For Arduino NRF24L01+ Wireless Transceiver Module ARM
|On-board 2.4GHz Antenna|
|100m Range at 250kbps|
|250kbps to 2Mbit Data Rate|
|Multiceiver – 6 Data Pipes|
|32 Byte separate TX and RX FIFOs|
|5V tolerant input pins|
|Software selectable channel from 2400MHz to 2525MHz (125 Selectable channels)|
|Minimum number of external components|
|Pins broken out : VCC, CE, CSN, SCK, MOSI, MISO, IRQ, GND|
|Lots of application notes and support on Nordic Semiconductor Website|
|For Arduino Sample Code (Please GOOGLE it!)|
NRF24L01 is a single-chip transceiver work in the 2.4-2.5GHz worldwide ISM band single-chip transceiver,
wireless transceiver, including: the frequency generator ,the enhanced SchockBurstTM mode,
controller power amplifier ,crystal amplifier modulator ,demodulator output power, channel
selection and protocol settings can be to through the SPI interface to carried out the the
settings ,the extremely low current consumption, lower When the work in the the launch mode
launch power is for the current in the 6dBm O’clock consumption for the the 9.0mA to accept
mode for the the current consumption mode in the under the the 12.3mA Power-down mode and standby mode.
Ball to open ISM band maximum 0dBm transmit power, license-exempt use. The open 100 meters!
Support six channels of data reception
1. low operating voltage: 1.9 ~ 3.6V low-voltage work
2. High-speed rate : 2Mbps, As the air transmission time is a very short, greatly reduces the
collision in the the wireless transmission (software settings 1Mbps or 2Mbps in the air
3.Multi-frequency points: 125 frequency points, to meet the multi-point communications and frequency hopping
4. ultra-compact: built-in 2.4GHz antenna, small size, 15x29mm (including antenna)
5. Low power consumption: when in answer mode communication, fast air transmission and start-up time greatly
reduce the current consumption.
6.Low application cost: nRF24L01 integrated RF protocol high-speed signal processing section, such as: automatically
resend lost packets and automatically generate an acknowledge signal, etc. the nRF24L01 The SPI interface can take
advantage of the microcontroller hardware SPI port or microcontroller I / O port to simulate the internal FIFO can
be used with a variety of low-speed microprocessor interface, easy to use low-cost microcontroller.
7. to facilitate the development: the link layer is fully integrated in the module, very easy to develop.
Automatic retransmission function, automatic detection and retransmission of lost packets, the retransmission
time and the number of retransmission can be software-controlled automatic storage is not received the packet
of the response signal auto-answer, after the receipt of a valid data, the module automatically sends the reply
fixed frequency detection signals without any additional programming Carrier Detect – built-in hardware CRC error
detection and point-to-multipoint communication address control packet transmission error counter and carrier
detection can be used for frequency hopping set can also set up six to receive the channel address, can have a
choice of open receive channel standard the pin Dip2.54MM spacing interfaces for embedded applications.
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