Ebyte E01-ML01DP4 Manuale utente

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E01-ML01DP4 User Manual

nRF24L01P 2.4GHz 100mW DIP wireless module

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

1. Overview............................................................................................................................................................................ 2

1.1 Brief introduction..................................................................................................................................................... 2

1.2 Features.....................................................................................................................................................................2

1.3 Application............................................................................................................................................................... 2

2. Specification and parameter............................................................................................................................................... 3

2.1 Limit parameter........................................................................................................................................................ 3

2.2 Operating parameter................................................................................................................................................. 3

3. Size and pin definition........................................................................................................................................................4

4. Basic operation................................................................................................................................................................... 5

4.1 Hardware design................................................................................................................................................ 5

4.2 Software editing........................................................................................................................................................6

5. Basic application................................................................................................................................................................ 6

5.1 Basic circuit diagram................................................................................................................................................ 6

6. FAQ.................................................................................................................................................................................... 6

6.1 Communication range is too short............................................................................................................................6

6.2 Module is easy to damage........................................................................................................................................ 7

6.3 BER(Bit Error Rate) is high..................................................................................................................................... 7

7. Production guidance........................................................................................................................................................... 7

8. E01 Series...........................................................................................................................................................................7

9. Packing............................................................................................................................................................................... 8

9.1 Anti-statistic pallet....................................................................................................................................................8

Revision history......................................................................................................................................................................8

About us..................................................................................................................................................................................9

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

1. Overview

1.1 Brief introduction

E01-ML01DP4 is a DIP module based on original

imported nRF24L01P form Nordic in Norway, operates at

2.4Ghz with PCB antenna.

The RF performance of E01-ML01DP4 and components

selection during R&D are all in accordance with industrial

grade standards, using industrial-grade high-precision 16MHz

crystal oscillator, also it obtained FCC, CE and RoHS

certification. A power amplifier (PA) and a low noise amplifier

(LNA) are built in, so that the maximum transmit power

reaches 100mW and the receiving sensitivity is further

improved. The products have been greatly improved when there is no PA and LNA in design.

The user needs to use the MCU driver or use a dedicated SPI debugging tool to develop E01-ML01DP4.

1.2 Features

Communication distance tested is up to 1.8KM；

Maximum transmission power of 100mW, software multi-level adjustable;

Support air date rate of 2Mbps, 1Mbps, 250kbps;

125 communication channels to meet the needs of multi-point communication, grouping, frequency hopping, etc.

Connect to the MCU through the SPI interface at a rate of 0 to 10 Mbps.

Support 2.0V~3.6V power supply, power supply over 3.3V can guarantee the best performance；

Industrial grade standard design, support -40 ~ 85 °C for working over a long time；

PCB antenna;

Enhanced ShockBurst, fully compatible with NORDIC all nRF24L, nRF24E, nRF24U series.

1.3 Application

Wearable device；

Smart home and industrial sensors；

Security system, positioning system；

Wireless remote control, drone；

Wireless game remote control；

Healthcare products；

Wireless voice, wireless headset；

Automotive industry applications.

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

2. Specification and parameter

2.1 Limit parameter

Main parameter

Performance

Remark

Min.

Max.

Power supply（V）

3.6

Voltage over 3.6V will cause

permanent damage to module

Blocking power（dBm）

Chances of burn is slim when modules

are used in short distance

Operating temperature（℃）

-40

2.2 Operating parameter

Main parameter

Performance

Remark

Min.

Typ.

