Description
PCB For Si24Ri NRF24L01 Compatible RF SPI Module ,use this link as soldering guide and bill of materials also included
Features
- Working voltage: 1.9V~3.6V
- IO port voltage: compatible with 3.3V/5V
- Working frequency band: 2.4GHz ISM band
- Control method: four-wire SPI (<=10MHz)
- Data rate: 2Mbps/1Mbps/250Kbps
- Receiving sensitivity: <-83dBm @2MHz
- Maximum transmit power: 7dBm
product description
This module uses the SI24R1 chip as the core and cooperates with the onboard antenna to achieve the transmission and reception of 2.4G radio frequency signals. The two modules are used together to achieve medium and long-distance wireless communication.
Pin function table
| label |
describe |
| GND, VDD |
Module power supply: 3.3V |
| CE |
Chip on signal activates RX or TX mode |
| CSN |
SPI chip select signal |
| SCK |
SPI clock signal |
| MOSI |
SPI data line: host output, slave input |
| MISO |
SPI data line: host input, slave output |
| IRQ |
Maskable interrupt signal (active low) |
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