Support motherboard: For Pico development board, in-line connectionExpansion board interface: PICO pin interface, steering gear interface 4, SPI interface, IC row port.2.IC row pin interface x2, serial row pin interface 2, serial row port x2.SWD debugging interface, 3.3V power supply interface, 5VPower supply interface Power supply mode: PICO development board power supplyProtection scheme: overcurrent protection and short circuit protectionApplication areas: PICO sensor experiment, PICO External device extension, PICO Robot projectSteering gear interface: 4-way 5V steering gear interfaceDedicated interface: PICO development board interfaceOnboard indicators: power indicator, 3.3V indicator, 5V indicatorsize:95 x 58MMDue to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.Material: PCBcolour: blackPackage Contents:1 x Expansion BoardOnly the above package content, other products are not included.Note: Light reflection 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.