1.RP2350bit-Board is a pocket-sized microcontroller, an ARM development board for youth programming education, only half the size of a credit card (4cmx5cm), which can be used for all kinds of cool creations, such as writing video games, musical inst ents, robot control, scientific experiments and wearable device development, etc 2.The back of the motherboard retains the interface of for , which is compatible with various expansion boards and Micro-bit compatible modules, with higher compatibility 3.Based on the for RP2350 processor, onboard W25Q16 16M flash memory chip 4.Onboard 5x5 LED dot matrix, each LED light can be programmed separately 5.Onboard two programmable buttons, which can be used to control games or pause and skip songs in the playlist The product appearance and printed words depending on the batch, but this does not affect use Name:RP2350 Bit Board Color:As Show Material:PCB Package Contents: 1 x RP2350 Bit Board Only 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.