NRF51822
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NRF51822 Bluetooth module The NRF 51822 BLE 4.0 Bluetooth Module Wireless Low-power Development Board is a versatile wireless module optimized for ultra-low power wireless applications. It utilizes the nRF 51822, which is a multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC developed by Nordic Semiconductor. Built around the nRF 51822 SoC, the Core51822 wireless module provides an easy-to-use interface for developers who want to incorporate Bluetooth connectivity into their projects. This module is ideal for wireless sensors, health and fitness trackers, smart home automation, and more. One of the standout features of the nRF 51822 is its ultra-low power consumption. With less than 10 µA power consumption in sleep mode, the nRF 51822 can operate for several years on a single coin cell battery. Designed to be user-friendly and integrate seamlessly with existing projects, the Core51822 module includes all necessary components, such as an onboard antenna, voltage regulator, and crystal oscillator. Additionally, it has several input and output pins that can be used to connect to other devices and sensors, making it a versatile option for various applications. Features: 2.4 GHz multiprotocol RF transceiver ARM® Cortex M0 32 bit processor 128 bit AES HW encryption 256kB flash & 32kB RAM Programmable Peripheral Interconnect (PPI) 10 bit ADC Programmable output power: -20 to +4 dBm Independent application development and protocol stack Fully compatible with NRF24L series Pinout compatible with NRF51xxx series Global separate power management Onboard Antenna Applications: Wearable devices Bluetooth intelligent application Mobile phone accessories RFID labels Smart home appliances Industry control Data acquisition system
- ARM Cortex-M0 32-bit processor
- 256kB Flash & 32kB RAM
- Ultra-low sleep current: <10 µA
- Onboard antenna & voltage regulator
- Supports BLE 4.0 & 2.4 GHz RF
- 128-bit AES hardware encryption
- Programmable output power: -20 to +4 dBm
- Arduino IDE compatible
- Ultra-low power consumption for battery-operated devices
- Multiprotocol 2.4 GHz and BLE support
- Onboard antenna eliminates need for external RF components
- Secure communication with hardware AES encryption
- Flexible I/O and sensor interfacing via GPIO and ADC
- Compatible with Arduino IDE and nRF51xxx ecosystem
| Frequency band | 2.4GHz ISM ( 2.40000 – 2.4835GHz) |
|---|---|
| On-air data rate | 250 kbps, 1 Mbps or 2 Mbps |
| Modulation | GFSK |
| Output power | Programmable: +4 to -20dBm in 4dB steps |
| Sensitivity | -92.5dBm Bluetooth low energy -96dBm at 250kb -90dBm at 1Mbs -85dBm at 2Mbs |
| Radio current consumption LDO at 1.8V | 16mA – TX at +4dBM output power 10.5mA – TX at 0dBm output power 13mA – RX at 1Mbs |
| Radio current consumption DC-DC at 3V | 10.5mA – TX at +4dBm output power 8.1mA – TX at 0dBm output power 9.5mA – RX at 1Mbs |
| Microcontroller | 32-bit ARM Cortex M0 |
| Program Memory | 256kB Flash |
| RAM | 16kB |
| Oscillators | 16MHz crystal oscillator 16MHz RC oscillator 32kHz crystal oscillator 32kHz RC oscillator (±250 ppm) |
| System current consumption | 420nA – No RAM retention 530nA - 8k RAM retention 2?A – All peripherals in IDLE mode |
| Hardware Security | 128-bit AES ECB/CCM/AAR co-processor |
| GPIO | 31 configurable |
| Digital I/O | X2 Hardware SPI master 2X 2-wire master UART Quadrature demodulator |
| Peripherals | 10-bit ADC RNG Temperature sensor RTC |
| PPI | 16-channel |
| Voltage regulator | LDO (1.8 to 3.6V), LDO bypass (1.75 to 1.95V) Buck DC/DC (2.1 to 3.6V) |
| Timers/counters | 2 x 16 bit, 1 x 24bit, 2 x 24bit, RTC |
| Package options | RoHS compliant 48-pin 6x6 QFN |
Is the nRF51822 compatible with Arduino?
Yes, the nRF51822 can be programmed using Arduino IDE with compatible bootloaders and libraries.
What is the power consumption of the nRF51822 in sleep mode?
Less than 10 µA, making it ideal for battery-powered IoT and wearable devices.
Can the nRF51822 be used for wireless sensor networks?
Yes, it supports BLE 4.0 and 2.4 GHz RF, suitable for low-power sensor networks and smart home systems.
Does the module include an onboard antenna?
Yes, it features an integrated antenna for reliable wireless communication without external components.
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About NRF51822 by Iotcart
Shop Nordic nRF51822 2.4GHz BLE 4.0 SoC Module. Ultra-low power, ARM Cortex-M0, 256kB Flash. Compatible with Arduino & Raspberry Pi.
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