Clap switch using 3 different modules
Post Views: 1,272 Description: In this clap switch we use three different modules given below. It is necessary to make
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Tag: RC_circuit
RC module
Post Views: 898 Description: An RC circuit is used to introduce time delay in circuits. A combination of resistor and
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Basic remote tester
Post Views: 915 Description: This circuit can be used for testing your TV, DVD, VCD, etc. remote control. This is
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Multivibrator module
Post Views: 366 Description: A multivibrator has identical components(capacitors, transistors and resistors) arranged on the left and right hand sides
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Melody generator using UM66
Post Views: 944 Description: UM66 or BT66 is a musical IC. The following circuit generates a melody using UM66. This module
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Basic RC circuit
For the circuit to work as light operated musical bell, we need to connect the SW1- switch to N/C terminal of relay. LDR has to be kept in a dark case.
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Mode of NE555- Astable
This circuit has been configured in Astable mode. The output pulses are determined by the values of resistors R1, R2 and the timing capacitor C1. The formula for the frequency of pulses is: f= 1.44/[(R1+2R2)*C1].
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Sound generator and Musical toy organ
One of the main objectives of LDR Engineering projects is to make students capable of developing their own logic for making devices. Here is an example that tells how LDR Engineering helps in developing ideas.
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