Disassembling Children's LED Electronic Watch

zhang7309

Disassembling Children's LED Electronic Watch [Copy link]

 

The protagonist of this disassembly is this The price on Taobao, in fact, this thing is given away with the purchase, open it and have a look I searched elsewhere, the bulk is cheaper, why is it so low? The function of the watch Prepare to disassemble The strap has been broken by the child Remove the screws of the four feet That's all the things Before disassembling it, I really thought it was a digital tube. It turned out to be fake. However, the principle seems to be similar. It should also rely on LED light to realize it. Circuit board. I wanted to see what kind of controller it was, but it was impossible. However, the cost is so low that this kind of package is the only one. The back of the board is double-sided and has vias. Lithium battery Here is another detailed picture of the board. There was a problem after disassembling it. Some dots didn’t light up. They were too fragile. This content was created by EEWORLD forum user zhang7309. If you need to reprint or use it for commercial purposes, you must obtain the author’s consent and indicate the source.

gmchen

Directly package the LED on the printed board

AOE-hill

Tear it down, tear it down!