Mobile Phone LED Video Lamp - Truly Excellent!
This gadget is a gamechanger, and its cheap too! If you use your phone camera, you need one!
Amazon have these:
Teardown Lab - Casio PW-81
The Casio PW-81 is back, and allegedly I didn't fix it properly. Lets have a look shall we?
Glad it appears to be working as I didn't fancy taking it apart again!
Finger Pulse Oximeter Blood Oxygen gadget
Want a machine to remind you to stay alive? You got it! and its cheap as chips too!
You can get them on Amazon, there is quite the variety!
Teardown Lab - Casio LC-79 Battery Conversion insanity!
What a little shite, a better that no longer exists, this is my trickiest fix to date! Watch it!
I have to admit this was a little challenge, but I am really happy with the end result, especially as its totally user serviceable! @billysastard1 im not sure I like calculators anymore!
Teardown Lab - Casio SF-7100SY
What a magnificent beast, oh to reanimate this poor creature!
Thanks to @billysastard1 for the opportunity to work on this crazy calc!