BinKey

nrf24l01-wireless-modules

5 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

nRF24L01+ Wireless Modules Collection

Details

  • Location: Cabinet-3, Bin 18
  • Category: Wireless Modules
  • Brand: MakerFocus
  • Chip: nRF24L01+ (Nordic Semiconductor)
  • Total Quantity: 16 modules
  • Amazon Products: Two different variants purchased

Description

Collection of nRF24L01+ wireless transceiver modules from MakerFocus, featuring both standard and extended-range variants. These 2.4GHz ISM band transceivers are popular for Arduino and Raspberry Pi projects, offering reliable wireless communication with auto-acknowledge and auto-retransmit capabilities.

Module Variants

Standard nRF24L01+ Modules (10 pieces)

  • Product: MakerFocus 10pcs NRF24L01+ 2.4GHz Wireless RF Transceiver Module
  • Quantity: 10 modules
  • Range: Standard range (up to 100m line of sight)
  • Features:
    • Basic nRF24L01+ chip
    • Compact PCB antenna
    • Low power consumption
    • SPI interface
    • 6 data reception channels
    • Auto-acknowledge and auto-retransmit

Extended Range PA+LNA Modules (6 pieces)

  • Product: MakerFocus 3pcs nRF24L01+PA+LNA with Antenna + 3pcs Breakout Adapter
  • Quantity: 3 PA+LNA modules + 3 breakout adapters
  • Range: Extended range (up to 1100m with external antenna)
  • Features:
    • nRF24L01+ with Power Amplifier (PA) and Low Noise Amplifier (LNA)
    • External SMA antenna connector
    • 3 included 2.4GHz antennas
    • 3 breakout adapters with 3.3V regulators
    • Enhanced transmission power and sensitivity

Images

Standard nRF24L01+ Wireless Modules

Extended Range nRF24L01+ PA+LNA Modules

Technical Specifications

Core nRF24L01+ Chip

  • Manufacturer: Nordic Semiconductor
  • Frequency: 2.4GHz ISM band (2.400 - 2.4835 GHz)
  • Data Rate: 250kbps, 1Mbps, 2Mbps
  • Channels: 125 selectable channels
  • Output Power: 0dBm (standard), +20dBm (PA+LNA variant)
  • Sensitivity: -94dBm (standard), enhanced with LNA
  • Supply Voltage: 1.9V - 3.6V

Communication Features

  • Protocol: Enhanced ShockBurst™
  • Auto-Acknowledgment: Automatic packet acknowledgment
  • Auto-Retransmit: Configurable retransmission
  • Dynamic Payload: 1-32 bytes per packet
  • Multiceiver: Up to 6 data pipes
  • Address Width: 3, 4, or 5 bytes

Interface Specifications

  • Interface: SPI (up to 10Mbps)
  • Control Pins: CE (Chip Enable), CSN (SPI Chip Select), IRQ (Interrupt)
  • Power Modes: Power down, standby, RX, TX
  • Current Consumption:
    • TX: 11.3mA (0dBm), 115mA (PA+LNA at +20dBm)
    • RX: 13.5mA (standard), enhanced with LNA
    • Power Down: 900nA

Range Comparison

Standard nRF24L01+ Modules

  • Indoor Range: 10-30 meters
  • Outdoor Range: 50-100 meters (line of sight)
  • Antenna: PCB trace antenna
  • Best For: Short-range applications, low power projects

PA+LNA Extended Range Modules

  • Indoor Range: 100-300 meters
  • Outdoor Range: 500-1100 meters (line of sight)
  • Antenna: External SMA antenna (included)
  • Best For: Long-range applications, outdoor projects

Applications

Home Automation

  • Sensor Networks: Temperature, humidity, motion sensors
  • Remote Controls: Wireless switches and dimmers
  • Security Systems: Door/window sensors, alarms
  • Smart Devices: IoT device communication

Robotics Projects

  • Remote Control: Robot control and telemetry
  • Sensor Data: Wireless sensor feedback
  • Multi-Robot: Robot-to-robot communication
  • Base Station: Central control systems

Arduino/Raspberry Pi Projects

  • Weather Stations: Remote sensor data collection
  • RC Vehicles: Radio-controlled cars, drones
  • Data Logging: Wireless data transmission
  • Gaming: Wireless controllers and interfaces

Arduino Compatibility

Wiring Connections

Arduino Uno Connection

nRF24L01+      Arduino Uno
----------     -----------
VCC       →    3.3V (IMPORTANT: NOT 5V!)
GND       →    GND
CE        →    Pin 9
CSN       →    Pin 10
SCK       →    Pin 13 (SCK)
MOSI      →    Pin 11 (MOSI)
MISO      →    Pin 12 (MISO)
IRQ       →    Pin 2 (optional)

WARNING: nRF24L01+ is 3.3V only! Using 5V will damage the module.

