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Making a Alarm Clock That Asks Questions Randomly

“Do you usually have trouble getting up? Set more than a dozen alarm clocks in the morning, but still can’t wake up and turn them off in a daze. When you waking up and find out that you are …

STOP Face Touching Device

“Why do you want to stop touching since it is part of our human nature? Well, it is all because of the virus floating around. Health officials keep telling the public to stop touching faces when they couldn’t help …

Timer With TM1637 and Arduino

“This timer is useful in both domestic and industrial applications. It is a countdown timer programmable in the range of 1s …. 9999s. During this time, the load is powered by a relay on the board. For repeated timings, it is …

ATtiny1614 Frequency Meter

“A tiny frequency meter built using the ATtiny1614 microprocessor. Over the years, I have build a number of audio oscillator circuits using discreet components (no microprocessors). While these produce good quality sine waves, the frequency of the output is usually …

ATtiny1614 Function Generator

“A tiny function generator built using the ATtiny1614 microprocessor and its internal Digital-To-Analog Convertor (DAC). The ATtiny1614 processor The ATtiny1614 is part of the new breed of ATtiny microprocessors. One of its features is a built-in Digital-to-Analog Convertor or DAC …

88888: the Electronic Smile Counter

“This project originated from a request of a friend. He asked me to build a so-called smile counter for their college dorm - a segmented display which can show a number. This number must increment every time someone pushed a button …

7400 Series Logic Clock

“This project is 7400 series logic ICs based clock. It keeps time solely based on discrete logic ICs and a stable clock source. For the display LEDs, I am using common anode 7 segment displays. This variant is 0.56 …

DIY Digital Clock Using ATmega328p, RTC DS3231 and Seven Segment Displays

“Introduction: This is an user friendly tiny digital table clock where user can access all basic functions of clocks including setting alarms, viewing temperature, viewing date, setting date and time, etc. It has a buzzer for alarm and four push …

Farkle! Handheld PCB Game Console

“In this Instructable I will show you how I made my PCB Farkle Game! Farkle, also known as 10000, Zilch, 6 Dice, and Ten Thousand, is a fun and challenging dice game with multiple variations and scoring options. I first …

Binary Calculator With Micro:bit

“We used a micro:bit with a Crazy Circuits Bit Board and some LEGO pieces to build a Binary Calculator with a 4 bit register. It’s a great way to learn how binary works and how to calculate a …