Raspberry Pi 4 官網風扇Case Fan
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https://cdn.shopify.com/s/files/1/0174/1800/files/Case_Fan_Instructional_set.pdf?v=1603110195
產å“特色
Input voltage: 5V DC supplied via 40-pin GPIO header on Raspberry Pi 4
Fan speed control: Pulse width modulation control via user-selectable GPIO pin
Maximum airflow: 1.4CFM
Case Material: Clear PC
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