It is equipped with an IR light and an IR receiver.
Equipped with an IR remote control receiver module.
Contains a heart-shaped PCB.
The Blink Heartbeat Soldering Kit is a display-type heart-shaped PCB. 24 red LEDs are soldered together with various other electronic components.
This is a user-interactive soldering kit with blinking red LEDs arranged in a heart shape. It can detect your presence and any movements from a distance. It is equipped with an IR light and an IR receiver.
The LED will not blink when the IR receiver detects IR light. If an object or person/animal passes between them and the IR receiver can no longer detect IR light, the LED will start blinking.