Description
JDY-40 2.4G wireless serial port transmission transceiver
JDY-40 is developed by 2.4G technology, with a distance of 120 meters. It uses serial communication interface, which is simple and quick to use. Yo u can apply JDY-40 to products only needs to know the knowledge of serial port.
JDY-40 Pin Definition:
Pin Function Description:
| No. | Pin Names | Function |
| 1 | GPIO1 | Input/output IO, which can be configured by AT+CLSS |
| 2 | GPIO2 | Input/output IO, which can be configured by AT+CLSS |
| 3 | GPIO3 | Input/output IO, which can be configured by AT+CLSS |
| 4 | GPIO4 | Input/output IO, which can be configured by AT+CLSS |
| 5 | GPIO5 | Input/output IO, which can be configured by AT+CLSS |
| 6 | GPIO6 | Input/output IO, which can be configured by AT+CLSS |
| 7 | GPIO7 | Input/output IO, which can be configured by AT+CLSS |
| 8 | GPIO8 | Input/output IO, which can be configured by AT+CLSS |
| 9 | VCC | Power Supply（2.2V–3.6V） |
| 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 | CS chip select pin (low level of awaken, high level of sleep) |
| 14 | GND | Power Ground |
Application:
1>. 2.4Gpanel switch
2>. 2.4Gremote controller
3>. 2.4Gtransparent transmission
4>. Mobile phone one-to-many control
5>. IO switching control
6>. 2.4Gtoys
7>. Application of intelligent home control
Parameters:
| No. | Parameter | Value |
| 1 | Model | JDY-40 |
| 2 | Operating frequency range | 2.4G |
| 3 | Transmit power | MAX 12db |
| 4 | Working temperature | -40℃ – 80℃ |
| 5 | Reception sensitivity | -97db |
| 6 | Transmission distance | 120meters |
| 7 | TX current | 40mA |
| 8 | RX current | 24mA |
| 9 | Sleep current | 5uA |
| 10 | Communication interface Standard | TTL serial port |
Dimensional Drawing:
Default Configuration:
| No. | Function | Parameter | Instructions |
| 1 | Baud rate | 9600 | AT+BAUD |
| 2 | Wireless ID | 8899 | AT+RFID8899 |
| 3 | Device ID | 1122 | AT+DVID1122 |
| 4 | Channel | 1 | AT+RFC001 |
| 5 | Transmit power | 12db | AT+POWE9 |
| 6 | Device type | A0 | AT+CLSSA0 |
AT instruction set:
| No. | Instructions | Effect | Default |
| 1 | AT+BAUD | Baud rate | 9600 |
| 2 | AT+RFID | Wireless ID | 8899 |
| 3 | AT+DVID | Device ID | 1122 |
| 4 | AT+RFC | Channel（128 Channels） | 1 |
| 5 | AT+POWE | Transmit power | +10db |
| 6 | AT+CLSS | Type | A0 |
Note:
In particular, the JDY-40 module sends the AT instruction need to end the symbol rn.
Setting Query:
1>. Baud rate:
| No. | Instruction | Response | Parameter |
| 1 | AT+BAUD<Param> | OK | Param(1-7) 1:1200 2:2400 3:4800 4:9600 5:14400 6:19200 Default Value: 4 |
| 2 | AT+BAUD | +BAUD=<Param> |
2>. RFID
| No. | Instruction | Response | Parameter |
| 1 | AT+RFID<Param> | OK | Param(0000-FFFF) Default Value:8899 |
| 2 | AT+RFID | +BAUD=<Param> |
3>. DVID
| No. | Instruction | Response | Parameter |
| 1 | AT+DVID<Param> | OK | Param(0000-FFFF) Default Value:8899 |
| 2 | AT+DVID | +BAUD=<Param> |
4>. RFC
| No. | Instruction | Response | Parameter |
| 1 | AT+RFC<Param> | OK | Param(001-128) Default Value:001 |
| 2 | AT+RFC | +RFC<Param> |
5>. POWE
| No. | Instruction | Response | Parameter |
| 1 | AT+POWE<Param> | OK | Param(0-9) 0: -25db 1: -15db 2: -5db 3: 0db 4: +3db 5: +6db 6: +9db 7: +10db 8: +10db 9: +12db |
| 2 | AT+POWE | +POWE=<Param> |
6>. CLSS type
| No. | Instruction | Response | Parameter |
| 1 | AT+CLSS<Param> | OK | Param A0: Serial port transparent transmission(Transceiver) C0: Remote controller or IO key indicator light(Transmitting terminal) C1: remote controller or IO key without indicator light (Transmitting terminal) C2:IO is high level at normal level, low level after receiving signal and high level after delay 30mS C3:IO is low level at normal level, high level after receiving signal and low level after delay 30mS C4:IO is low level at normal level, receives pressed signal of high level and receives lift signal low level C5: The IO level is reversed when IO receives the pressed signal. Default Value:A0 |
| 2 | AT+CLSS | +CLSS=<Param> |
JDY-40 Application Wiring Diagram:
Serial port transparent transmission application circuit diagram:
It can be applied to MCU and MCU wireless serial port transparent transmission, instrument and electronic toys.
Reviews
There are no reviews yet.