Max

Operating voltage（V）

2.0

3.3

3.6

≥3.3V ensures output power

Communication level（V）

3.3

For 5V TTL, it may be at risk of

burning down

Operating temperature（℃）

-40

Industrial design

Operating frequency（MHz）

2.4

2.525

Support ISM band

Power

consumption

TX current（mA）

110

Instant power consumption

RX current（mA）

Sleep current （μA）

1.0

Software is shut down

Max Tx power（dBm）

19.7

20.2

Receiving sensitivity（dBm）

-95.5

-96

-97.5

Air data rate is 250kbps

Air data rate（bps）

250k

Controlled via user’s programming

Main parameter

Description

Remark

Distance for reference

1800m

Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，

air data rate: 250kbps

FIFO

32Byte

Max length transmitted each time

Crystal frequency

16MHz

Modulation

GFSK

Package

DIP

Connector

2.54mm pin

Communication interface

SPI

0-10Mbps

Size

15 * 27mm

Without SMA

Antenna

PCB antenna

50ohm impedance

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

3. Size and pin definition

Pin No.

Pin item

Pin direction

Pin application

GND

Ground

VCC

Power supply must be 20. ~ 3.6V

Input

Chip Enable

CSN

Input

SPI Chip select

SCK

Input

SPI clock

MOSI

Input

SPI master output slave input

MISO

Output

SPI master input slave output

IRQ

Output

Interrupt request.

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

4. Basic operation

4.1 Hardware design

5 It is recommended to use a DC stabilized power supply. The power supply ripple factor is as small as possible, and

the module needs to be reliably grounded；

6 Please pay attention to the correct connection of the positive and negative poles of the power supply. Reverse

connection may cause permanent damage to the module；

7 Please check the power supply to ensure it is within the recommended voltage otherwise when it exceeds the

maximum value the module will be permanently damaged;

8 Please check the stability of the power supply, the voltage cannot be fluctuated frequently；

9 When designing the power supply circuit for the module, it is often recommended to reserve more than 30% of the

margin, so the whole machine is beneficial for long-term stable operation;

10 The module should be as far away as possible from the power supply, transformers, high-frequency wiring and other

parts with large electromagnetic interference;

11 High-frequency digital routing, high-frequency analog routing, and power routing must be avoided under the

module. If it is necessary to pass through the module, assume that the module is soldered to the Top Layer, and the

copper is spread on the Top Layer of the module contact part(well grounded), it must be close to the digital part of

the module and routed in the Bottom Layer；

12 Assuming the module is soldered or placed over the Top Layer, it is wrong to randomly route over the Bottom Layer

or other layers, which will affect the module's spurs and receiving sensitivity to varying degrees；

13 It is assumed that there are devices with large electromagnetic interference around the module that will greatly

affect the performance. It is recommended to keep them away from the module according to the strength of the

interference. If necessary, appropriate isolation and shielding can be done；

14 Assume that there are traces with large electromagnetic interference (high-frequency digital, high-frequency analog,

power traces) around the module that will greatly affect the performance of the module. It is recommended to stay

away from the module according to the strength of the interference. If necessary, appropriate isolation and shielding

can be done.

15 If the communication line uses a 5V level, a 1k-5.1k resistor must be connected in series (not recommended, there is

still a risk of damage)；

16 Try to stay away from some physical layers such as TTL protocol at 2.4GHz , for example: USB3.0；

17 The mounting structure of antenna has a great influence on the performance of the module. It is necessary to ensure

that the antenna is exposed, preferably vertically upward. When the module is mounted inside the case, use a good

antenna extension cable to extend the antenna to the outside；

18 The antenna must not be installed inside the metal case, which will cause the transmission distance to be greatly

weakened.

19 Conductors or other sources of interference should be avoided around the onboard PCB antenna.

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

4.2 Software editing

This module is nRF24L01+PA+LNA, the drive mode is exactly equivalent to nRF24L01P, the user can operate

according to the nRF24L01P manual (Please see nRF24L01P manual for more details).

As interrupt pin for IRQ, it can be used to wake-up MCU and achieve fast response;

But the user can get the interrupt status through SPI (not recommended, it is not conducive to the overall power

consumption, and with low efficiency）.

CE pin can be high level for long-term, but it needs to set as POWER DOWN mode when the module write

registers, and it is recommended that CE is controlled by MCU pin.

