Robot Pi Shop

KY-034 Automatic Flashing Color LED

$1.33
Quantity

The KY-034 features a 7 color LED that flashes through a sequence of colors, creating a multicolored pattern of flashing light. The sequence is predefined and cannot be modified.

This module can be used in decorative projects, and it is compatible with Arduino, ESP32, Raspberry Pi, ESP8266, and other popular microcontroller boards.

KY-034 SPECIFICATIONS

This module has a 5mm color LED and a 10 kΩ SMD resistor. The LED flashes in a predefined pattern of alternating colors.

Working voltage 3V — 5V DC
LED model YB-3120B4PnYG-PM
LED type 5mm round head
Board Size 16.5mm x 18.5mm [0.65in x 1.73in]

CONNECTION DIAGRAM

Connect the KY-034’s signal pin (S) to pin 13 on the Arduino, then connect the ground pin (-) to GND.

The middle pin and the (-) pin on the KY-034 are connected, and they both act as ground. You only need to connect one of the pins to GND on the Arduino.

 

Keep in mind that there are similar modules with a different pin configuration. Always check the pins before connecting your board.

KY-034 Arduino
S Pin 13
GND