LM358
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How to Design a Circuit Board (with Example PCB of Voice Modulator Circuit) In this project, we are going to make a Voice Modulator Circuit, by using self-designed PCB. In this project, we have designed a PCB using EASYEDA online PCB simulator and designer. This is a fun project, mainly designed for changing or altering the voice. Generally, when we speak in a MIC we hear same voice. But in this project when we speak in MIC, we will hear a little… |
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DIY LED Music Spectrum using NeoPixel RGB LEDs and ARM Microcontroller LED Music Spectrum generates the beautiful lighting pattern according to the intensity of music. It contains many RGB LEDs which not only turns on and off as per the music but also change color according to the music. There are lots of DIY LED Music Spectrum kits available in the market, but here we are going to build this Music Spectrum using NeoPixel RGB LED Matrix and ARM… |
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Temperature Controlled Automatic Switch Previously we have built Temperature controlled LEDs Circuit, in which two LEDs were glowing according to the temperature. Now we are enhancing that circuit by using a Relay, and now we are going to Control Home AC appliances according to Temperature. This circuit will serve as automatic light switch which will trigger if temperature goes beyond a particular level (50 Degree… |
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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, which is present in the Music systems. In which we can see the dancing of LEDs according to the music, if music is loud then equalizer go to its peak and more LEDs will glow, and if music is low then lesser number of LEDs shall… |
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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 the LEDs according to temperature around. If temperature goes beyond a particular level (50 Degree in this circuit) then Red LED will glow automatically, otherwise yellow LED remains on below that particular temperature. This threshold temperature… |
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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 if there is some water on the windshield. Electronic Wiper is very common device that is attached in every car to wipe the water on the windshield during the rain. But generally they are manually operated and we need to switch them ON manually. But… |
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Laser Security Alarm Circuit Security is main concern for various buildings, houses and offices. There are a variety of security alarms available in market which uses various types of technology for intruder detection like infrared sensors, motion sensors, ultrasonic sensors, laser sensors, etc. Previously we have also built some security alarm circuits like this PIR sensor based motion detector and… |
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IR Based Security Alarm IR based security alarm circuit can detect any movement and trigger the alarm. This circuit is very useful in homes, banks, shops, restricted areas where an alert alarm is needed on any movement. This circuit is based on IR sensor where an IR beam is continuously falling on a photodiode, and whenever this Infrared beam breaks, by any kind of movement, alarm is triggered… |
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IR Sensor Module Circuit Sensors are very important part of electronics, especially in Robotics and Automations. Sensors in electronic devices make our life easy by automatically sense and control the devices, without human interaction. There are many kinds of sensors like Fire sensor, humidity sensor, motion sensor, temperature sensor, IR sensor etc. In this article, we will explain about IR sensor… |
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2 Digit Object/Product Counter Object counters or product counters are important applications used in industries, shopping malls, etc. They count objects or products automatically and so reduce human efforts. In this tutorial we are going to design a simple object counter circuit without using any microcontroller. Components LM358 IC - 1 555 timer IC -1 Voltage… |
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Dark and Light Indicator Circuit In this project, we are going to make a day and night indicator (or dark and light indicator) which will indicate if there is a dark or light in the surroundings. Some applications of this circuit, are street light controlling, home/office light controlling, day and night indicators, etc. Components Required IC LM358 -1 150 Ohm… |
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Reverse Car Parking Sensor Circuit This car parking assistant can protect your car from any damage while reverse parking. It indicates the distance of car from any object and raise an alarm when it reaches close to the wall or the object and needs to be stopped. This car parking sensor circuit is quite easy and uses few commonly available components which are listed below. … |
