Society of Robots - Robot Forum

Electronics => Electronics => Topic started by: vivek9856 on May 05, 2009, 07:28:47 PM

Title: Battery Monitor
Post by: vivek9856 on May 05, 2009, 07:28:47 PM

So, I have my robot, and its a short run robot that runs off of 4 - AA NiMh cells for around 1 minute. And at the end of each run, the batteries are usually half drained or so.

What I wanted to know was what would be the best way for me to read the battery voltage with my Arduino so that I can display the value on an LCD that's connected to the Arduino, and then I would know when I need to replace the batteries with ease.

Also, if possible, somehow measure the current draw on the batteries and read that with the Arduino too.

Title: Re: Battery Monitor
Post by: awally88 on May 05, 2009, 08:37:20 PM

This might help ;)

http://lmgtfy.com/?q=battery+monitor+arduino (http://lmgtfy.com/?q=battery+monitor+arduino)

Title: Re: Battery Monitor
Post by: SmAsH on May 06, 2009, 12:34:36 AM

you could also check tricky nekro's tutorial for a battery monitor circuit in the member tutorials...