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MD0038 – NRF24L01 2.4GHz Wireless Transceiver Module

Key Features

  • Frequency: 2.4GHz ISM Band (2.400 – 2.4835GHz)
  • Operating Voltage: 1.9V to 3.6V (commonly 3.3V)
  • Data Rate: Software-configurable (1Mbps or 2Mbps)
  • Modulation: GFSK (Gaussian Frequency Shift Keying)
  • Interface: SPI (Serial Peripheral Interface)
  • Power Consumption: Low (e.g., ~12.3mA in TX, ~9mA in Power-down)
  • Range: Up to 100m (open air, standard module); up to 1000m with PA+LNA version
  • Channels: 125 selectable channels for multi-point/frequency hopping
  • Features: Enhanced ShockBurst™ mode controller, Power Amplifier (on PA+LNA), Low-Noise Amplifier (on PA+LNA)
  • Size (Standard): Compact (e.g., 15x29mm with antenna)

Key Takeaways:

  • Operates with microcontrollers like Arduino via SPI.
  • Requires level shifting (3.3V logic) for 5V MCUs.
  • PA+LNA versions offer significantly extended range.
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