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Micro IO-BOX Expansion Board, For BBC micro:bit Boards



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MBT0005   Datasheet
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BBC Micro:bit Boards

Micro IO-BOX Expansion Board


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Technical Docs (2)

Product Overview

micro: IO-BOX is a micro:bit multifunctional expansion board with on-board Li-ion battery power, delicate appearance and easy to use. Features numerous functions on the 6cm x 6cm board such as 2-way driver motor, 9-way IO port, 2-way I2C port, 1-way serial port, 1-way buzzer, 4-way RGB LED, Li-ion battery box, charge circuit and emergency power interface. Also features short circuit and reverse connection protection for it to further improve the safety in using Li-ion battery. In order to provide a stable power supply, the board employ high cost boost-buck power management solution. As a motor's instantaneous current can reach up to 1A at its starting instant which is a big challenge for power supply. So the board carried out a strict test on our product and two TT motors keep rotating forward and reversely continuously and even in such a condition, board and motor can still work about 1.5 hours until running out of the battery.
  • CR123A Li-ion battery with 1000mA current rating
  • 3.7V to 5V external power supply
  • microUSB 5V Support computer USB charging and cell phone charger
  • 3V to 6V supported motor voltage
  • 4.5 to 5.5V supply voltage range
  • One power switch, 350mA charging current, 2.5h charging time
  • Digital output voltage of 0V/3.3V, analogue input voltage of 0 to 3.3VDC
  • On-board buzzer (1-way(PO)), one buzzer switch, on-board RGB: 4 WS2812B (P15)
  • 2-way (I2C) motor interface, 9-way Micro: bit interface, 2 way I2C Interface
  • Dimension is 61mm x 61mm / 2.40 x 2.40"

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S$18.87 ( S$20.19  Inc. GST)

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