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