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Project for Intellisense Technology: 2 AA Batteries --> Battery/Solar Cell

Design a complete solution to replace a 2 AA battery pack with a small solar cell and a small battery.

The puspose of the thermometer is when the tempurature reaches 72c it turns on the green light. We need to put it in a sealed housing without changeable batteries. Please describe to me the components you think we need and how long it will take.

The solar cell must be under 2.5cm x 2.5cm.

Deliverable is a schematic and tested curcuit.

Habilidades: Engenharia Elétrica, Eletrônica, Engenharia, Layout PCB, Desenho de Produto

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Acerca do Empregador:
( 102 comentários ) Bel Air, United States

ID do Projeto: #18761440

6 freelancers estão ofertando em média $17/hora para esse trabalho

saied2017

Hello I'm Mohamed Saeed. electrical engineering expert with high experience in batteries, solar cells design and implementation. I have checked your job description and I'm ready to help you in your project

$22 USD / hora
(37 Comentários)
5.7
ShunJohn

Hello. Thanks for posting this project. I am an expert having rich experience in schematic circuit and PCB layout. best regards.

$14 USD / hora
(12 Comentários)
5.2
divinedesignr

Hi there, We can replace the batteries and use solar cell n panel design. About Us: We are a design firm with expertise in design and development of products for consumer products, medical devices and mechanic Mais

$20 USD / hora
(10 Comentários)
5.3
MatiasJV

Hi, I can help you with your design. But I have some questions: + Do you have a circuit (thermometer) and want to make an energy system? + What is the current of the circuit? + how much time without sun needs to wor Mais

$12 USD / hora
(1 Comentário)
2.3
led1234

i have rich experienced in hardware and software design i can do better way complete this project in low cost hardware for future manufacturing

$12 USD / hora
(0 Comentários)
0.0
Andygenyuan

Hi how are you, I am an electronic engineer. I am interested in your project, I have my own studio room for product development in ShenZhen City China,I have good experienced in the circuit design, components choose, P Mais

$22 USD / hora
(0 Comentários)
0.0