Fast LED flashing 1.5V
The Fast LED flashing circuit. that apply to AA Cell 1.5V. By add resistor 1K size between pin 1 and 8 pin of IC number LM3909. It will rate winking expansion 3 again times. When build capacitor 330uF sizes suit 1 pin and 2 adaptation pin modify by the tow electronic part outside. It make way for choose for resistor outside equal to 3K,6K and 9K. Other detail , see in the circuit.
Related Links
led circuit
Low volt led display circuit
More about AA cell circuit
Led Flasher LOW VOLT
Battery 1.5V or 3V Monitor using LM3909
3V Lamp flasher High Current by LM3909
Led display for battery low volt
1.5 Volt LED Flashers by 2N3904
Categories: LED Flasher Tags: AA cell circuit, led circuit, low volt led display
or 
