发布项目

Design me a Product

已关闭已发布的 Feb 17, 2016 货到付款

$15-25 USD/小时

已关闭

Charge a 3.7v 300-400 mah lipo battery using a 3v 30-75 mah solar panel while the battery is being discharged to operate a device operating at 3.7v drawing 60-100 mah.

产品设计

项目ID： #9685249

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4个方案远程项目活跃的Mar 25, 2016

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有4名威客正在参与此工作的竞标，均价$21/小时

udayd75

Hello sir, i have read the project details and understood the requirement. i have 20 years of experience in Design and Manufacturing. My expertise is -Product design (Electro mechanical, Automotive and Not Automot 更多

$21 USD / 小时

(60条评论)

6.8

jitendrabaraiya

I have 4 years experience in embedded systems. I have designed many types of circuits . I can do your job within a time limit limit with your satisfaction .

$22 USD / 小时

(2条评论)

4.3

girisudhir

Dear Customer I have read your project specific requirement for product design Now a days I am already working on similar projects which you are looking for. Our Skills:- Embedded System:- Microcontrollers/Develop 更多