Nordic nRF51822 Bluetooth BLE Microcontroller Module

The nRF51822 Bluetooth Module is a 2.4GHz Bluetooth 4.0 Development board supporting BLE (Bluetooth Low Energy) and featuring an ARM Cortex M0 32-bit processor with a multi-protocol RF transceiver.

The nRF51822 Bluetooth Module combines a powerful, 32 bit microcontroller with a 2.4GHz frontend that supports Bluetooth BLE and ANT/ANT+ communication standards.

• 2.4 GHz transceiver
• -93 dBm sensitivity in Bluetooth® low energy mode
• 250 kbps, 1 Mbps, 2 Mbps supported data rates
• TX Power -20 to +4 dBm in 4 dB steps
• TX Power -30 dBm Whisper mode
• 13 mA peak RX, 10.5 mA peak TX (0 dBm)
• 9.7 mA peak RX, 8 mA peak TX (0 dBm) with DC/DC
• RSSI (1 dB resolution)
• ARM® Cortex™-M0 32 bit processor
• 275 μA/MHz running from flash memory
• 150 μA/MHz running from RAM
• Serial Wire Debug (SWD)
• S100 series SoftDevice ready
• Memory
• 256 kB flash program memory
• 32 kB RAM
• On-air compatibility with nRF24L series
• Flexible Power Management
• Supply voltage range 1.8 V to 3.6 V
• 4.2 μs wake-up using 16 MHz RCOSC
• 0.6 μA at 3 V OFF mode
• 1.2 μA at 3 V in OFF mode + 1 region RAM retention
• 2.6 μA at 3 V ON mode, all blocks IDLE
• 8/9/10 bit ADC - 8 configurable channels
• 31 General Purpose I/O Pins
• One 32 bit and two 16 bit timers with counter mode
• SPI Master/Slave
• Low power comparator
• Temperature sensor
• Two-wire Master (I2C compatible)
• UART (CTS/RTS)
• CPU independent Programmable Peripheral Interconnect (PPI)
• Quadrature Decoder (QDEC)
• AES HW encryption
• Real Time Clock (RTC)

For more details, please see the nRF51822 datasheet.

Guide to start with nRF51822 Bluetooth Module and Arduino (YouTube link).