ALARM
How to make an alarm using mainly 2  ic NE555 .the sound can be varied by changing capacitor C1.
COMPONENTS
1-ICNE555*2
2-RESISTER 10K*3
3-RESISTER 1K
4-RESISTER 6.8K
5-CAPACITOR .047uf
6-CAPACITOR 100uf*2
7-CAPACITOR 10uf*2
8-SPEAKER
9-9V BATTERY

                       CIRCUIT DIAGRAM

                           PCB LAY OUT

   Check the video VIDEO TUTORIAL

DUAL LED FLASHER

                  DUAL LED FLASHER.

Haii friends let make a simple dual led flasher using simple components and each transister can drive 3-6 led. This circuit is very very simple let's make it
COMPONENTS
1-470ohm*2
2-6.8k*2
3-47uf *2 capacitor
4-BC548*2 TRANSISTOR
5-LED*2

                     NIGHT LAMB
Haiii. Today iam going to post a simple night lamp circuit using IC NE555 & LDR circuit and some simple components .here iam just operate a rellay and you can operate any device using replay
COMPONENTS NEEDED
1-IC NE555
2-LDR
3-RESISTER 47K
4-DIODE-IN4007
5-6v RELLAY