Make sure the CE pin connect to LNA enable pin , when CE equal to 1, LNA is turned on, when CE to 0, LNA is

turned off. This operation is perfectly matched with the transceiver mode of nRF24L01; that is to say, users do not

have to care about the LNA operation

If the automatic response is needed, the CE pin must keep high level when transmitting, instead of keeping high

level time just more than 10us like the datasheet mentioned.The operation we recommended is: when CE equal to 1,

the module begin sending, after sending all, then make the CE equal to 0, instead of making the CE equal to 0 after

10 us.The reason is: the module turns into receiving mode immediately after sending L01P,If CE equal to 0,it means

LNA closed, will not be beneficial to the receiving senility

5. Basic application

5.1 Basic circuit diagram

6. FAQ

6.1 Communication range is too short

The communication distance will be affected when obstacle exists.

Data lose rate will be affected by temperature, humidity and co-channel interference.

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

The ground will absorb and reflect wireless radio wave, so the performance will be poor when testing near ground.

Sea water has great ability in absorbing wireless radio wave, so performance will be poor when testing near the sea.

The signal will be affected when the antenna is near metal object or put in a metal case.

Power register was set incorrectly, air data rate is set as too high (the higher the air data rate, the shorter the

distance).

The power supply low voltage under room temperature is lower than 2.5V, the lower the voltage, the lower the

transmitting power.

Due to antenna quality or poor matching between antenna and module.

6.2 Module is easy to damage

Please check the power supply source, ensure it is 2.0V~3.6V, voltage higher than 3.6V will damage the module.

Please check the stability of power source, the voltage cannot fluctuate too much.

Please make sure antistatic measure are taken when installing and using, high frequency devices have electrostatic

susceptibility.

Please ensure the humidity is within limited range, some parts are sensitive to humidity.

Please avoid using modules under too high or too low temperature.

6.3 BER(Bit Error Rate) is high

There are co-channel signal interference nearby, please be away from interference sources or modify frequency and

channel to avoid interference;

Poor power supply may cause messy code. Make sure that the power supply is reliable.

The extension line and feeder quality are poor or too long, so the bit error rate is high;

7. Production guidance

This module is a DIP module, the workers must work according to the static discharge operation specifications

while welding. This module is a static-sensitive product, it may cause permanent damages if the module is not welded

according to the specifications.

8. E01 Series

Model No.

Frequency

Tx power

Test

distance

Package

Antenna

dBm

E01-ML01S

nRF24L01P

2.4G

0.1

SMD

PCB

E01-ML01D

nRF24L01P

2.4G

0.1

DIP

PCB

E01-ML01IPX

nRF24L01P

2.4G

0.2

SMD

IPEX

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

E01-ML01DP4

nRF24L01P

2.4G

1.8

DIP

PCB

E01-ML01DP5

nRF24L01P

2.4G

2.5

DIP

SMA-K

E01-ML01SP2

nRF24L01P

2.4G

1.8

SMD

PCB/IPEX

E01-ML01SP4

nRF24L01P

2.4G

SMD

IPEX

E01-2G4M27D

nRF24L01P

2.4G

DIP

SMA-K

9. Packing

9.1 Anti-statistic pallet

Revision history

Version

Date

Description

Issued by

1.00

2017/11/15

Original version

huaa

1.10

2018/5/22

Content updated

huaa

1.20

2018/9/13

Model No. split

huaa

Chengdu Ebyte Electronic Technology Co., Ltd. E01-ML01DP4 User Manual

1.30

2019/12/21

Circuit diagram modification

Linson

About us

Technical support: suppo[email protected]

Documents and RF Setting download link: www.ebyte.com

Thank you for using Ebyte products! Please contact us with any questions or suggestions: [email protected]m

-------------------------------------------------------------------------------------------------

Fax: 028-64146160 ext. 821

Web: www.ebyte.com

Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China

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