The nRF51 Series is a family of ultra-low power wireless System-on-Chip (SoC) solutions from Nordic Semiconductor, featuring a 2.4 GHz transceiver and ARM Cortex-M0 processor. Ideal for Bluetooth Smart, ANT, and 2.4GHz proprietary applications in IoT devices.

Core: 32-bit ARM Cortex-M0 Frequency: 2.4 GHz ISM band Transceiver: Multi-protocol (Bluetooth Low Energy, ANT, proprietary) Operating Voltage: 3.6V to 5V (Development Kit) Flash Memory: Up to 256KB (varies by model) RAM: Up to 16KB Peripherals: ADC, SPI, I2C, UART, PWM, Timer Operating Temperature: -40°C to +85°C Development Kit Dimensions: Standard PCB form factor (approx. 80x60mm, varies by board) Protocol Support: Bluetooth 4.0, ANT, 2.4GHz proprietary

