참고 : http://hackaweek.com/hacks/?p=380
Parts List:
1 – 1 Megohm resistor
1 – 100K ohm resistor resistor
1 – 22 ohm resistor
3 – BC547 NPN transistors
회로도전자부품
Voltage Detector
by 디케 posted Feb 04, 2014
참고 : http://hackaweek.com/hacks/?p=380
Parts List:
1 – 1 Megohm resistor
1 – 100K ohm resistor resistor
1 – 22 ohm resistor
3 – BC547 NPN transistors
