Parameter
Main control chip:nRF51822
Communication distance:30m (condition:open area / 1M rate)
Working frequency band:2.4GHz
Working voltage:2.0V ~ 3.6V
Temperature range:-40→ ~ 85→
Dimensions:24.5mm x 32.26mm (PCB)
Interface:All I/O interfaces except P0.26 and P0.27
Pin spacing:2.00mm
Pin spacing on both sides:18.00mm
Antenna:Onboard antenna
Application
Wearable device
Bluetooth Smart Application
Mobile phone peripherals
RF smart radio frequency tag
Smart home appliances
industrial control
data collection system
nRF51822 Introduction
nRF51822 is a multi-protocol single-chip solution for ultra-low power wireless applications (ULP wirelesss applications).
It integrates Nordic’s first-class wireless transmitter, and supports Bluetooth(R) low energy and a dedicated 2.4GHz protocol stack.
Basic situation
2.4GHZ multi-protocol radio frequency
32-bit ARM Cortex M0 processor
128-bit AES hardware encryption processor
256kB flash / 32kB RAM
Programmable peripheral interface PPI
Full-featured digital interface: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
Pin compatible with NRF51xxx series
Global independent power management
Operating voltage range (1.8 V ~ 3.6 V)
Feature
The onboard battery slot supports multiple power supply methods.
Lead out all IOs to facilitate user function expansion.
An on-board CP2102 is convenient for users to debug.
Onboard LEDs and buttons are compatible with official resource allocation for user convenience.
Package includes
1 x BLE400 development board
1 x Core51822
1 x USB cable type A male port to mini-B male port
[Interface]
1. Core board slot
Easy access to Core51822
2. MCU pin interface
Lead out all pins to facilitate I/O connection with peripherals.
3. I2C interface
Convenient access to various modules using I2C interface.
4. SPI interface
Convenient access to various modules using SPI interface.
5. 5V and 3.3V power input and output interface
Commonly used for external power supply, or common ground processing with user board.
6. USB interface
After onboard CP2102 USB TO UART chip conversion, it is converted to UART.
7. Debug interface
Support download and debug.
8. UART interface
Easy access to various modules using UART interface
[Device]
9. Power supply battery holder
10. LED indicator
11. User buttons
12. Reset button
13. CP2102
USB to serial chip
[Jumper description]
14. USB TO UART jumper
15. LED and button jumper
Instructions for using the above jumper
Short jumper:access to the I/O specified in the sample program;
Disconnect the jumper:you can use the connection cable to access the custom I/O instead.
Additional information
| Weight | 0.125 kg |
|---|
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