•  
  •  

Dancing Lights

Here is a simple circuit which can be used for decoration purposes or as an indicator. Flashing or dancing speed of LEDs can be adjusted and various dancing patterns of lights can be formed.

The circuit consists of two astable multivibrators. One multivibrator is formed by transistors T1 and T2 while the other astable multivibrator is formed by T3 and T4. Duty cycle of each multivibrator can be varied by changing RC time constant. This can be done through potentiometers VR1 and VR2 to produce different dancing pattern of LEDs. Total cost of this circuit is of the order of Rs 30 only. Potentiometers can be replaced by light dependent resistors so that dancing of LEDs will depend upon the surrounding light intensity. The colour LEDs may be arranged as shown in the Figure

If there are any problems please contact webmaster@electronic-circuits-diagrams.com

Please share & like

Uxcell Rotary Carbon Potentiometer with Diameter with Knob RV24YN 20S B103 10...
$11.05 Uxcell Rotary Carbon Potentiometer with Diameter with Knob RV24YN 20S B103 10... picture
Uxcell a15032300ux0532 Potentiometer Volume Control Knob Cap with 100 Piece K...
$17.08 Uxcell a15032300ux0532 Potentiometer Volume Control Knob Cap with 100 Piece K... picture
Kmise Z2790H6 6 Piece 20 17mm Silver Mini Aluminum Potentiometer Knobs Cap New
$12.81 Kmise Z2790H6 6 Piece 20 17mm Silver Mini Aluminum Potentiometer Knobs Cap New picture
10K Ohm potentiometer potential+black control Knob
$9.16 10K Ohm potentiometer potential+black control Knob picture
CLAROSTAT 73JA-1K POTENTIOMETER 1K OHMS *NEW NO BOX*
$10.0 CLAROSTAT 73JA-1K POTENTIOMETER 1K OHMS *NEW NO BOX* picture