Description: The NRF24L01 is a low-cost, low-power, highly reliable wireless module based on the NRF24L01+ chipset. It operates in the 2.4GHz ISM band, making it ideal for a wide range of wireless communication applications. The module uses a PCB antenna to provide reliable wireless communication and is often used for simple, short-range wireless projects, like remote control systems, sensor networks, and home automation.
This version of the module comes with a PCB antenna, which is a small integrated antenna that is printed directly on the module's PCB. This model is compact and is more suitable for small form factor devices compared to versions with external antennas.
Specifications:
Specification
Details
Chipset
NRF24L01+
Frequency Range
2.4 GHz ISM Band (2.400 GHz to 2.483 GHz)
Data Rate
Up to 2 Mbps
Power Supply
3.3V (5V tolerant on the logic level pins)
Interface
SPI (Serial Peripheral Interface)
Transmission Distance
Up to 100 meters (depending on environment)
Max Output Power
0 dBm
Antenna
PCB Antenna
Operating Temperature
-40°C to 85°C
Receiver Sensitivity
-95 dBm (Low power consumption and noise)
Current Consumption
11.3 mA (transmitting at 0dBm)
Sleep Current
900nA (ultra-low power consumption)
Dimensions
27mm x 15mm x 4mm
Key Features:
Low Power Consumption: Ideal for battery-powered projects, with ultra-low sleep mode current consumption (900nA).
Long Range (up to 100 meters): Suitable for short-to-medium range wireless communication.
High Data Transfer Rate (2 Mbps): Efficient for transmitting sensor data, control signals, and simple communication between devices.
Compact and Lightweight: Small form factor makes it ideal for compact designs and embedded systems.
Easy Integration: Works with most microcontrollers (e.g., Arduino, ESP32, STM32) via SPI communication.
Simple Interface: Uses the popular SPI interface for communication, making it easy to integrate into existing systems.
Applications:
Wireless Sensor Networks: Connect multiple sensor nodes to a central hub or gateway for data collection in remote or hard-to-reach areas.
Home Automation: Control lights, fans, security systems, and other appliances wirelessly using multiple NRF24L01 modules.
Robotics: Enable wireless communication between robot controllers and modules, or between multiple robots for coordination.
Remote Control Systems: Use in DIY remote control projects like remote control cars, robots, and other wireless devices.
IoT Projects: Connect IoT devices like weather stations, smart home gadgets, and industrial sensors to a wireless network.
Usage Tips:
Power Supply: The module operates on 3.3V, so it is important to provide a stable 3.3V power supply. A voltage regulator or a 3.3V regulated power supply is recommended.
SPI Communication: The NRF24L01 module communicates using the SPI protocol. Make sure the microcontroller used (e.g., Arduino, ESP32) supports SPI communication. Connections typically include pins for MISO, MOSI, SCK, and CSN.
Antenna Orientation: The PCB antenna works best when positioned with minimal obstruction and kept clear from metallic objects, which may interfere with the signal.
Libraries for Arduino: For Arduino users, there are libraries like RF24 that simplify working with the NRF24L01 module. These libraries handle the low-level details of communication, so users can focus on their application logic.
Improved Range: For better range and reliability, consider using the version with an external antenna (NRF24L01+ with external antenna), especially for applications requiring longer communication distances.
The NRF24L01 PCB Antenna Module is perfect for creating wireless communication systems in IoT, robotics, and embedded projects. With a low cost, low power consumption, and easy integration, it remains one of the most popular choices for hobbyists and developers building wireless systems.
