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3 V power supply
fingerprint image acquisition
this is a cost-effective controller
Input Voltage: 3
Micro:bit Breadboard 190°FOV 3 V power supplyDescription Micro: breadboard is a micro: bit based expansion board specially designed for STEM starter. It comes with a 3. 23*2. 17 breadboard (independent packing, you need to stick them together), on which you can directly build circuit with all sorts of electronic components. All IO ports are led out in the form of pin header and female header, no welding required, plug and play. The electronic parts can be used repeatedly, which greatly reduces