The problem is this led will be used in a small waterproof box, and the LED has to have a 1kHz signal. So i cant use a signal generator with it because its too big. Is there any other way to insert signal.
I can only use small components btw,and the power supply is a 3.6 V AA battery.
I can only use small components btw,and the power supply is a 3.6 V AA battery.