7-Segment Display

A seven-segment display is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. Seven-segment displays are widely used in digital clocks, electronic meters, basic calculators, and other electronic devices that display numerical information.

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Project  Time Cuboid

Time Cuboid

“I find myself, like many of us, sitting at my desk a lot. I sit there for work. I sit there again for the many video and/or voice socials that have been set up. I sit there to play …

Adjustable Countdown Timer

“Adjustable countdown timer using 4-digit 7-segment display. Countdown timer is probably the most natural project for the 4-digit 7-segment display. While exploring what is available online I found several projects, but did not find the one that I had in …

Arduino Time Adjustable Relay Project

“Would you like to control a device by entering the time information? Arduino Time Adjustable Relay Project In this project, we enter the minutes and seconds data with the buttons. We press the run button and the relay changes position …

Sound Meter - Arduino

“In this Instructable I’ll show how to make a Sound Meter using an Arduino and some more components. This is a school project I did recently which took me a year to complete, it is based on the construction …

Designing and Building a UV Sanitizer

“The Invisible Enemy “Pandemic,” it’s a scary word to hear. Especially when it’s accompanied by panic-buying of canned goods, pasta, and the disappearance of most disinfecting products from stores. As soon as various media outlets started filling up …

Car Heads Up Display (Arduino + ELM327)

“Some years ago I had the chance to drive a C6 Corvette with a HUD and loved it. The ability to see your speed and RPM without taking your eyes off the road made driving much more enjoyable. For a …

7-segment Mini Clock using PIC16F628A and DS1307 RTC

“This is a minimal and small clock based on PIC16F628A microcontroller and DS1307 RTC IC. It is able to only show the time on a small 7-segment display with a total of 4 segments. The display we used is a …

Lazy 7 / One

“Features/Instructions are the same as on other projects based on the same sketch, here’s another video (also linked from the sketch instructions in step 10). Just when I thought I was finally done with 7 segment modules…. someone …

LM350 3A Adjustable Voltage Regulator

“The LM350 is a tried and true 3A adjustable voltage regulator. It accepts an input voltage up to 35V and can deliver an output voltage between 1.25 and 33V. It is rugged beyond belief. Where fairly beefy step-down converters …

7219 Tube Clock

“This is my first instructable. I got my inspiration for building this clock from https://nixieclocks.shop/product/energy-pillar-iv…. I liked the design of the clock and thought that VFD tube is difficult to find so I took 7219 seven …