Activity › Forums › Questions & Troubleshooting › OVL led on MEGA
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OVL problem
Uploaded my first sketch to flash D0-D9 and R0-R14
Program will only run while USB is plugged in
12v applied, USB unplugged, program stops. (OVL is on)
USB applied, 12v Not applied: Program Runs (OVL is off)
Tried Reset Button
Suggestions?
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