The circuit operation principle of the device is shown in the following figure. Plug in the power plug CT, because the normally closed contact j1 of the relay J is closed, the lamp H is lit, and since the normally open contact j2 is in the off state, the 4 pin of the LSE outputs a low level, and the triode VT is guided at this time. through. After VT is turned on, relay J is energized, contact j1 is disconnected, H is extinguished, and contact j2 is closed, so LSE's 4 pin outputs high level at this time, transistor VT is cut off, relay J is released, contact j1 It is closed again, H is lit, and the contact j2 is turned off again, so that the cycle is repeated cyclically, causing the lamp H to blink.
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About this project
ADVANCED SAFE CHARGING: The USB-C MacBook Pro Charger Power Adapter combines advanced safety features and premium fire-resistant materials with built-in protection against overheating, overcharging, overcurrent, and overvoltage.Fast Charge with PD 3.0: The USB C charger features a Thunderbolt 3 USB C port for full-speed charging, charging a 16-inch MacBook Pro in just 1 hour and 30 minutes. (Note input: AC 100-240V-1.5A(1.5A), 50-60Hz, output: 20.5V=4.7A, 15V=3A, 9V=3A or 5.2V=2.4A.
Wide Compatibility: Macbook Charger is compatible with Mac Pro 16 15 14 13", Mac Air 13", i-Pad Pro 11"/12.9", and also compatible with other USB-C enabled devices. Such as laptops, cameras, smart watches, mobile phones, tablets, game consoles, headphones, Nintendo Switch, etc.
GREAT ALTERNATIVE USB-C CHARGER: This compact USB C laptop charger is designed with a foldable plug for easy portability and convenient home/office and outdoor charging.
What you get: USB C Charger Add a free 6.6" USB-C to USB-C charging cable, compatible with Macbook Pro, Mac book Air, iPad Pro, it's more sturdy, super durable, tangle-free, with a lifespan of over 10000 Second-rate.
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Shenzhen Waweis Technology Co., Ltd. , https://www.waweis.com