I’m not sure if you will fell convenience or not, but if I’m still a student or those who use ruler a lot, this Electronic Ruler concept is very cool! The electronic ruler will automatically show us the measurement on the length of our drawn line using the conductive sensor along the edge of the ruler. Check out the following pictures for more detail.
It just a simple ruler, and you will use it like usual. The different thing now is whenever you land your pencil on the sensor and start drawing like, the LED display will show you the digit number of what is the length of your line. No more reading the small and tiny black strips, all will be shown on the LED display effortlessly.
(you can also click the link above to find more details)
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