Author Topic: battery life indicator  (Read 3273 times)

0 Members and 1 Guest are viewing this topic.

Offline lordcalvertTopic starter

  • Beginner
  • *
  • Posts: 2
  • Helpful? 0
battery life indicator
« on: May 02, 2007, 08:17:05 PM »
recently i have been thinking some about how to hook up a red light to the battery so that when it gets low i know when to charge it.   HELP PLEASE!!

Offline ed1380

  • Supreme Robot
  • *****
  • Posts: 1,478
  • Helpful? 3
Re: battery life indicator
« Reply #1 on: May 02, 2007, 09:09:00 PM »
my guess would be a comparator and a resistor at a certain value
Problems making the $50 robot circuit board?
click here. http://www.societyofrobots.com/robotforum/index.php?topic=3292.msg25198#msg25198

Offline hgordon

  • Expert Roboticist
  • Supreme Robot
  • *****
  • Posts: 373
  • Helpful? 7
    • Surveyor Robotics Journal
Re: battery life indicator
« Reply #2 on: May 02, 2007, 09:49:35 PM »
Surveyor Corporation
  www.surveyor.com

 


Get Your Ad Here