I need an electronics engineer

Closed Posted 5 years ago Paid on delivery
Closed Paid on delivery

I want to make a sensor that detects liquid and then sends an audible signal. It must be DC voltage because it needs to be portable​ and battery operated, the problem I have is that it needs to be very small and I can not buy one from the shelf.

Arduino Electrical Engineering Electronics Microcontroller PCB Layout

Project ID: #18806475

About the project

36 proposals Remote project Active 4 years ago

36 freelancers are bidding on average $475 for this job

sagradoamicus

Hi i am experienced electronics engineer with more than 8 years of experience. i can do it for you. please get in touch to discuss it further regards

$1000 USD in 10 days
(270 Reviews)
8.0
BKTechnology

Hello, We are a design team include 3 groups: System Design, Layout PCB & Mechanical. We have +15 years experience of Developing custom electronics, Hardware Design, Firmware, App and +5 years experience of 3D Mech More

$1200 USD in 15 days
(27 Reviews)
6.7
mechatronicsengr

Hi, I hope you are doing well. I have extensive experience in embedded system design and development. I have understood your requirements which are to develop a liquid detector system. I would like to know dim More

$1000 USD in 10 days
(88 Reviews)
6.9
Anthony989

WE ARE A INNOVATION AND DEVELOPMENT COMPANY. WE CAN DEVELOP THIS AND ALSO MAKE PROTOTYPES Hello, I am Anthony from Sri lanka. I have 7 years of experience in the filed and I am very much interested in you More

$333 USD in 10 days
(67 Reviews)
6.5
microembedded

hi there i am an electrical engineer. i have 8+ years of related to arduino development and circuit designing. we can design your solution. let us know if you are interested.

$750 USD in 10 days
(36 Reviews)
6.4
Adrianopl

Hi, Can you give more information about your application, so I can give you an extimated price and time frame for development. What kind of liquid do you want to detect? How loud should the audible signal be? More

$555 USD in 10 days
(7 Reviews)
6.0
Ghlighte

It can be done with an Attiny controller using a liqud sensor, a couple of transistros, and a speaker. Since this device will work from a battery, I will make it as energy-efficient as possible. I can design a miniatur More

$500 USD in 7 days
(9 Reviews)
5.0
junaidahmad770

Hello I can design a sensor according to your requirements. Please contact me to tell more details. Like you need humidity sensor or water sensor.

$350 USD in 12 days
(20 Reviews)
4.8
edison4mobile

Hi, how are you? I have checked your description carefully. I have rich experienced in electronic device and embedded software development. FPGA, Raspberry pi, pic, arm, dsp, ardunio, bluetooth, ad/da, model, cypres More

$555 USD in 10 days
(7 Reviews)
4.2
anatolyzimin

Hello I have a wide experience in IoT development, low-power devices, RF desgin etc. Will provide perfect service. Thanks

$600 USD in 15 days
(20 Reviews)
6.0
soltracker

Yes buddy,,,how r u, a very easy task to accomplish, u will feel brotherhood,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

$250 USD in 10 days
(28 Reviews)
4.1
etalhak

Hello, I study electronics at Politecnico di Torino and I can design such thing for you. My main concern is what will be the event of it ? Will it be like water level sensor or will it be like the wiper sensor which i More

$616 USD in 10 days
(11 Reviews)
3.8
topacademictutor

Hi, hope you are fine. I am a highly-qualified writer, and I can assure you quality work on any topic. You may visit my profile and check all samples to ensure quality, accuracy, and grip over all topics.

$250 USD in 1 day
(6 Reviews)
3.1
shubhankert

Sir, I have read your requirements and would like to inform you that i can easily handle your task also i have some sample projects to showcase my work please ping me to start discussion over this.

$555 USD in 10 days
(20 Reviews)
3.5
brainOmind

I am precise and accurate with the given work. I am also deadline driven and work hard to complete assignments in a timely manner. My dedication attention and organization contribute to my professionalism. I consistent More

$277 USD in 10 days
(3 Reviews)
3.0
albedibella

Circuits like the one in its description can be made in very small dimensions for the detection of liquids and self-supplied acoustic warning, also because their consumption in a state of rest is zero, so a very small More

$400 USD in 4 days
(5 Reviews)
5.1
clim6100

Hi there, I am interested in your project. I have got basic design on my mind but I am not sure what liquid you talking about and how small it should be? mositure sensing unit? or really just liquid? please let me k More

$555 USD in 4 days
(1 Review)
1.4
keenravi

Dear sir, I have a 7+ year experience in schematic design, PCB design and Firmware development. I have a completed many Electronics project please check my portfolio. By looking at your requirement i am More

$555 USD in 10 days
(0 Reviews)
0.0
mnoumanafzal875

Hi i'm Nouman. I am an Electrical Engineer and i am experienced in working on ardunio, micro-controllers and PCB design

$277 USD in 7 days
(0 Reviews)
0.0
iamshaaan

hi, I am an electrical engineer and am working on microcontroller and aurdino. I can do the project as discussed above on the way you want. please hire me for a quality and satisfactory work. thank you

$333 USD in 6 days
(0 Reviews)
0.0