of projects in circuit and PCB design. Also supervising students to help them in their project. I assure you quality work with unlimited revisions.
$110 CAD in 3 days
5.0 (4 reviews)
2.1
2.1
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Hello, I study electronics at Politecnico di Torino and I did such circuit before for a solid state relay control. I can write the code in C/C++ and implement it to any microprocessor such as, pic,arm,etc or to arduino, raspery pie etc. Please let me know for the details. Best regards
$155 CAD in 5 days
3.1 (6 reviews)
3.1
3.1
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Hi. I am a licensed electronics engineer and I am well experienced in designing op amp circuits. I also work in electronics industry that's why I am familiar with designing this kind of circuits. Please contact me if you trust I can finish this project with ease.
$83 CAD in 5 days
0.0 (0 reviews)
0.0
0.0
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I am an Electronic engineer with a first class performance. I would like to take this task and i will be able to complete this project in 3 days.
$35 CAD in 3 days
0.0 (0 reviews)
0.0
0.0
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I am electrical engineer having experience of 6 years in Embedded system. I have CGPA of 3.80, I have teaching experience and Teacher Assistant experience as well. I am enthusiastic. I have team of 5 engineering each have couple of years experience. I want to work with you in long term. I have wide experience in pic micro-controller, its ADC,DAC, PWM, EUSART, Comparator, internal Fosc configurations, EEPROM, timers, counters, interrupts, SPI, I2C and many other modules and communication interfaces.
$100 CAD in 3 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of CANADA
Montreal, Canada
5.0
3
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Member since Feb 4, 2018

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