![]() The CE and CSN pins (yellow and green wires in the diagram) can be connected to any two unused digital pins. The pinout for the RF module is summarized in the following diagram from Addicore. If you’d like to learn more about the SPI protocol, check out our Arduino Communication Protocols Tutorial ! ![]() ![]() The actual pinout, however, differs from the ESP-01 module because the RF module uses a different communication protocol-SPI-to communicate with other devices. Similar to the ESP-01, the RF module has a 4 x 2 male header interface. The nRF24L01+ is based on the Nordic Semiconductor nRF24L01+ “RF transceiver IC for the 2.4GHz ISM (Industrial, Scientific, and Medical) band.” SpecsĢ50kbps, 1 Mbps, 2Mbps on air transmission data ratesĦ data pipes Step by Step Guide to Using an NRF24l01+ Module with Arduinoįirst, we’ll cover the hardware portion of using the module. For the purposes of this tutorial, we’ll be demonstrating interfacing the module with an Arduino Uno microcontroller. In this tutorial, we hope to introduce the fundamentals of using this RF module, while also explaining how it communicates with other RF modules and microcontrollers. The nRF24L01+ and the ESP8266 ESP-01 share similar form factors and pin layouts (and even look the same from afar!) but are controlled and function quite differently. Today, we’ll be discussing the nRF24L01+ RF module, a kind of sister module to the ESP8266 ESP-01 that allows users to add wireless radio frequency communication to their projects. Previously, we covered a tutorial on ESP8266-01 ( ESP8266 Setup Tutorial ), a small-footprint WiFi module designed to allow users to easily add WiFi functionality to their projects. Step by Step Guide to Using an NRF24l01+ Module with Arduino.
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