Overview RP2040-BLE is a mini RP2040 development board , with Bluetooth 5.1 dual mode function, allowing controlling by serial AT commands for quick start-up, which can realize Bluetooth wireless communication. With 14 multi-function GPIO pins on a very small board and castellated holes on the PCB edge, it is easy and fast to integrate into your project. Features RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz. 264KB of SRAM, and 2MB of onboard Flash memory. Supports Bluetooth 5.1 dual mode function. Onboard Bluetooth module, allows controlling by serial AT commands for quick start-up. Castellated module allows soldering directly to carrier boards. Drag-and-drop programming using mass storage over USB. Adapting 24 × pins including 14 × multi-function GPIO pins. 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 14 × controllable PWM channels. Temperature sensor. Accelerated floating-point libraries on-chip. 8 × Programmable I/O (PIO) state machines for custom peripheral support. Package Content RP2040-BLE x1