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
Green 1.8 V LED Emitters Datasheets – Mouser
The LED datasheet | All About LEDs | Adafruit Learning System
LED 5mm Green
Data Sheet Led 5mm RGB | PDF | Light Emitting Diode | Color
LED - Basic Red 5mm - COM-09590 - SparkFun Electronics