The HZX-51822-16M04 is a highly integrated Bluetooth 4.0 BLE module. The module is designed based on Nordic Semiconductor nRF51822 radio Transceiver IC– the Multiprotocol Bluetooth 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra-low power) wireless, has a 32 bit ARM Cortex-M0 CPU, flash memory and analog and digital peripherals. The HZX-51822-16M04 provides a low power and ultra-low-cost BLE and proprietary protocols for wireless transmission applications. The HZX-51822-16M04 is a 17mm×25mm micro-module with embedded PCB antenna. It allows developers to take full advantage of the nRF51822 by making all its I/O ( except P0.26 and P0.27 for 32.768 kHz crystal oscillator )available via 36 SMD/Through-hole 1.1mm pitch pads. The module can be mounted with header pins in order to re-use during development and prototyping phase and SMD it for production to be the most cost-effective. You can choose the module HZX-51822-16M04G, which has an ultra-low-power high-performance three-axis linear accelerometer device(G-sensor)—LIS3DH

Specifications & Features

Onboard chip: nRF51822qfaa (you can use nRF51822qfac instead if necessary )

Communication distance (open outdoor@1M data rate): 30m

Frequency range: 2.4GHz

256kB flash & 16kB RAM(nRF51822qfaa) or 32kB RAM(nRF51822qfac)

Operating voltage: 2.0V ~ 3.6V(Internal LDO) or 1.8V~3.6V(External LDO)

Operating temperature: -40℃ ~ 85℃

Programmable output power: -20 to +4 dBm

Expansion pinheader: all the I/Os except P0.26 and P0.27 (used for 32.768 kHz crystal oscillator)

Digital interfaces: SPI Master/Slave, I2C, UART(CTS/RTS)

CPU independent programmable Peripheral Interconnect(PPI)

Fully compatible with NRF24L series

8/9/10bit ADC- configurable

S100 series SoftDevice ready

Quadrature Decoder (QDEC)

AES HW encryption

Real Timer Counter (RTC)

Antenna: onboard antenna

Ultra-low-power high performance three-axis linear accelerometer device

Applications

Computer peripherals and I/O devices

Mouse
Keyboard
Multi-touch trackpad

Interactive entertainment devices

Remote control
3D Glasses
Gaming controller

Personal Area Networks

Health/fitness sensor and monitor devices
Medical devices
Key-fobs + wrist watches

Remote control toys

Beacons

Bluetooth Gateway

Indoor Location

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