Raspberry Pi Pico Connection

nRF24L01+      Pico
----------     ----
VCC       →    3V3
GND       →    GND
CE        →    GP15
CSN       →    GP17
SCK       →    GP18 (SPI0 SCK)
MOSI      →    GP19 (SPI0 MOSI)
MISO      →    GP16 (SPI0 MISO)
IRQ       →    GP2 (optional)

ESP32 Connection

nRF24L01+      ESP32
----------     -----
VCC       →    3.3V
GND       →    GND
CE        →    GPIO4
CSN       →    GPIO5
SCK       →    GPIO18 (SCK)
MOSI      →    GPIO23 (MOSI)
MISO      →    GPIO19 (MISO)
IRQ       →    GPIO2 (optional)

Power Supply Notes

  • Critical: nRF24L01+ requires 3.3V power supply
  • Current: Can draw up to 13.5mA during transmission
  • Decoupling: Add 10µF and 100nF capacitors near VCC pin
  • Voltage Regulator: Use dedicated 3.3V regulator for Arduino 5V boards

Required Libraries

  • RF24: Primary Arduino library for nRF24L01+
  • RF24Network: Mesh networking capabilities
  • RF24Mesh: Dynamic mesh networking
  • TMRh20/RF24: Enhanced version with additional features

Basic Code Example

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
 
RF24 radio(9, 10); // CE, CSN pins
const byte address[6] = "00001";
 
void setup() {
  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MIN);
  radio.stopListening();
}
 
void loop() {
  const char text[] = "Hello World";
  radio.write(&text, sizeof(text));
  delay(1000);
}

Breakout Adapter Features (PA+LNA Kit)

3.3V Voltage Regulator

  • Input: 5V from Arduino
  • Output: 3.3V for nRF24L01+ module
  • Current: Sufficient for PA+LNA operation
  • Protection: Overcurrent and thermal protection

Additional Features

  • LED Indicator: Power-on status LED
  • Pin Compatibility: Standard nRF24L01+ pinout
  • Mounting: Breadboard and perfboard compatible
  • Size: Compact design for easy integration

Power Considerations

Standard Modules

  • Arduino 3.3V: Can power directly from Arduino 3.3V pin
  • Current Draw: Low current, suitable for battery operation
  • Decoupling: 10µF capacitor recommended for stable operation

PA+LNA Modules

  • External Power: Requires dedicated 3.3V supply or breakout adapter
  • High Current: Up to 115mA during transmission
  • Capacitor: 10µF or larger capacitor essential for stable operation
  • Power Supply: Use breakout adapter or external 3.3V regulator

Troubleshooting Tips

Common Issues

  • No Communication: Check wiring and power supply
  • Short Range: Verify antenna connection and orientation
  • Intermittent Operation: Add decoupling capacitors
  • Power Problems: Use adequate power supply for PA+LNA modules

Best Practices

  • Antenna Placement: Keep antennas clear of metal objects
  • Power Supply: Use stable, clean power source
  • Grounding: Ensure good ground connections
  • Channel Selection: Use clear channels to avoid interference

Advantages

Design Benefits

  • Low Cost: Affordable wireless communication solution
  • Easy Integration: Simple SPI interface
  • Arduino Compatible: Extensive library support
  • Flexible Range: Multiple variants for different applications

Technical Benefits

  • Reliable Protocol: Enhanced ShockBurst with error correction
  • Low Power: Suitable for battery-powered applications
  • Multi-Channel: Avoid interference with channel hopping
  • Bidirectional: Full duplex communication capability

Package Contents

Standard Module Kit (10 pieces)

  • 10x nRF24L01+ wireless transceiver modules
  • Compact PCB antenna design
  • No additional accessories

PA+LNA Extended Kit (6 pieces total)

  • 3x nRF24L01+PA+LNA wireless transceiver modules
  • 3x SMA 2.4GHz antennas (1100m range)
  • 3x nRF24L01+ breakout adapters with 3.3V regulators
  • Power indicator LEDs on breakout boards

Tags

nrf24l01, wireless, 2.4ghz, arduino, raspberry-pi, makerfocus, rf-transceiver

Notes

This collection provides both standard and extended-range wireless communication options for various project requirements. The standard modules are perfect for short-range, low-power applications, while the PA+LNA modules excel in long-range outdoor projects. The included breakout adapters make the high-power modules easy to use with 5V Arduino systems. Both variants use the same software libraries and programming interface, making them interchangeable in most applications.

Graph View

Backlinks