This is a very basic circuit for flashing one or more LEDS and also to alternately flash one or more LEDs.
It uses a 555 timer setup as an astable multivibrator with a variable frequency.
With the preset at its max. the flashing rate of the LED is about 1/2 a second. It can be increased by increasing the value of the capacitor from 10uF to a higher value. For example if it is increased to 22uF the flashing rate becomes 1 second.
There is also provision to convert it into an alternating flasher. You just have to connect a LED and a 330ohm as shown in Fig.2 to the points X and Y of Fig.1. Then both the LEDs flash alternately.
Since the 555 can supply or sink in upto 200mA of current, you can connect upto about 18 LEDS in parallel both for the flasher and alternating flasher (that makes a total of 36 LEDs for alternating flasher).
Blogging Tips and Money making information
Google High paying keyword -
Blogging Tips and Money making information - Earning Tips Tricks -world Largest Link directory - LIVE TV - Deshi Model Girls - Bangla MP3 -Jackson Song - Free Online Game - Animation Clip - Paly Online Game -Bangla Choti - Pakistani Mujra - Pakistani Mujra Song-Earn Money - Free EBooks - Free Sms Collection -Live Cricket -
My Blog - Bangla Sms - Largest Bangladeshi Link Directory -Wrestling Video - Technology blog -
Miss World’s Photo's - Hindi Song -world Largest Link Directory -
Tattoo and Body sticker, Air Craft Wallpaper -Video Game - New Directory - Job and Scholarship -
Free domain with 50 Mp hosting