Abstract
Compared with the existing wire dimming system of LED stage light which uses the heavy light operating console to adjust the brightness of stage light, a portable wireless dimming control system for LED stage lighting is proposed, fabricated and tested in this paper. The scheme with the core of ATmega16L microcontroller is composed of wireless transmission and reception units, constant current driving circuit of LED, and the control circuit between this two modules. Through the system presented here the dimming signals are transmitted from transmission unit to reception unit, and the brightness of the LED stage light varies consequently. The experiment results show the feasibility and convenience of the proposed wireless LED dimming system for LED stage light.
Highlights
As a new generation of environmental light source, LED has been widely used in many areas because of high efficiency, low driving voltage, low power consumption, long life and other characteristics; a variety of colored lights based on the LED is used everywhere
The dimming system is made up of wireless transmit unit, receive unit, and constant current driving circuit of LED. These two units communicate through nRF2401 wireless RF module so as to realize short distance brightness transformation of LED stage lights
Wireless reception unit is composed of nRF2401 wireless RF module, ATmega16 single-chip microcomputer (SCM)
Summary
As a new generation of environmental light source, LED has been widely used in many areas because of high efficiency, low driving voltage, low power consumption, long life and other characteristics; a variety of colored lights based on the LED is used everywhere. The dimming signal is transferred through communication lines between components This system has the complex construction and bad flexibility, and influences the application in outdoor performance. For this reason a portable wireless dimming control system with a dimming handle to take place of the heavy operating console is put forward in this paper. The dimming system is made up of wireless transmit unit, receive unit, and constant current driving circuit of LED. These two units communicate through nRF2401 wireless RF module so as to realize short distance brightness transformation of LED stage lights
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