Hair Straightener Teardown
Today we will tear down a faulty Jamella-brand hair straightener.
The hinge for this appliance consists of a single, threaded brass pin with a screw on both sides.
You never know when you may need one of these pins so this is our first score.
Removing the first inner cover revealed a small pcb with multiple screw connectors. This board has a nice switch, a LED and a metalized polymer film (MPF) capacitor. There's also a light-blue thermistor, shown just right of the switch.
I am always on the lookout for switches, and thermistors are great for building basic temperature sensors.
The LED was faulty, leading me to believe this may have stopped the device in the first place. However, when I replaced it the unit buzzed angrily for a second then died again. I assume there is a more serious issue at play.
Here is the heating unit. It contains what appears to be a large ceramic resisor and a ceramic board.
I doubt I have any use for them but I will do some research.
Below is my favourite score from this teardown - a two-and-a-half metre cable with a 360 degree swivelling connector on one end.
This is one of those things you just can't make yourself, and it is sure to enhance any project that benefits from an endlessly rotating power source. I think this item alone makes this teardown worthwhile.
It has a ready-made housing assembly to hold it together.
The PCB from the other side of the straightener has another MPF capacitor and a piezo buzzer. These annoying buzzers are handy for audible warning systems on your projects.
This PCB also features screw-on connectors for all the wiring.
I am calling this teardown worthwhile.
We have gained a fantastic swivelling cable, a switch, a thermistor and a buzzer. The wiring with screw-terminal ends may also be useful.
Best of all, there is miniscule waste from the project, and it really only took a few minutes to dismantle.
So that's it for another teardown.
The next teardown will be a CRT computer monitor (unless I find something more interesting before then). Stay tuned.
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