Society of Robots - Robot Forum
Software => Software => Topic started by: Henrique on November 03, 2010, 11:37:46 AM
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How can I put 2 sharps in the axon ? I have a trouble to boot the program in axon. The error must not be in the program because the boot never happens succesfully when two sharps were connected there. I have connected in the ports I/O analog 4 and 5
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I assume you mean the boot loader? Are you using FBOOT or another method to load the program to the Axon? If you had a previous program that was working can you reload that one successfully? Do you have other devices connected, if so which ones?
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I'll guess at the problem.
The Sharp IR sensors pull a large amount of current when they pulse their internal LED and the voltage to the processor dips enough to reset the processor. Even with only one Sharp sensor I and others have had processor problems. The common cure is to install a separate 5 Volt regulator (LM7805 or equivalent) to power the Sharp sensors. Another help is to add a low ESR cap of 10 to 25uF directly on the Sharps PCB.
Also do a search in this forum for more info and discussion of this issue.
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I assume you mean the boot loader? Are you using FBOOT or another method to load the program to the Axon? If you had a previous program that was working can you reload that one successfully? Do you have other devices connected, if so which ones?
Yes the boot loader and Im using FBOOT. I have 2 LDR's , and a L298 connected in axon.
I'll guess at the problem.
The Sharp IR sensors pull a large amount of current when they pulse their internal LED and the voltage to the processor dips enough to reset the processor. Even with only one Sharp sensor I and others have had processor problems. The common cure is to install a separate 5 Volt regulator (LM7805 or equivalent) to power the Sharp sensors. Another help is to add a low ESR cap of 10 to 25uF directly on the Sharps PCB.
Also do a search in this forum for more info and discussion of this issue.
I will try this ! but there isn't another easiest way ?
thanks.