In the last decades, research on visible light communication (VLC) has been attracting researchers to develop a wireless communication system based on visible light transmission. The advancement of LEDs for the lighting system is a factor in considering it for wireless communication purposes. Even though this technique can perform lighting and communication simultaneously for green communications, it suffers attenuation on the emitted power as distance increases and divergent beam from the LED source. This paper discusses light-waves power transmission of a light-emitting diode in a short-range distance. The transmitter consists of a microcontroller-based Arduino and LED. On the other part, the receiver uses the microcontroller and photodiode. The considered modulation is on-off keying (OOK) intended for the application of the IEEE 802.15.7 standard of specification PHY I for indoor communication. This experiment aims to measure the current and voltage received at photodiode from LED. In general, the result shows that the white LED can provide the highest received power than red, green, and blue. The received power decrease as the distance increase. The power degradation insight is useful for further a VLC system implementation.