Electrical Engineering :)
Saturday, 19 November 2016
ribbon carbon convertor
Tuesday, 15 November 2016
em wave
Electromagnetic
-磁鐵
-optocoupler 4n35
to avoid the sound
Friday, 11 November 2016
Ohm's Law
I = amp (current)
V = voltage
R = ohm (resistor)
P = W (joules per sec)
I=V/R
P=IV
Friday, 4 November 2016
A Guide to Understanding Battery Specifications
http://web.mit.edu/evt/summary_battery_specifications.pdf
Arduino 101 Phone via blurtooth
Laser printer Destruction
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