精心準備的禮物...結果隔天..『對不起我錯了...』
DC Fan Controller Circuit - Electronics Projects Circuits Twitter上一位網友好不容易才精心把泰迪熊放進氣球裡面想要當作禮物送朋友殊不知隔天要送的時候就悲劇了.... (轉貼:by Via Twitter siva000666) This circuit is ideal to control the cooling fan of heat generated electronic gadgets like power amplifiers. The circuit switches on a fan if it senses a t ... this is great circuit. i’ve built it. God bless you for helping me/us. can you please help me m...
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