Design and test a ph probe reading circuit

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Hi, Here is my bid for the project. I am ready to proceed with the circuit design. Thank you. Junaid

$300 USD in 10 days
(28 Reviews)

20 freelancers are bidding on average $516 for this job


Dear Sir. How do you do? I have seen your description very carefully and posting to you my idea. you can see my many work history from my profle. If you give me a chance to interview, I'll explain in more detail and More

$555 USD in 10 days
(34 Reviews)

Hi, I hope you are doing well. I have extensive experience in embedded system programming and development. I have ESP32 available for quick prototyping and testing. I have understood your requirements to inter More

$555 USD in 10 days
(66 Reviews)

Hi, I can design the interface front end for you, do you have a specific model of ph probe you want to use? The calibration function should be digital or can be analog (using trimpots for example)? let me know More

$555 USD in 30 days
(2 Reviews)

Hello I have got your job posting “Design and test a ph probe reading circuit” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experience of working with t More

$500 USD in 7 days
(30 Reviews)

Hello my name is Maria, I would like to work in this project, I’m an engineer with plenty of experience working with Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout , I have made many P More

$750 USD in 10 days
(10 Reviews)

Hi! I'm Alberto from mexico, nice to meet you, can we talk a little more about your needs? and a little more about the sensor? I'm an electronics engineer, I have been working with the esp family since a year ago. I ca More

$350 USD in 10 days
(15 Reviews)

Hi Im expert Electronics Engineer having experience of 8 years in the field. Im running my own electronics company named as Falcon Systems. I have team of experienced and skillfull engineers. Me and my team can do yo More

$388 USD in 4 days
(8 Reviews)

Okay! This is possible! Here is the process to Design and test a ph probe reading circuit:- 1. Research & analysis 2. Schematic design 3. Component order 4. PCB layout design 5. Testing 6. Firmware development using More

$850 USD in 10 days
(4 Reviews)

i can design this circuit using a op-amp gain circuit but will be required time to get accurate calculation for the measurement the PH value(i think it's good to add a temperature sensor with this for accurate measurem More

$500 USD in 20 days
(9 Reviews)

Hello, My name is Andrei, i am a Romanian IOT Developer with a lot of experience in IOT projects and automatics . i already have the ESP32 PH with mqtt post made for another project , please tell me more about y More

$500 USD in 7 days
(18 Reviews)

Hi i'm engineer, control expert, i have experience working in automation and control design & building, i can develop for you complete designs for building; plans, calculus' memories, controller's code and simulations; More

$1000 USD in 7 days
(5 Reviews)

yes buddy, its me imad, have done 200+ projects myself, i will make and ship u the complete prototype, u will get the best work done accompanied with brotherhood,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

$250 USD in 7 days
(27 Reviews)

Hi We are team of experts having 6plus years of exp in embedded systems, Iot, pcb design and dovelopment and prototyping. We are already build the pH probe hardware and firmware for bnc type probe. I think we are the b More

$555 USD in 10 days
(6 Reviews)

Hi. This project has already been made using ARDUINO. I realize the project, a prototype and I can send you the prototype, you pay the shipping. I include the list of materials, diagrams, programs and I teach you so yo More

$700 USD in 10 days
(1 Review)

how are you! I am expert for electronic and design pcb. I am confident about this project. best regard.

$500 USD in 7 days
(8 Reviews)

Electronics engineer* here. Sounds like a simple enough project. I'll need details on the probe and what kind of data the ESP32 expects, or your requirements basically. Just send a message if you're interested :)

$400 USD in 21 days
(1 Review)

General message: Dear Sir, Greetings from Turkey. I hope you are good. Let me introduce me. I'm Electronics Enginner who have 19 year experience. My experience is related to power electronics, hardware de More

$277 USD in 10 days
(2 Reviews)

Hi, Dear sir/madam. I am interested in your project. I have worked for 5 years in the fields of Microcontroller programming(AVR, PIC, STM32, TMS, Renasis, etc), Circuit design and production, DSP & CPLD/FPGA applicatio More

$556 USD in 7 days
(0 Reviews)

Hi I’m Matt from Warton Circuits Ltd in the UK. We’ve got extensive hardware design and firmware experience, from coffee machines to HVAC heat pumps. We are currently working on an ESP design for another client, and More

$277 USD in 7 days
(0 Reviews)