In this tutorial, we are making a contactless AC mains detector relay switch circuit. When an AC voltage is present in mains supply lines this circuit will be activated and deactivates when the AC voltage … Read more
switch
In this tutorial, we are making a project of a daytime car headlight switch-on reminder. During the daytime, we often need to open the car headlights but forget to turn them off and they are … Read more
Daytime Car Headlights Switch ON Reminder
In this tutorial, we are making a Hall effect sensor switch circuit. The circuit is useful and has various magnetic field detection applications. Its main component is a hall effect sensor. A hall effect sensor … Read more
Hall Effect Sensor Switch – US1881
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 with this IC because it is used in … Read more
Cold Sensor Alarm Switch Using 555 IC
CD4066 is a part of the CD4000 IC series. The CD4066 is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with CD4016BC. The IC … Read more
CD4066 Quad Bilateral Switch – Datasheet
The CD4016 is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. The IC is always available in a 16 pin hermetically sealed dual in line package (DIP). The … Read more
CD4016 Quad Bilateral Switch – Datasheet
Sound-activated switches are designed to provide a mechanism through which one can turn on or off any electrical appliance remotely through sound. Audio signal received through a microphone is amplified and compared with a specific … Read more
Sound Activated Switch Using LM386 Amplifier IC
The circuit here is a soft-touch switch. Soft-touch means that when the switch is once pressed the circuit is turned on. Similarly, when it is pressed again it is turned off. IC NE555 and a … Read more
Push ON Push OFF Relay Switch
Electronic devices, such as computers, printers, air conditioners, televisions, etc., use electricity when in use but still use some electricity when not in use; most electronic devices have power-off switches but still use some power … Read more
Electronic Appliances Switch Left open Indicator
The sequential sound-activated switch is an electronic device that helps you to turn on or off switches without moving yourself. The sequential sound-activated switches are creative and work as sound detectors. It starts working when … Read more
Sequential Sound Activated Switches – Electronics Project
Audio activated delay switch is a circuit that can activate a relay switch for a specific time period. For example, when we are listening to an FM radio station there’s a sudden increase in volume … Read more
Audio Activated Delay Switch Using Transistors – DIY Project
A sound-controlled toggle switch is a circuit that functions according to sound signals such as snapping fingers, a clap, or a whistle. This circuit is quite sensitive and can detect low sound signals easily. The … Read more
Sound Controlled Toggle Switch Using CD4017 Decade Counter IC
In this tutorial, we are going to make a project of a Push button ON-OFF switch using transistors. These switches are commonly used in prototypes, projects, demos, and more advanced products as they provide a … Read more
Push Button ON-OFF Switch Using Transistors
In this tutorial, we are demonstrating a project on an RF remote control relay switch circuit. The circuit is utilizing a DPDT relay at the output from which you can interface your home appliances to … Read more
RF Remote Control Relay Switch
The MOSFET (Metal Oxide Semiconductor Field Effect Transistor) is a semiconductor device that is widely used for amplifying and switching electronic signals. If we want to operate MOSFET as switches, they should be biased in … Read more
How to use MOSFET as a switch
A transistor is a device mostly used for switching purposes. As one of the sizable semiconductor devices, the transistor has found use in great digital applications such as embedded systems, digital circuits, and control systems. … Read more