Difference between revisions of "Microduino-Module nRF"

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[[file:Microduino-nRF-rect.jpg|400px|thumb|right|Microduino-nRF24]]
 
[[file:Microduino-nRF-rect.jpg|400px|thumb|right|Microduino-nRF24]]
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'''[[Microduino-nRF24]]'''  uses the newest 2.4GHz transceiver nRF24L01 from Nordic Semiconductor. This transceiver IC operates in the 2.4GHz band and has many new features! Take all the coolness of the nRF2401A and add some extra pipelines, buffers, and an auto-retransmit feature.
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Microduino-nRF24 is a high-speed embedded wireless data transmission module.  
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Designers can use '''[[Microduino-nRF24]]''' in project without any wireless design , and just need to stack it with '''[[Microduino-Core]]''' or '''[[Microduino-Core+]]''' through UPin-27, the standard Microduino interface will attach nRF24 and MCU with SPI bus, on transferring data.
 
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'''[[Microduino-nRF24]]''' works in the 1.9 to 3.6v voltage, the on-chip DC-DC regulator will automatically step down supply voltage to proper level.
 
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Note: We now populate these boards with the nRF24L01+. The '+' version of the IC has improved range, sensitivity, and data rates. The command set is backward compatible with the original nRF24L01.
 
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==Features==
 
==Features==
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*Low apply cost, the link layer is fully integrated in the module, very easy to develop；
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*Fully integrated link layer on the module makes it easy to develop.
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*Automatic retransmission function, automatic detection and resend the lost packets. Retransmission time and retransmission times can be controled by software;
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*With automatic retransmission function, it can automatically detect and resend lost packets and the retransmission time and frequency can be controlled by software.
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*Automatic store the packets that didn't received response signal;
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*With packets that can automatically save un-received response signals.
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*Automatic reply function, after receipt of a valid data, module will send response signal automatically, no need programming again;
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*With automatic reply function, the module can send response signal automatically after receiving valid data and need no reprogramming. 
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*Set six receiving channel address at the same time and selectively open the receiver channel;
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*Capable of setting six receiving channels' address synchronously and opening the receiving channels selectively.
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*Standard pin 2.54 MM spacing interface, convenient for embedded application;
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*Standard pin 2.54mm spacing interface, making it convenient for embedded application.
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*Small, cheap, stackable, opened platfrom;
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*Small, stackable and economic.
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*Open source hardware circuit design, compatible with the Arduino IDE development environment for programming;
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*Open source hardware circuit design and Arduino compatible programming development environment.
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*Defines unified interface Microduino specification and contain rich peripheral modules. Set up the quick connection with other Microduino modules and sensors easily and flexibly.
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*With a uniform Microduino interface standard and rich peripheral modules, it can easily connect with other Microduino modules and sensors.  
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*2.54 pitch row female connector for easy integration into breadboard.
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*2.54mm(0.1 inch) pin pitch, compatible with bread boards and pegboards.
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==Specification==
 
==Specification==
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*Global opened 2.4 GHz ISM band, the maximum 0 DBM transmission power, free license to use;
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*Global open 2.4GHz ISM band with the maximum transmission power of 0DBM and free license to use.
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*Low working voltage: 1.9 ~ 3.6V low voltage;
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*Low operation voltage: 1.9-3.6 V.
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*SMA antenna, easy to replace;
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*SMA antenna, easy to change.
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*Support six channels data reception;
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*Support six channels' data transmission.
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*High rate: 2 MBPS, due to the air transport time is very short, greatly reduce the collision phenomenon in the wireless transmission (software set 2 MBPS or 256 KBPS, 1 MBPS air transmission rate);
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*High rate: 2MBPS. Due to short transmission rate in the air, it largely reduces collision in wireless transmission. (Set 2MBPS or 256 KBPS, 1 MBPS air transmission rate with software)
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*Multi-frequency points: 125 frequency points, support the requirements of multipoint communication and frequency hopping communication;
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*Multi-point frequency: With 125 frequency points, it meets the requirement of multi-point communication and frequency hopping communication.
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*Low power consumption: when work in answer mode communication, fast air transport and the startup time, greatly reduce the current consumption.
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*Low consumption: With fast air transmission and startup, it greatly reduces the current consumption when communicating in the response mode.
  
