micro:bit V2.2 Upgraded Processor Built-In Speaker And Microphone Touch Sensitive Microphone and LED indicator

Description Microbit expansion board It is a function expansion board for Microbit board and supports Scratch Python programming It has 4LEGO Socket through compatible with BBC Micro bit board and LEG0 you can DIY more interesting cases Features 1 3 5mm audio interface2 5 metal interfaces seamlessly connected to micro bit 0 1 2 3V GND pins to protect Micro bit metal interface3 USB 5V 1A power supply for maximum driving force 5V 1A self recovery fuse 4 3 3V and 5V power interface5 Support 3V 5V sensor module6 Micro bit all pins lead7 Bring your own buzzer switching switch used to switch buzzer music output and audio port sound output 8 With compatible forLEGO pin holes9 Yellow and black differentiated 3pin interfaceORIGINALV2 2 This item PROCESSORNordic SemiconductorNordic SemiconductornRF51822nRF52833MEMORY256KB Flash 16KB RAM512KB Flash 128KB RAMINTERFACE CHIPNXP KL26Z 16KB RAMNXP KL27Z 32KB RAMMICROPHONEN AMEMS microphone and LED indicatorSPEAKERN AOn board speakerTOUCHN ATouch sensitive logo pinEDGE CONNECTOR25 pins 3 dedicated GPIO PWM I2C SPI and ext power 25 pins 4 dedicated GPIO PWM I2C SPI and ext power 3 ring pins for connecting crocodile clips banana plugs 3 ring pins for connecting crocodile clips banana plugs Notched for easier connectionI2CShared mux I2C busDedicated I2C busWIRELESS2 4GHz Radio BLE Bluetooth 4 02 4GHz Radio BLE Bluetooth 5 0POWER5V via Micro USB port 3V via edge connector or battery pack5V via Micro USB p