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Heat sensor - hardware project

Hello. I need to create easy heat sensor. It should have 1,5V AA battery, small led green light, heat sensor and on/off switch. Please see attached scheme. I need that it works in style - when i put the "legs" of this device in fluid and it has only room temperature, then

it will not lighting. But when i put the "legs" of this device in hot fluid, then it will light green. Budget is 200usd for your work + Extra will be payment for costs - all parts for 2 devices of this kind + costs of post-service-delivery.

Kĩ năng: Thiết kế vi mạch, Kĩ thuật điện, Điện tử, Kĩ thuật, Vi điều khiển

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Về Bên Thuê:
( 1 Nhận xét ) Slovakia, Slovakia

ID dự án: #15418291

36 freelancer đang chào giá trung bình $170 cho công việc này

$200 USD trong 10 ngày
(198 Nhận xét)
7.6
ahmedmohamed85

Dear sir I have more than 10 years experience in electronic design please check my profile also please message me so that we can discuss best regards

$200 USD trong 3 ngày
(162 Nhận xét)
7.0
aliserbetci

Hi, I have checked the png file. In my opinion it would be better to use 3V battery(like 2032) because you ll need MCU and they mostly work between 3-5V. İlgili Beceriler ve Deneyim We can talk all details over th Thêm

$200 USD trong 15 ngày
(29 Nhận xét)
6.1
abidraza8

Hi. I have Bachelor in Electronics Engineering and Masters in Electrical Engineering. Doing PhD in Electrical Engineering. I would like to discuss this in details. Looking forward to hear from you. Relevant Skills and Thêm

$500 USD trong 10 ngày
(44 Nhận xét)
5.5
sajjadahmed19

Hi. I am interested in your project. Please send me a message so that we can discuss more. Thanks

$200 USD trong 4 ngày
(41 Nhận xét)
5.6
$155 USD trong 7 ngày
(29 Nhận xét)
5.5
gold2star

Hello sir, how are you? I am an Electrical Engineer with the areas of expertise in Microcontroller,Embedded System,PCB design and layout and firmware development for systems. I believe that my experience and skill in Thêm

$200 USD trong 3 ngày
(6 Nhận xét)
4.7
anhvu100

A LM35 temperature sensor, PIC12F675 and a copper strip is used for this project. Pls see this: [login to view URL] Relevant Skills and Experience Microcontrol Thêm

$190 USD trong 7 ngày
(15 Nhận xét)
4.8
$200 USD trong 3 ngày
(24 Nhận xét)
5.2
JunaidAhmad92

Hi, I am an electrical engineer and embedded systems developer. I am expert in microcontroller programming and temp sensors interfacing. I will provide two working prototypes with all required files for mass producti Thêm

$166 USD trong 10 ngày
(13 Nhận xét)
4.3
AlexFaster

Hi. I can create this device. What type of sensor should be? A thermocouple? Relevant Skills and Experience MCU programming, Schematics, PCB prototyping Proposed Milestones $155 USD - for the project Regards Thêm

$200 USD trong 30 ngày
(4 Nhận xét)
3.8
randomcreators

Greetings, we would be very happy to work on this project. the project budget is good enough for us. please go through our reviews and profile to understand we best in technical skills. Relevant Skills and Experience Thêm

$194 USD trong 3 ngày
(4 Nhận xét)
3.8
$150 USD trong 5 ngày
(8 Nhận xét)
3.5
zainpacc

Expertise in analog and digital electronics with five years of industrial experience in this field. I have completed various projects related to this one. I can also provide you my sample work if required. We can discu Thêm

$200 USD trong 5 ngày
(14 Nhận xét)
3.5
levstremetskyi80

Dear Sir! I'm very interesting in your job. I will finish job in a day. If you wanna i could assist you in manufacturing, testing as well. I'd like to hear from you soon. Best Regards, So Relevant Skills and Experienc Thêm

$120 USD trong 1 ngày
(3 Nhận xét)
3.2
du00000002

This offer is about a µC-less "temperature-controlled switch" (very low component count) capable to run from a single AA or AAA cell although 2 cells would make the "thing" about half the price. I'd prefer to supply y Thêm

$123 USD trong 3 ngày
(3 Nhận xét)
2.9
Milentije

Greetings! I can make it for you. It will be a nice device. Contact me for details. Best regards, Milos Relevant Skills and Experience I have almost 10 years of experience in electronics and embedded systems. I have Thêm

$200 USD trong 30 ngày
(1 Nhận xét)
2.7
JonEngineer

hi sir I am expert in these things i can complete this job I have experience of building such sensor. come to chat to discuss more. waiting for a reply thanks

$200 USD trong 6 ngày
(3 Nhận xét)
2.6
qyx

Hello, the price depends on the design and further requirements, such as rugged design (eg. waterproof). We can talk about the (SK/EN). I am located in SVK. Relevant Skills and Experience DC/DC stepup conversion (to p Thêm

$177 USD trong 31 ngày
(2 Nhận xét)
1.8
romybompart

I have a block diagram to show you, the materials cost will shock you, I have this project already visualized I can do this, Hardware PCB and plastics. Habilidades y experiencia relevante I am Hardware design Engineer Thêm

$155 USD trong 10 ngày
(1 Nhận xét)
1.1