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Timer With Arduino and Rotary Encoder

“The timer is a tool often used in both industrial and household activities. This assembly is cheap and easy to make. It is also very versatile, being able to load a program chosen according to needs. There are several programs …

Experimental Zener Diode Tester

“Automatic Zener diode tester is capable of identifying Zener diodes up to 27.5V. Apart from that, it can be used to recognize leads of the diodes/Zeners and detect damaged diodes. This tester is designed using well-known ICs such …

DIY Function Generator With STC MCU Easily

“This is a Function Generator made with STC MCU. Need only several components and the circuit is simple. Specification Output: Single Channel Square Waveform Frequency: 1Hz~2MHz Sine Waveform Frequency: 1Hz~10kHz Amplitude: VCC, about 5V Load ability: Not available …

Oximeter do it yourself

“In this period of isolation, I’m trying to build an oximeter with parts already in house. An oximeter is made by two leds and a photodiode. I’d like to measure the O2 saturation level (%) in my blood with …

DIY Arduino Height Measuring Machine

“A practical device for automatic measuring human height. When I noticed that my kids were measuring their height every day, I got the idea to make such a device. To find out your height, all you have to do is …

DIY Plant Moisture Sensor With Automatic Watering System

“Hi everyone, Today I’m going to share my first Arduino project with you. I’m a Belgian multimedia student and for the course physical computing and digital making, we had to experiment at home with a project of our …

Bi-Directional Visitor Counter Using Single Ultrasonic Sensor With LCD on TinkerCad

“Often we see visitor counters at the stadium, mall, offices, classrooms etc. Today we are here with a project with bidirectional visitor counter by using Arduino Uno. It is a very interesting project for hobbyists and students for fun as …

Clock Using Atmega 8

“ATMEGA 8 is one of the cheapest micro controller ,so i decided to make clock using it.The first thing i came across is displaying time hence most general thing is 7 segment display but i can’t display all …

Memory Puzzle Alarm Clock

“This is an Alarm Puzzle Clock which means there is a little memory game you have to solve to stop alarm ringing! As a summary, this clock is for who is being snazzy on mornings. It has 3 LEDs which …

Space Pointer

“This is a space pointer! It lets you select a planet, and time of day, and the arrow will spin around to point to its position in the sky. This is a very simple project, and can be completed in …