{"title":"micro:IO Extender- a micro:bit IO Expansion Board","handle":"micro-io-extender-a-micro-bit-io-expansion-board","url":"/products/micro-io-extender-a-micro-bit-io-expansion-board","description":"The micro:IO Extender is a compact expansion board for the BBC micro:bit that breaks out all 19 I/O pins as Gravity-compatible 3-pin headers. It provides plug-and-play access to the full range of micro:bit GPIO, along with dedicated I2C and serial port headers, an onboard buzzer with switch, and edge connector contacts.\n\nClear silkscreen labelling on the back indicates the function of every interface, making it easy to get started with external sensors, actuators, and displays.\n\nKey Features\n\n\n19 I/O Pins – All micro:bit pins broken out as Gravity-standard 3-pin headers\n\nDedicated I2C Header – Independent I2C interface (P19, P20) for sensors and displays\n\nSerial Port Header – Dedicated UART interface (P13, P14)\n\nOnboard Buzzer – Connected to P0, with a physical switch to enable/disable\n\nEdge Connector Contacts – Retains micro:bit edge connector access\n\nENIG Finish – Gold-plated pads for reliable connections\n\n\nSpecifications\n\n\nOperating Voltage – 3.3 V\n\nDimensions – 45.5 × 66.5 mm (1.79 × 2.62 in)\n\nInterface – 19× I/O ports (Gravity 3-pin)\n\n\nResources\n\n\nProduct Wiki – Board overview, pinout, and specifications\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":4849,"title":"Default Title","sku":"DF-MBT0008","price":14.63,"on_sale":false,"in_stock":true,"available_quantity":1245,"option1":"Default Title"}]}