Hi, i want to make and battery level indicator that shows the battery's percentage on an lcd or at least a circuit that notifies my whenever my battery goes low. I don't know where to start, please help.

 

Here's http://www.linear.com/products/battery_gas_gauges a starting point.

A mico-power comparitor can be used for "battery dead"

 

Here's http://www.linear.com/products/battery_gas_gauges a starting point.

A mico-power comparitor can be used for "battery dead"

Thanks but can you send me the circuit sketch?

 

Thanks but can you send me the circuit sketch?

Click on the link provided.
One more click, and look what I got!
If you are too lazy to click two times, you future in electronics is doomed.

 

Click on the link provided.
One more click, and look what I got!
If you are too lazy to click two times, you future in electronics is doomed.

Oh i didn't notice that documents on the right side