SIYEENOVE Micro:bit Expansion Board for BBC Micro:bit with 5V/3.3V Output, Reverse Protection, Bulding Blocks Holes, USB Port,DC Jack - for Coding STEM Projects

SIYEENOVE Micro:bit Expansion Board for BBC Micro:bit with 5V/3.3V Output, Reverse Protection, Bulding Blocks Holes, USB Port,DC Jack - for Coding STEM Projects

• 【Reverse Polarity Protection】Features a power interface with reverse polarity protection, ensuring safety and preventing damage from incorrect power connections.
• 【Flexible Pin and Power Options】Commonly used micro:bit pins are expanded via headers, allowing external sensors to be connected easily. The power output for the headers can be switched between 3.3V or 5V using a toggle switch.
• 【Dual Power Supply Support】Includes a dedicated micro USB power port for external power sources such as mobile power banks, offering broader compatibility and safer operation.
• 【Bulding blocks-Compatible Mounting Holes】Equipped with four built-in holes compatible with Bulding blocks, making it easy to integrate and secure the board into Bulding blocks-based projects.
• 【Power Specifications】①Input Voltage (DC Jack & KF305 Connector): 6 - 9V (Nominal)②3.3V Output Pin: 500 mA Max Current③5V Output Pin: 500 mA Max Current