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    how can i charge a LiPo battery ?

    hi again I want to use a LiPo battery for my recent project as its cheap and efficient. the problem is the battery that i found has the following specifications: 7.4V, 800mA, 10 cell and the LiPo charger i found have the following specifications: 7.4V, 600mA, 2 cell as you can see, the...
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    how can i reduce current of 1A to less than 50mA

    Hi every1 its a simple question actually, i wan to build an IR sensor which works on a power source of 5V, 10mA...the problem is my power source is 5V,1A which might damage the IR TX & RX, so i need to reduce the current. i tried to connect parallel resistor ( in Crocodile) but the power...
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    final year project: a blind stick that uses different sensors, help needed

    Hi everyone, this is my first topic....and yes i need help :) I want to build a stick that can help the blind people while walking as my final year project. the idea of the project is simple, im going to use a sensor (IR, sonar, prox....etc) to detect objects (walls, stones...etc) and also to...
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