JDY-40 is developed with 2.4G technology, the sight distance is 120 meters, using serial port communication interface, using simple and fast, only need to understand the serial knowledge of the JDY-40 can be applied to the product!
Pin function description:
Pin The name of the discipline Function 1 GPI01 Input-output IO, which can be configured by AT+CLSS 2 GPI02 Input-output IO, which can be configured by AT+CLSS 3 GPI03 Input-output IO, which can be configured by AT+CLSS 4 GPI04 Input-output IO, which can be configured by AT+CLSS 5 GPI05 Input-output IO, which can be configured by AT+CLSS 6 GPI06 Input-output IO, which can be configured by AT+CLSS 7 GPI07 Input-output IO, which can be configured by AT+CLSS 8 GPI08 Input-output IO, which can be configured by AT+CLSS 9 VCC Power supply (2.2-3.6) 10 RXD Serial port input pin 11 TXD Serial port output pin 12 SET AT command switching pin (low level AT instruction, high level transparent transmission) 13 CS Transmission or push button mode: CS pin (low level wake-up, high level sleep). IO receive mode:the CS pin needs to be suspended or pulled up 14 GND Power supply
Application scene:
1:2.4G panel switch 2:2.4G remote control 3:2.4G transmission 4: one to many control of mobile phone 5:IO switching control 6:2.4G toys 7: smart home control application
Technical parameter:
Model JDY-40 Working band 2.4G Emissive power Maximum 12dB working temperature -40 C - 80 C Reception sensitivity -97db transmission distance 120 meters working voltage 2.2V-3.6V TX current 40mA RX current 24mA Sleep current 5uA communication interface Standard TTL serial port
Default configuration:
Specification Function Parameter Instructions 1 baud rate 9600 AT+BAUD 2 wireless ID 8899 AT+RFID8899 3 device ID 1122 AT+DVID1122 4 channel 001 AT+RFC001 5 emissive power 12db AT+POWE9 6 equipment type A0 AT+CLSSA0