Op-amp Circuits

Op-amp circuits based on Op-amp IC LM358. Explore electronics circuits and projects based on op-amp IC LM358.

  • Voice Modulator Circuit using LM358 and LM386

    In this project, we are going to make a Voice Modulator Circuit, by using self-designed PCB. In this project, we have designed...

  • Headphone/Audio Amplifier Circuit on PCB using LM386

    In this project, we are going to make a Headphone/Audio Amplifier by using self-designed PCB. This project is mainly designed...

  • Temperature Controlled Automatic Switch

    Previously we have built Temperature controlled LEDs Circuit, in which two LEDs were glowing according to the temperature. Now...

  • Simple VU Meter Circuit using LM358

    VU Meter or Volume Meter is very popular and fun project in Electronics. We can consider the Volume Meter as an Equalizer,...

  • Temperature Controlled LEDs using LM35

    Today we are building a simple yet very useful circuit using Temperature Sensor LM35. In this circuit, we are going to control...

  • Cell Phone Detector Circuit

    Cell Phone Detector is a circuit that can sense the presence of any activated cell-phone nearby and gives an indication of...

  • Automatic Rain Sensing Wiper Circuit using 555 Timer IC

    You have seen Automatic Wiper System in luxury cars where Windshield Wiper automatically gets activated when there is Rain or...

  • Op-amp IC LM741 Tester Circuit

    Op-amp (Operational Amplifier) is very important component in Electronics, and used in many Electronics circuits to serve...

  • LED VU Meter using LM3914

    We can consider the Volume Meter as an Equalizer, which is present in the Music systems. In which we can see the dancing of...

  • Laser Security Alarm Circuit using IC 555 and LM358

    Security is main concern for various buildings, houses and offices. For this purpose, there are a variety of security alarms...

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