Setup: Arduino Uno, LED with 220ohm resistor, simple blink. Code uploads fine, no error. LED dead pa rin. Wala multimeter sa bahay (school lab only).
Tried:
- Flipped LED polarity
- Different pin (13 to 12)
- New jumper wires
LED ayaw kumislap, bagong project, paano i-debug?
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jana_davao
- Posts: 7
- Joined: Tue May 05, 2026 10:51 am
Hello po, beginner here uli. Stuck na naman.
Setup: Arduino Uno, LED with 220ohm resistor, simple blink. Code uploads fine, no error. LED dead pa rin. Wala multimeter sa bahay (school lab only).
Tried:
Setup: Arduino Uno, LED with 220ohm resistor, simple blink. Code uploads fine, no error. LED dead pa rin. Wala multimeter sa bahay (school lab only).
Tried: