Circuits DIY – Page 273

OP90 is a high performance, micropower op amp that operates from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V…

In this tutorial, we are making a project on a Fridge door alarm. In order to save the food stored in the fridge from spoiling and maintain…

In this tutorial, we are making a very easy and interesting project of a Simple metal detector using a CA3140 IC. There are lots of metal de…

In this tutorial, we are making a cold sensor alarm in the simplest way possible. We are using a 555 timer IC here, you must be familiar wit…

LMC6482 is an Ultra-low Bias Current, Precision CMOS Rail-to-Rail Input and Output Dual Operational Amplifier iC. LMC6482 is ideal for syste…

TL071 low noise op-amp is ideal for high-fidelity and audio preamplifier applications. Each amplifier features JFET inputs (for high input i…

OP27GP precision operational amplifier combines the low offset and drift of the OP07 with both high speed and low noise. The IC offers Offse…

In this tutorial, we are making a very useful and interesting project of an Object counter. This circuit is simple and uses an LDR, a laser…

LM13700 is a dual Operational Transconductance Amplifier. The IC consists of two current-controlled transconductance amplifiers, each with d…

In this tutorial, we are making a project on a door security alarm circuit. This circuit is easy to make, inexpensive and so compact that it…

A fridge door alarm circuit using 555 timers senses the status of a fridge door being open OR close. It beeps if the fridge door is left ope…

In this project, we are making a simple wire break or burglar alarm using 555 IC. This circuit is easy to make, inexpensive, and beginner-fr…

In this tutorial, we are making a project on Burglar / Intruder Detection Alarm using Infrared Technology. This circuit will detect burglary…

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