Em Andamento

Battery tester

This development requires getting the battery condition of a lead-acid and pure acid batteries. It is necessary to use the technique of measuring the internal resistance of the battery.

The electronic circuit has to handle batteries of 6V, 12V and 24V. The purpose of the circuit is to determinate the condition of the battery based on its internal resistance.

The internal resistance changes as the battery ages, then is possible to know the battery condition once you know the internal resistance.

It is necessary to consider:

[url removed, login to view] design has to consider a selector to indicate what kind of battery is going to be used (6V, 12V or 24V).

[url removed, login to view] has to have a display and buttons to ask some other question like: nominal values of the battery (such as: amp/H), and all the questions needed to evaluate what kind of battery was connected to be tester.

[url removed, login to view] the testing, the battery resistance have to be shown on a display

[url removed, login to view] is highly preferred to develop this circuit using a microcontroller (PIC) of Microchip series 18F

[url removed, login to view] should be written using swordfish, proton, (no assembler). C++ is acceptable.

Habilidades: Engenharia Elétrica, Eletrônica, Engenharia, Microcontrolador

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Acerca do Empregador:
( 0 comentários ) Mexico City, Mexico

ID do Projeto: #598060

Concedido a:


this is for circuit,pcb artwork and software,I also want o know if you have any preferred method for cell tester. 1) DC discharge pulse 2) AC method 3) DC charge Discharge.

$1300 USD em 20 dias
(4 Comentários)

14 freelancers estão ofertando em média $1211 para esse trabalho


I am professional automation engineer with more than 30 years of experience. Completed many projects. Will like to have weekly communication of work progress.

$1400 USD in 28 dias
(25 Comentários)

Hi, Our team is expertizeed in the design and development of various microcontroller based devices. We can provide you an efficient solution according to your requirement. Interested to hear more from you. Regard Mais

$1000 USD in 30 dias
(5 Comentários)

We ccan do the battery analysers using Microcontroller. Please see the PMB for more details. Regards Somasundaram.I

$1500 USD in 30 dias
(1 Comentário)

Hi, I can solve it with preffered PIC (or other) and sw in C langv. As a functional test and ICT machine designer I have the knowledge and experience so I can provide you from schematic trough PCB, gerber, design t Mais

$1200 USD in 10 dias
(2 Comentários)

Hello! I accomplished, seasoned design Engineer with the solid background in design of SLA batteries chargers . Technically skilled in the following software: P-CAD, Specctra, Allegro, SolidWorks. I can help you. I rec Mais

$1500 USD in 30 dias
(0 Comentários)

plz. check your PMB.

$1000 USD in 30 dias
(0 Comentários)

Please see PMB. Regards

$1500 USD in 10 dias
(0 Comentários)

we can do it as you want

$750 USD in 10 dias
(1 Comentário)

I have 7 years experience in electronic and software field.I can do this project.

$1000 USD in 30 dias
(0 Comentários)

Hi, I am ready to start to work with your project.

$1200 USD in 15 dias
(0 Comentários)

please check your PM.

$1500 USD in 15 dias
(2 Comentários)

See details in MB.

$1100 USD in 20 dias
(3 Comentários)

pls see pm for details

$1000 USD in 30 dias
(0 Comentários)