 
===Pin Description===
 
===Pin Description===
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==Development==
 
==Development==
 
===Arduino library and support package===
 
===Arduino library and support package===
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*Use RF24 library, refer to RF24 library file and RF24Network library file：
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*Use RF24 library, refer to RF24 library file and RF24Network library file:
 
**https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Libraries/_03_Microduino_nRF_RF24
 
**https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Libraries/_03_Microduino_nRF_RF24
 
**https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Libraries/_03_Microduino_nRF_RF24Network
 
**https://github.com/Microduino/Microduino_Tutorials/tree/master/Microduino_Libraries/_03_Microduino_nRF_RF24Network
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*Prepared hardware：Microduino FT232R, Microduino Core*2, Microduino Nrf24*2;
 
*Prepared hardware：Microduino FT232R, Microduino Core*2, Microduino Nrf24*2;
 
*Prepared software：Microduino example program (Arduino part), Arduino IDE(1.0 release and upper), RF24 library, RF24Network library；
 
*Prepared software：Microduino example program (Arduino part), Arduino IDE(1.0 release and upper), RF24 library, RF24Network library；
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*Copy the downlaoded library to libraries folod of Arduino IDE;
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*Copy the downloaded library to libraries folod of Arduino IDE;
 
*Start Arduino IED, open Microduino example program, select board "Microduino Core (Atmega328P@16M,5V)", download directly；
 
*Start Arduino IED, open Microduino example program, select board "Microduino Core (Atmega328P@16M,5V)", download directly；
 
*The sending and receiving wiring picture：
 
*The sending and receiving wiring picture：
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**Sending end can control receiving end's LED by button.
 
**Sending end can control receiving end's LED by button.
 
**Sending end potentiometer can control the lightness of LED for receiving end.
 
**Sending end potentiometer can control the lightness of LED for receiving end.
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 +
==FQA==
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*Does this module have the antenna?
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**Yes.
 +
*Does this module support the voltage conversion from 5V to 3.3V?
 +
**Core and Core+ module doesn’t support this voltage conversion.
 +
*How to control this module running in low power consumption mode or close it directly?
 +
**You use the function pwerDwon() offered by Arduino library.
 +
*What's the work range of this module?
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**100 meters in the open area.
  
 
==Bug==
 
==Bug==

Latest revision as of 04:24, 4 August 2017

Language: English  • 中文
Microduino-nRF24

Microduino-nRF24 is a high-speed embedded wireless data transmission module.

Features

  • Fully integrated link layer on the module makes it easy to develop.
  • With automatic retransmission function, it can automatically detect and resend lost packets and the retransmission time and frequency can be controlled by software.
  • With packets that can automatically save un-received response signals.
  • With automatic reply function, the module can send response signal automatically after receiving valid data and need no reprogramming.
  • Capable of setting six receiving channels' address synchronously and opening the receiving channels selectively.
  • Standard pin 2.54mm spacing interface, making it convenient for embedded application.
  • Small, stackable and economic.
  • Open source hardware circuit design and Arduino compatible programming development environment.
  • With a uniform Microduino interface standard and rich peripheral modules, it can easily connect with other Microduino modules and sensors.
  • 2.54mm(0.1 inch) pin pitch, compatible with bread boards and pegboards.

Specification

  • Global open 2.4GHz ISM band with the maximum transmission power of 0DBM and free license to use.
  • Low operation voltage: 1.9-3.6 V.
  • SMA antenna, easy to change.
  • Support six channels' data transmission.
  • High rate: 2MBPS. Due to short transmission rate in the air, it largely reduces collision in wireless transmission. (Set 2MBPS or 256 KBPS, 1 MBPS air transmission rate with software)
  • Multi-point frequency: With 125 frequency points, it meets the requirement of multi-point communication and frequency hopping communication.
  • Low consumption: With fast air transmission and startup, it greatly reduces the current consumption when communicating in the response mode.

Pin Description

Microduino-nRF24 Spec


NRF24L01 Pin Microduino Pin Function
SCK D13 SPI bus clock
SI D12 Data input pin
SO D11 Data output pin
CSN D10 SPI Chip-select signal (Defined in program)
CE D9 RX or TX Mode selection (Defined in program)

Document

Eagle PCB File:Microduino-nRF24.zip


Main Components

Development

Arduino library and support package

Application

Download Program

Test Program：File:Program Test NRF.zip

Two Microduino core communicate via Nrf24

  • Prepared hardware：Microduino FT232R, Microduino Core*2, Microduino Nrf24*2;
  • Prepared software：Microduino example program (Arduino part), Arduino IDE(1.0 release and upper), RF24 library, RF24Network library；
  • Copy the downloaded library to libraries folod of Arduino IDE;
  • Start Arduino IED, open Microduino example program, select board "Microduino Core (Atmega328P@16M,5V)", download directly；
  • The sending and receiving wiring picture：
Sending wiring picture
Receiving wiring picture


  • Observation
    • Sending end can control receiving end's LED by button.
    • Sending end potentiometer can control the lightness of LED for receiving end.

FQA

  • Does this module have the antenna?
    • Yes.
  • Does this module support the voltage conversion from 5V to 3.3V?
    • Core and Core+ module doesn’t support this voltage conversion.
  • How to control this module running in low power consumption mode or close it directly?
    • You use the function pwerDwon() offered by Arduino library.
  • What's the work range of this module?
    • 100 meters in the open area.

Bug

History

Picture

Microduino nRF24 Front
Microduino nRF24 Back

Video

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