![I soldered these 5mm LEDs (sorry, no datasheet) in series, but only the green ones light up and dimly. Should I use 3mm LEDs to light up all 5? I want to I soldered these 5mm LEDs (sorry, no datasheet) in series, but only the green ones light up and dimly. Should I use 3mm LEDs to light up all 5? I want to](https://preview.redd.it/i-soldered-these-5mm-leds-sorry-no-datasheet-in-series-but-v0-fsqp07fh2m7a1.jpg?width=640&crop=smart&auto=webp&s=7cc9625e6e460d9b7d4fa97a8a9e431214729b0a)
I soldered these 5mm LEDs (sorry, no datasheet) in series, but only the green ones light up and dimly. Should I use 3mm LEDs to light up all 5? I want to
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