情境
A household solar-powered rechargeable table fan where a panel charges a Li-ion battery through a blocking diode, and a manual switch controls the DC motor.
這張圖裡有什麼
看懂背後的決策。
01
Use of a 1N4007 blocking diode to prevent reverse current from battery to solar panel at night.
02
Inclusion of a 2A fuse for overcurrent protection on the battery line.
03
Simple SPST switch to toggle the fan motor, keeping the circuit minimal and easy to assemble.
Suitable for small off-grid cooling devices, emergency fans, or DIY portable fan projects with solar charging capability.