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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