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Air conditioner indoor fan
An air conditioner indoor fan is primarily composed of a housing, an impeller (a wheel with moving blades), an air inlet, and an external rotor motor. It mainly serves the purpose of ventilation and can incorporate special features such as indoor active oxygen and negative ion generators to improve indoor air quality. It utilizes a variable frequency energy-saving system to minimize power consumption.
- MM32 MCU Model:
MM32SPIN0230 Series
- MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 96MHz
- 32KB Flash, 4KB SRAM
- One 12-bit analog-to-digital converter ADC, 11 channels supported and sampling rate 1Msps
- Four general-purpose timers and one PWM advanced timers for motor control
- Supports UART/SPI communication
- Embed two operation amplifiers and two comparators for motor applications
- Features:
- Single-resistor FOC
- Supports forward and reverse rotation
- Quiet operation
- 5-wire interface (Vm/Vsp/FG/DC_15V/GND)
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