Here is testing a Joule Thief circuit with a simple oscilloscope.
It can bring the voltage of a battery (with as low as 0.3V left) high enough to light up an LED.
龍卷風
狂風掃葉 葉落歸根
Joule Thief
狂風掃葉 葉落歸根
Here is testing a Joule Thief circuit with a simple oscilloscope.
It can bring the voltage of a battery (with as low as 0.3V left) high enough to light up an LED.