I just want to know if this is the correct way to connect an Arduino UNO and 2 LED strips using an external power supply only (no USB). Im using: Arduino UNO 2 x LED strips are Adafruit Neopixel (60 LED each) external power supply 5V, 3A [multiple LED strips external power]

Multiple LED strips and external power supply

sterretje September 17, 2021, 3:33am 4

120 leds will draw 120 * 60 mA at full white; your 3A power supply will not be sufficient for that.

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