555 timer
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Built an LED Chaser Circuit with 555 Timer IC and CD4017 LEDs are commonly used in electronic circuits, and with the LEDs, you can make many things which are interesting. You’ve probably seen many types of decorative lighting patterns-running lights, festival chasers, or rhythmic blinking effects that instantly stand out. This LED chaser circuit recreates that eye-catching style using a simple combination of the 555 timer… |
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Top 10 Mini DIY Projects for Learning Basics of Electronics If you are an electronics enthusiast, want to learn the basics of electronics, and improve your basics with some practicals and hands-on projects, then this article is for you. In this article, we are going to look at the top 10 mini-projects that you can build very easily and can help you understand the function and workings of different electronic components. … |
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Adding a Futuristic Twist to your Decor with a Circular LED Chaser Have you ever wanted to add some cool lighting effects to your electronic circuits or spice up your home decor with a mesmerizing light show? Well, a circular LED chaser might just be what you're looking for! And the good news is that it's easy to build one using the 74HC595 integrated circuit. So in this article, we will show you how to build a stunning circular LED… |
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Building a Simple Current Detector Circuit with 555 Timer and few Passive Components Working with electricity can be a daunting and life-threatening task if you are a beginner in the electronic/electrical field, and things can go very wrong when electricity is not properly handled, which is why safety must come first in order to avoid injury, before starting work on an electric box and AC mains one need to verify that there is no AC leakage voltage.… |
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How to Build a High Efficiency Class-D Audio Amplifier using MOSFETs Audio content has come a long way over the past decades, from a classic tube amp to modern-day media players, technological advancements have changed the way digital media is consumed. Among all these innovations, portable media players have become one of the first choices among consumers, because of their vibrant sound quality and long battery life. So how does it work, and… |
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Building a 555-Timer based Police Siren Circuit Upon hearing a siren of a nearby police vehicle, one might think about how this tone is being generated. You’ll be surprised to know that the brains behind these tones are not a microcontroller but a humble NE555 timer IC. If you know a little about electronics then you must have heard of 555-timer IC and its 3 very popular circuits the astable multivibrator, the… |
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Build a 555 Timer IC based Simple Push-on Push-off Circuit If you are a hobbyist or have keen interest in electronics circuits, you must be familiar with 555 timer IC and its three popular circuits - Monostable multivibrator, Astable multivibrator, and Bistable multivibrator. Guess what, we can even use this IC as a switch. This is the type of button that holds its state i.e. on the first press, it switches… |
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Build a Simple Motion Detector Circuit using 555 Timer to Control AC Loads Motion sensor circuits are there on the Internet for quite a while now. These circuits are mainly used to drive AC load (like lights, fans) in home automation or IoT projects. It is also very common in manufacturing industries, like on conveyor belts where the presence/position of a particular object has to be detected. So, in this tutorial, we are… |
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IoT Based AC Fan Speed Control using Smart Phone with NodeMCU and Google Firebase In this article, we are building an AC Fan Regulator Circuit, which is able to control the speed of the fan by restricting the flow of current to the fan. The term AC Ceiling Fan Regulator is a mouthful, hence we will simply call it a fan regulator from now on. A fan regulator circuit is a crucial component that is used to increase or decrease the speed of an AC Fan/motor… |
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AC Phase Angle Control for Light Dimmers and Motor Speed Control using 555 Timer and PWM Signal Home automation systems are increasingly gaining popularity day by day, and nowadays it's become easy to turn on & off certain appliances by using some simple control mechanism like a relay or a switch, we have previously built many Arduino based Home Automation Projects using relays. But there are many home appliances that require control of this AC power rather than… |
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AC Lights Flashing and Blink Control Circuit Using 555 Timer and TRIAC Sometimes, we might need an AC bulb flasher circuit that can blink a series of bulbs in a particular time interval for decorative purposes. By controlling the flashing time interval and sequence, we can make a series of bulbs look beautiful for outdoor decoration in Cafeteria, Restaurants, etc. or even used it for heavy Christmas light decoration, so here I have shared a… |
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Positive and Negative Charge Pump Circuit In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the classic industry-standard LMC7660 IC. But oftentimes there are situations when you don't have a specific IC available or the cost of an additional IC is ruining the harmony of your BOM. And this is where our beloved 555 timer IC comes to rescue. That is… |
