Electroinvention

Cool homemade utility Gadgets / circuit projects ECE engineering projects IC 555 projects

Metal detector circuit using IC 555

Hi guys. In this article, we are going to discuss a very simple metal detector circuit using IC 555. The circuit also uses some other active and passive components with IC 555, like coil and Buzzer for the indication and alert. So, let’s get started with our metal detector circuit using 555 IC. There are […]

Cool homemade utility Gadgets / circuit projects IC 555 projects

IC555 Timer alarm circuit 5-30 minutes

Hello engineers. Hope all are good. In this article, I am going to discuss a very simple IC555 based timer alarm circuit that can have a time duration range from as low as 5 minutes and as high as 30 minutes. In this timer based alarm circuit, you can select the alarm time delay duration. […]

ECE engineering projects LM3915 / LM3914 IC

Soil Moisture level detector using LM3915 IC

Hello Engineers. Sometimes, we need to check the level of moisture or dryness of Soil or even Sometimes washed clothes in winters in order to check the moisture or dryness level. I have discussed, a simple and compact digital soil moisture level detector circuit to check whether the soil is dry or wet. It can […]

Datasheets LM358N

LM358 Datasheet and Working

Semiconductors components and ICs have changed the world and possibilities in the field of electronics. We’re going to talk about the IC LM358, LM358N Datasheet and in addition to that, it’s working. IC LM 358N is a dual op-amp IC originally introduced by Texas Instruments. DETAILED LM358 DATASHEET LM358N / LM358 Pinouts PIN No. Name […]

Audio Amplifiers ECE engineering projects LM358N LM3915 / LM3914 IC

Music Reactive dancing LED lights- using LM358 & LM3915

Hello Engineers. In this article, I am going to discuss a circuit for Music reactive Dancing LED Light. The circuit need not be connected to any input signal from the amplifier. This music reactive dancing LED light circuit can listen to the surrounding music or sounds and LEDs dance according to that signal. In this […]