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    TL494 Meanwell switching power supply to adjustable power supply TL494明纬开关电源改可调电源
    12:54

    TL494 Meanwell switching power supply to adjustable power supply TL494明纬开关电源改可调电源

    DIY alligator clip wire, easy to use when the electrician repair DIY鱷魚夾線，方便電工維修時使用
    6:44

    DIY alligator clip wire, easy to use when the electrician repair DIY鱷魚夾線，方便電工維修時使用

     27  views
    DIY soldering iron thermostat, so that ordinary soldering iron into a temperature-adjustable iron to save dozens of dollars DIY電烙鐵調溫器，讓普通電烙鐵變成可調溫電烙鐵省下幾十元
    5:00

    DIY soldering iron thermostat, so that ordinary soldering iron into a temperature-adjustable iron to save dozens of dollars DIY電烙鐵調溫器，讓普通電烙鐵變成可調溫電烙鐵省下幾十元

     62  views
    Repairing undercharged and squeaky phone chargers 修理充不滿電和吱吱響的手機充電器
    3:01

    Repairing undercharged and squeaky phone chargers 修理充不滿電和吱吱響的手機充電器

     68  views
    DIY Capacitive buck LED light, 10 hours a day, a year without 1 kWh, very power saving 1 kWh, very power saving. 阻容降壓LED燈，一天10小時，一年不用1千瓦時，非常省電。
    9:12

    DIY Capacitive buck LED light, 10 hours a day, a year without 1 kWh, very power saving 1 kWh, very power saving. 阻容降壓LED燈，一天10小時，一年不用1千瓦時，非常省電。

     9  views