This article explains how to create a circuit that uses sound to switch a gadget on and off. Relays are specially designed parts that regulate power hungry devices like lights and motors. The following are some ways that these can be useful: This article will teach how to construct and run this kind of circuit. […]
Sensors and Detectors
Simple Non Contact AC Mains Voltage Detector Circuit
Electricity powers our world but it can also be dangerous. This article explains how to build a handy tool that can detect live wires without touching them. This is a great safety tool for people who work around electricity but also for anyone who wants to be careful at home. WARNING: Even with this tool […]
Simple Soil Dryness Detector Circuit
Like us plants to require water to be strong and healthy! Knowing when to water your plants might be little challenging. The construction of a soil moisture sensor is explained in this article. When your soil becomes dry and need watering this device will remind you. To assist you in construction the circuit the post […]
Simple ON OFF Touch Switch Circuit with Relay
Nowadays, touch buttons are widely used since they are a cool method to control devices. This article shows how to use a common chip known as the 555 IC to create a simple touch switch. To make it work you do not require any costly or difficult parts. For beginners or those who enjoy electronics […]
Simple Rain Detector Alarm Circuit
Do you wish to avoid a sudden downpour from wetting your clothes? This article can teach you something. We’ll show you how to build a simple rain detector alarm circuit. In order to warn you when to bring umbrellas or other outside objects inside, this circuit uses a sensor to detect rainfall and then sounds […]