4 channels rf receiver rolling code transmitter

الوصف

4 channels rf receiver rolling code transmitter
POWER：DC*2V**4V
OUTPUT CURRENT： 5~7A on the relay
FREQUENCY：**3.9MHZ
MODE：ASK
 
OUTPUT STATE：
 
MONOSTABILITY: When you press the , the relay is ON, when you release the , the relay is OFF, other s with same function.
BISTABILITY:When you press , the relay is on, when you press again, the relay is OFF. Other s with same function.
 
HOW TO EXCHANGE BETWEEN MONOSTABILITY AND BISTABILITY:
Long press S0 and S1 to exchange.
 
HOW TO LEARN CODE:
   Short press SW-SPST on PCB and release, LED will light, now short press any of transmitter and release, press any of transmitter again (within 5 seconds) and LED go off which mean you finish learning code successfully. Repeat above operations and learn more transmitters. Each receiver can store *0 transmitters with HCS**1/HCS**0 at most. Note: you can only learn one transmitter each time.
 
HOW TO ERASE CODE：
 
Long press SW-SPST on PCB and release, learning LED flashes 4 times and OFF, the code is erased. All the code will be erased by this operation. Note: learning LED is the small one on receiver PCB.