Clutterfree LLC NRF24 Manuel D’Utilisation
USERS MANUAL FOR
NRF24 TRANSCEIVER
OVERVIEW:
The NRF24L01 RF Module is configured on a printed circuit board to include the Nordic
NRF24L01+ QFM 20 Integrated circuit, antenna matching network, antenna and
NRF24L01+ QFM 20 Integrated circuit, antenna matching network, antenna and
interface to a microprocessor.
Antenna: The antenna is configured as a simple dipole operating in the range of 2400
MHz to 2480MHz with a measured gain of –7.7dBi across the range.
The antenna is arranged on the printed circuit board
The antenna is arranged on the printed circuit board
The NRF24L01+ Nordic single chip transceiver is interfaced to a microprocessor by the
use of a connector at one end of the pc board. The interface lines to the
microprocessor consist of:
microprocessor consist of:
1. Input power 3.3V filtered
2. Chip Enable (CE) brought low while loading data or copying received packet.
2. Chip Enable (CE) brought low while loading data or copying received packet.
Brought high to set active receive or transmit mode.
3. Chip Select N (CSN). SPI slave select pin; brought low to initiate SPI
transaction, and brought high to complete the transaction.