This simple NAND gate timer circuit enables you to turn off a selected device after about 1 to 60 minutes. The circuit can be used to turn off gadgets such […]
Simple Water Level Alarm Circuit using IC 555
In this article we talk about an easy water level alarm circuit using a 555 timer designed to generate an audible alarm as soon as the water level reaches a […]
Proximity Detector Circuit – LC Tuned IC CS209
The post details an LC tuned proximity detector circuit, using a LC tank circuits and the IC CS209A This is a straightforward proximity switch circuit using IC CS209. The CS209A […]
Metal Detector Circuit using a Single IC
In this post we learn how to make a simplest metal detector circuit using a single CMOS IC 40106 Simple metal detector circuit The metal detection circuit displayed here might […]
Mains Wiring Phase, Neutral, Earthing Tester Circuit
The post discusses a circuit which can be used for testing mains wiring phase, neutral, earthing line faults simply through 3 neon lamp illumination with a specified pattern, let’s learn […]
Anti-Burglar Home Lighting Circuit
In this post we study how to make an anti-theft anti burglar automatic light for homes, which will randomly switch ON-OFF at some predetermined delays and patterns, causing an impression […]