Asked
— Edited
Resolved by Steve G!
hi there, Im working with the EZB-4 and 21x servos + a lot leds, camera and sensors.. the robot needs a lot power in action. in the same second If my robot says: "my battery is low", he collapse.. I have no time for a reaction. its not good for the optical look.. I dont want scratches.. or a broken arm.. you know. So I need to find a way to programming a better "battery is low warning". or a optical LED.. the best and coolest way is a live status inside the EZ-Robot Software..
thanks Marty
ARC has a "live status" on-screen battery monitor that displays the voltage of the battery connected to your EZ-B.
Press the Project tab from the top menu bar of ARC.
Press Add Control from the button ribbon bar.
Press the General category tab and then press the EZ-B v4 Info icon to add the control to your project.
You can also write a script using the $GetVoltage variable to give you battery voltage warnings and program what you want your robot to do (such as a verbal warning only, or power down gracefully, and not collapse) by setting the minimum voltage slightly higher than the main warning, or disable the main warning all together and use your battery warning script.
GetVoltage() Returns the EZ-B v4 Battery Voltage Example: $x = GetVoltage()
Hope that helps.
hi guys
you can set the batt warning higher.insteadt the normal 6.6 volt. set it at excample 7.5 volts.on the web page.
If you set the low voltage warning higher it wont stop the EZ-B going to low power mode and shutting down servos etc. connected. That solution will not work and will not avoid the robot going limp.
Follow Steve's advice and use the variable for the battery voltage and monitor it, when it drops below a set voltage, high enough to move things still, have the robot move to a safe position where going limp will not cause any damage.
rich
dont you get a warning when the batt is at 7.5 volts then?
@nomad.
What Rich is saying is that changing the voltage setting (in your example, to 7.5v), will be no different to what is being experienced now and won't help @Smarty out, as it will still cause the robot to go limp when the low voltage warning fires off, weather it be 6.6v or 7.5v.
thank you guys :-) I will try it today.
steve g
thanks for explaining.
@Steve G
can you post a script to go into auto-position if the battery is low? it would be easier for me and saves time.
because I dont understand:
GetVoltage() Returns the EZ-B v4 Battery Voltage Example: $x = GetVoltage()
What kind of data should I enter there ?
thank you :-)