1.5 Volt LED Flashers by 2N3904
The discrete 3 transistor circuit at the lower right would need a resistor (about 5K) in series with the 1uF capacitor to widen the pulse width.
Source : 1.5 Volt LED Flashers by 2N3904
The discrete 3 transistor circuit at the lower right would need a resistor (about 5K) in series with the 1uF capacitor to widen the pulse width.
Source : 1.5 Volt LED Flashers by 2N3904
Tags: 2N3904, LED Flasher