Light Dark Sensor Using CA3140 IC

In this tutorial, we are going to make two circuits of Light Dark Sensors using CA3140 IC. CA3140 is a BiMOS operational amplifier that has MOSFET input and Bipolar output. The other main component used … Read more

Light Dark Sensor Using CA3140 IC

Automatic-Night-Lamp-230V-AC

This is one of the simplest DIY projects of an Automatic Lamp circuit/Dark Activated 230V Lamp Circuit. It is only using five components and can be used for automatic activation of an AC lamp/bulb when … Read more

Automatic Night Lamp 230V AC

Dark Activated LED Using SCR

Dark dark-activated LED circuit using SCR is a simple and interesting project, it will turn on the LED when there’s darkness around the LDR, and SCR is used here for switching purposes. SCR (Silicon Controlled … Read more

Dark Activated LED Using SCR