The integrated circuit UM3561 is an excellent ROM (Read Only Memory) IC. The key feature of this chip is to create unique siren sounds such as Ambulance, Police, machine gun, […]
Chirping Bird Circuit
There are as many variations of the electronic chirping bird circuits as there are birds. And the circuits are being used for a wide range of applications, such as door […]
20 Best IC 741 based DIY Circuits
Following are 20 best IC 741 based designs that could be implemented for any desired application as per the user preference. All the 20 circuits will equally work well even […]
People and Object Counter Circuit
The LDR based interruption counter circuit explained in this project is a circuit that will count how many times an opaque object intersects between a ray of light and an […]
Office Bell with IN/OUT Indicator Circuit
This office bell with IN/OUT indicator circuit utilizes three 7-segment, common anode displays rather than a couple of LEDs for the in/out indicator as is done commonly. As soon as […]
5 Band Graphic Equalizer Circuit
SEVERAL audiophiles are finding some great benefits of graphic equalizers in domestic along with professional sound systems. However the expenses of this sort of units have eliminated them growing to […]