Product Description

JDY-18 Bluetooth Module 4.2 High Speed Transmission BLE Mesh Networking Master-Slave Integration

Product introduction:
 
The JDY -18 transmission module is based on the bluetooth 4.2 protocol standard, the working band is 2.4GHZ, the debugging mode is GFSK, the maximum transmission power is 0dB, the maximum launch distance is 60 meters. The imported original chip is designed to support the user to modify the equipment name, service UUID, transmit power, match the password and so on by AT command, convenient and quick. Use flexibly.
JDY-18 bluetooth module can realize the data transmission of module and cell phone and module, can choose UART or IIC communication mode through IO, and can use BLE bluetooth for product application quickly through simple configuration.
 
JDY-18 advantage:
 
1: JDY-18 uses BLE 4.2 protocol development compatibility BLE5.0, and mobile phone compatibility is better than CC2541 module.
2: the peak current of TX and RX is 5 to 6mA, and the peak current of CC2541 is more than ten MA. In the low power consumption, JDY-18 is more power saving and lower power consumption, such as electronic lock, or battery powered products.The JDY-18 module is generally recommended, and the average power consumption is at least half of JDY-08! It can also be used to transfer pictures on the printer!
3: The large transmission rate of the JDY-18 module is more than 8K per second. The master and slave communication supports 115200 baud rates to receive and receive continuously, and does not lose the packet. The serial test tool uses SSCOM test.
4: JDY-18 supports UART or IIC communication interface, which can be applied to lower cost MUC applications.
5: JDY-18 supports SIG standard MESH and JDY-16M supports MESH networking.
6: JDY-18 operation speed, performance, great promotion!
 
Module parameters:
 

JDY-18 Product introduction

Model

JDY-18

Working frequency band

2.4G

Emissive power

Odb (maximum)

Communication interface

UART or IIC

Working level

1.8V-3.3V

Working temperature

-40℃-80℃

Antenna

built-in PCB antenna

Broadcast instruction

Board broadcast indicator LED lamp

Reception sensitivity

-97dbm

Transmission distance

60m

bluetooth version

BLE4.2(compatibleBLE4.0,BLE4.1)

Transmission rate

115200 bps/s

Wake-up state current

4.9mA (broadcast)

Shallow sleep state current

<300uA (broadcast)

Deep sleep current

0.8uA (broadcast)

Instruction parameter preservation

Parameter RTD set off electrical data to save

STM welding temperature

<300℃

 
Working current:
 

Working mode

Broadcast state

Current

Remark

Wake up

broadcast

4. 9mA

Generally speaking with APP, it is suggested that broadcasting do not set M too long and too long to affect connection time. It is generally recommended between 100 and 500mS, such as fast connection and no demand for power consumption, and the shortest broadcast interval of M to the shortest distance.

Deep sleep free sleep

No broadcast

1.38uA

Shallow sleep has radio sleep

100ms Broadcast interval

280uA

Average power consumption

200ms Broadcast interval

llOuA

300ms Broadcast interval

30uA

400ms Broadcast interval

The following current is lower

500ms Broadcast interval

600ms Broadcast interval

700ms Broadcast interval

800ms Broadcast interval

900ms Broadcast interval

1000ms Broadcast interval

internal state of arousal

Self connection

4. 93mA

You can check the AT+STARTEN instructions by connecting the PWRC pins with the AT pins or setting the M mode directly.

Sleep state

Self connection

50uA

 
Pin definition:

Pin

function

description

1

TXD_DC

SELECT boot for high power, this pin function is string n TXD SELECT boot for low power, this pin function is IIC DD

2

RXD_DD

SELECT boot for high power, this pin function is string n RXD SELECT boot for low power, this pin function is IIC DC

3

CTS

The effectiveness of serial flow control

4

RTS

The effectiveness of serial flow control

5

NULL


6

NULL


7

roil

PWM supports UART, IIC, and APP control

8

PWM2

PWM supports UART, IIC, and APP control

9

PWM3

PWM supports UART, IIC, and APP control

10

PWM4

PWM supports UART, IIC, and APP control

11

RESET

Hardware reset pin

12

VCC

Power supply (1.8-3. 3V)

13

GND

Power supply

14

PWRC

Down wake-up, when the AT instruction is needed in the connection state, the AT instruction mode can be expressed by keeping this pin low level, and the pin is AT instruction mode at high and low levels in the rice connection state.

15

ALED

Broadcast scintillation, frequent connection after connection (master and slave effectiveness)

16

STAT

UAKT communication mode: unconnected low level, high level after connection.
IIC communication mode: no connection level, connect, disconnect or receive data will work in interrupt mode, interrupt down edge hold time 200ms

 

17

SELECT

UART or IIC select pin boot low level: IIC communication mode boot high level: UART communication mode.
The default SELECT is suspended to high level: UART communication mode. When the user needs IIC, the SELECT pin should be grounded.

18

103

High and low levels can be controlled by APP

19

102

High and low levels can be controlled by APP

20

101

High and low levels can be controlled by APP

21

NULL


22

NULL


23

NULL


24

NULL


25

NULL



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