DFRobot Micro: IO-BOX Expansion Board
DFRobot Micro: IO-BOX Expansion Board is a micro:bit multifunctional expansion board with onboard Li-ion CR123A battery power. This CR123A is a 3.6V and 1000mA lithium rechargeable battery with small size, high capacity, and high safety. The Micro: IO-BOX comes with 2-way driver motor, 9-way IO port, 2-way I2C port, 1-way serial port, 1-way buzzer, 4-way RGB LED, and charge circuit. This expansion board is designed with a durable and indestructible outer protective cover. The Micro: IO-BOX employs a high-cost boost-buck power management solution that provides a stable power supply.
Features
Onboard CR123A Li-ion rechargeable batteryDelicate appearanceEasy to useDurable and indestructible outer protective coverEmploys high-cost boost-buck power management solutionmicro USB 5V charging interface that supports computer USB charging and cell phone charger
Specifications
350mA charging current2.5-hours charging time4.5V to 5.5V supply voltage range0VDC to 3.3VDC analog input voltage
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