This circuit is a LED flasher that run by 1.5v AAA battery.
Flashing speed can change by changing C1.
The circuit consume low current, 20mA when LED be turn ON.
Parts list:
Transistor BC547
Transistor BC557
LED
Resistor 680ohm (2pcs)
Resistor 39 ohm
Resistor 330K
Capacitor 10nF
Parts list:
Transistor BC547
Transistor BC557
LED
Resistor 680ohm (2pcs)
Resistor 39 ohm
Resistor 330K
Capacitor 10nF
Capacitor 2uF
Capacitor 470uF
1.5V Battery
Capacitor 470uF
1.5V Battery
