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Waveshare nRF51822 2.4GHz Wireless Bluetooth V4.0 Development Board Module w/ Antenna - Deep Blue
A multi-protocol single-chip solution for ULP wireless application; Integrated Nordic wireless transmitter; Support bluetooth low energy and 2.4GHz protocol Core 51822: Main chip: nRF51822 Communication range: 30m (in open area£¬ 1Mbps) Working frequency: 2.4GHz Working voltage: 2~3.6V Temperature range: -40~85'C Interface: All I/O£¬ except P0.26 and P0.27 Pin space: 2.0mm Pin side space: 18mm Antenna: on board nRF51822: 2.4GHz wireless transmitter 32bit ARM Cortex MO processor 128bit AES encryption processor 256kB flash / 16kB RAM Support external PPT interface Digital interfaces: SPI / I2C / UART 10bit ADC Programmable output power: +4~-20dBm Compatible w/ NRF24L series and NRF51xxx series pin Independent power management Working voltage: 1.8~3.6V Application: wearable devices£¬ bluetooth smart device£¬ mobile phones£¬ RF smart tag£¬ smart home appliances£¬ industry control and data collection system