Infrared based music transmitter and receiver
NOTE: A similar kit is available at buildcircuit store. Please check the store. An infrared based music transmitter and receiver
Continue reading
Tag: counter
RC module
Description: An RC circuit is used to introduce time delay in circuits. A combination of resistor and capacitor gives a
Continue reading
Counter module
MAKE A SIMPLE DIGITAL OBJECT COUNTER WITH THIS MODULE- CLICK HERE Description: It’s a simple counter module. In the example,
Continue reading
Up counter with multivibrator module
Description: You can make an up counter using a counter module and a multivibrator module. First make a simple multivibrator,
Continue reading
Up Counter
An up counter simply counts from 0 to 9. We can use this circuit to make digital object counter. This circuit can also be used to make a digital clock.
Continue reading
Digital Object Counter using LDR and digital IC
555 timer configured in monostable mode is a simple automatic dark sensor circuit that gives output when light falling on LDR is blocked.
Continue reading
Object counter using LDR and calculator
To make an object counter we can use a simple dark detector circuit and a normal calculator. Pole and NO (Normally Open) terminals of a relay have to be connected to the two pins which are used to activate ‘=’ key of calculator.
As we block the light falling on LDR, the calculator starts counting.
For the calculator to work as a counter, we first need to press ‘1’ and ‘+’ keys.
