PWM驱动风扇电路图

根据引用\[2\]中的描述，PWM驱动风扇电路图主要由STM32单片机、LCD1602液晶显示、DS18B20温度采集、按键设置电路、PWM风扇和人体红外检测组成。具体的电路图可以参考引用\[2\]中提供的设计原理图。
#### 引用[.reference_title]
- *1* *2* [基于STM32的pwm温度风扇(带人体检测)](https://blog.csdn.net/eletronicfish/article/details/120604271)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [PWM直流电机转速控制器电路图](https://blog.csdn.net/weixin_42315616/article/details/111914019)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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