The purpose of this circuit is to emit infrared pulses. However, LEDs for visible light can also be used. Power must be 5 V and the transistor may be general purpose types. The circuit can be used to operate as a shield.
The purpose of this circuit is to emit infrared pulses. However, LEDs for visible light can also be used. Power must be 5 V and the transistor may be general purpose types. The circuit can be used to operate as a shield.