Theleads IO ports of NRF52832 , which is convenient for users to carry out multi-directional development,Small size , low energy Bluetooth wireless module NRF52832The module comes with a high-performance PCB on board antenna andPX antenna The module uses radio frequency chip NRF52832 , supports Bluetooth 4.2Bluetooth 5.0The chip comes with a highperformance AR -M core , and has abundant peripheralresources such as UART , 12C , SPI , AD , DMA , PM etc . The module leads out all the 1O ports of NRF52832 , which is convenient for users tocarry out multi-directional development,Single chip, highly flexible 2.4 GHz multi-protocol SoC, supporting BLE5.0, frequency band 2.4 GHz, 32-bit ARM -M4F processor Supply voltage 3.3V, range 1.8V ~ 3.6V,512kB flash memory + 64kB RAM, +4dBm output power, -95dBm sensitivity, Bluetooth low energy Transmit current: 14mA, Receive current: 5mA,Air link compatible with nRF24L and nRF24AP series, Two rates: 2Mbps/1Mbps,Automatic power management system Configurable I/O 3 x master/slave SPI 2 x two-wire interface (I2C) UART ( / ) 3 x PWM encryption 12-bit ADC Real Time Clock () Digital microphone interface (PDM) colour: blue Material: PCB size: 2.87x1.75x0.4cm Package Contents: 1 * NRF52832 module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.