RP2040-BLE is a mini RP2040 development board, with Bluetooth 5.1 dual mode function, allowing controlling by serial AT commands compatible with 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 compatible with 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 compatible with custom peripheral support. Cable Connection Please read this section and the precautions before connection, otherwise the device may be damaged or short-circuited! FPC connector update in V1.1 version and above can bring you a better experience, which can be identified by the back of the Rev/. / compatible with version differentiation. Open the flip cover of the cable connector. Please make sure to install the cable in the center. Close the flip cover. Normally, the flip cover should be closed completely. If the cable is not properly installed, it may prevent the flip cover from closing correctly. Please adjust the position of the cable and try to close the flip cover again.