4 Channel infrared control Low Level Trigger Relay Module with Optocoupler
PARAMETERS:
USAGE:
With the 6 key remote control, when press 1 button, the receive panel of the relay 1 connected and the LED 1 lights; then press 1 button again, the receive panel of the relay1 OFF, It is the same as to use 2 button 3 button and 4 button. If press the ALL and ON button at the same time, all the relays will be controlled, the same as the ALL and OFF.
Note: the receive panel must be with this remote control, because it cannot identify other remote control.
This module receives the infrared remote control signals, the micro controller decoding then output four road high and low level signal relay, drive power is to be equivalent to the micro controller IO port or IO port of the digital logic chips.
This module is self-locking output mode, When press a time the remote control, then output low level, press again, it will recover to the high level, connected the power and default is high level.
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