Sound Servo (PC Mic) icon Sound Servo (PC Mic) Maps PC microphone volume to servo positions - control multiple servos (e.g., robotic mouth) with scalar, min/max and invert options. Try it →

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PRO
Synthiam
LinkedIn Thingiverse Twitter YouTube GitHub
#1  

That's not good if the batteries are getting hot. that means they are either worn out or there is a short in the connector, perhaps. I would stop using those batteries if they are getting hot. That is a clear sign of danger. Common sense is encouraged for items getting hot that shouldn't. Such as batteries. Be careful!

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PRO
Belgium
Thingiverse
#2  

thank you for the warning and explanation.