Bảng Mạch Phát Triển Bluetooth Nrf51822 Ble4.0 2.4g

Giới thiệu Bảng Mạch Phát Triển Bluetooth Nrf51822 Ble4.0 2.4g

Brief introduction to floor
Product characteristics:

Board-mounted battery slots support a variety of power modes.
Introduces all io to facilitate user function expansion.
The board contains a cp 2102 for user debugging.
Board-mounted leds and keys, compatible with official resource allocation, user-friendly operation.

(interface)
Core board slot
Easy access to core51822
Mcu pins interface
Introduce all pins to facilitate i/o connection with the external setting.
I2c interface
Easy access to various modules using i2c interfaces.
Spi interface
Easy access to various modules using spi interfaces.
5v to 3.3v power supply input and output interface
Commonly used for external power supply or co-processing with user boards.
Usb interface
After the conversion of cp 2102 usb to uart chip on board, it is converted to uart.
Debugging interface
Support downloading and debugging.
Uart interface
Easy access to modules using the uart interface


(devices)

(jumper note)

The above-mentioned jump-line instructions:

Short jumper: access to i/o specified by the sample program
Diskonnect jumper: you can switch to a custom i/o using a connection line.





Introduction to the core board
Nrf 51822 is a multi-protocol single chip solution for ultra-low power wireless applications.It integrates nordic's first-class wireless transmitter, while supporting bluetooth (r) low energy and a dedicated 2.4ghz protocol stack.

Core 51822 parameters:

Main control chip: nrf51822
Communication distance: 30m (condition: open area/1m rate)
Frequency of work: 2.4ghz
Working voltage: 2.0v~3.6v
Temperature range:-40°C~85°C
Size: 24.5 mm x 32.26 mm (pcb)
Interfaces: all i/o interfaces except p0.26 and p0.27
Needle spacing: 2.00 mm
Spacing between the two sides of the needle: 18.00 mm
Antenna: board-mounted antenna
Introduction nrf51822:

2.4ghz multi protocol wireless radio frequency
32-bit arm corntex m0 processor
128 bit aes hardware encryption processor
256kb flash/16kb ram
Programmable external interface ppi
Full function digital interface: spi/i2c/uart
10 adc
Programmable output power:+4dbm to-20dbm
Application development and protocol stacks are completely independent
Fully compatible with nrf24l series
Compatible with nrf51xxx series tube foot
Global independent power supply management
Working voltage range (1.8v~3.6v)
Main applications:

Wearable equipment
Bluetooth smart applications
Mobile phone outsourcing
Rf smart radio frequency label
Smart household appliances
Industrial control
Data collection system
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