NRF51822 module Bluetooth module BLE4.0 development board 2.4G low-power onboard antenna
Product Descriptions:
One sentence self introduction
I am a Bluetooth 4.0 module based on nRF51822, which is compact in size, stable and reliable, and can be directly applied to products.
My parameters
Main control chip: nRF51822
Communication distance: 30m (conditions: open area/1M speed)
Working frequency band: 2.4GHz
Working voltage: 2.0V~3.6V
Temperature range: -40 ℃~85 ℃
Size: 24.5mm x 32.26mm (PCB)
Interface: All I/O interfaces except P0.26 and P0.27
Needle spacing: 2.00mm
Needle spacing on both sides: 18.00mm
Antenna: onboard antenna
My application
wearable devices
Bluetooth smart application
Mobile phone peripherals
RF intelligent RF tag
Smart home appliances
Industrial control
data acquisition system
Introduction to nRF51822
NRF51822 is a multi protocol single-chip solution designed for ultra-low power wireless applications (ULP wireless applications).
It integrates Nordic's wireless transmitter, while supporting Bluetooth (R) low energy and a dedicated 2.4GHz protocol stack.
The basic situation is:
2.4GHz Multi Protocol Wireless RF
32-bit ARM Cortex M0 processor
128 bit AES hardware encryption processor
256kB flash / 32kB RAM
Programmable Peripheral Interface PPI
Fully functional digital interfaces: SPI/I2C/UART
10 bit ADC
Programmable output power:+4dBm to -20dBm
Application development and protocol stack are completely independent
Fully compatible with NRF24L series
Compatible with NRF51xxx series pins
Global independent power management
Operating voltage range (1.8 V~3.6 V)
Download path: www.waveshare.net/wiki/Core51822
