Circuits DIY – Page 311

Many people want to tune in to their favorite music while driving. It has made numerous drivers rely on a cell phone, mp3 player, or another…

Electronic pianos are simple circuits that are usually seen in children's toys & doorbells. These circuits produce a musical sound or beep o…

RFID stands for Radio Frequency Identification; a term that refers to technologies that use radio frequencies to identify objects. RFID has…

In this tutorial, we are making a project of a loud door security burglar alarm. This circuit will activate an alarm that is louder than usu…

A simple and easy-to-make light sensor switch works with the detection of light in surroundings. The circuit uses only 5 components includin…

74LS155 is a member of the 74XXYY family of TTL logic gates. The design is intended for the chip to be used in high-performance memory-decod…

The 74LS154 design is made in light of the chip to be used in high-performance memory-decoding or data-routing applications, requiring very…

A laser burglar alarm is a security purpose alarm circuit that senses even a small interruption in its environment. It’s sensitive with a lo…

A flip flop circuit, here, flashes two sets of LEDs ON ad OFF in a flip flop manner. the circuit includes IC NE555 for the time triggering s…

The light sensor circuit is a sensor-based circuit that detects the presence of light and turns on the LED accordingly. The circuit here use…

The circuit here is a soft-touch switch. Soft-touch means that when the switch is once pressed the circuit is turned on. Similarly, when it…

7 segment counter display is a project that many electronic projects use to display the number count of their output. The circuit involves t…

74LS153 is a member of the 74XXYY Ic series. 74LS153 is a fully complementary, on-chip, binary decoding data selection to the AND-OR gates…

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