Usually, high-level quiz competitions are very much time-oriented as it becomes significant to determine who has answered first. So here we’ll see how to make a buzzer system that helps to decide the winners. Actually, I designed this circuit of buzzers for…
How to create a dual power supply unit using a single battery for your lab purpose? Dual voltage power supplies are required particularly for op-amp experiments and some of the instrumentation amplifiers. Some low-power audio preamplifiers also use a dual voltage supply. Here is…
Introducing a smart irrigation system to your farm can increase your farming efficiency by saving water, energy, and manpower. It will support the sustainable growth of plants by supplying the right amount of water when required without any human intervention….
Students are eagerly searching for amazing science fair ideas. Here comes a wonderful science fair project for high school. The advantage of electronics projects is that it is less costly and you can simply afford that. We are familiar with…
The automatic street light system is very common nowadays as it provides intelligent street lighting mechanisms. It provides light automatically during the night without any human interference. These energy-saving street lights make use of incandescent lamps instead of LEDs.So here…
The robot can move in four directions and can be controlled wirelessly from a PC. PC has seven push buttons to control the robot forward, backward, Right, Left, Stop, Open and Close. The robot will move only after recognizing the…
You may find many simple Arduino programs in the Arduino IDE software itself (in File → Examples). But this is a more powerful beginner Arduino project which uses a 16×2 LCD module to display time and alarm settings. 3 push buttons are…
Here is an outstanding one that is not only suitable for electronics engineering but mechanical engineering students too. This vehicle anti-theft system will lock the wheel when it rotates more than preset cycles whenever the key is in OFF condition. The main component of…
This is a simple automatic temperature-controlled fan circuit using an NTC thermistor. The main components of this temp control fan circuit are a negative temperature coefficient thermistor (NTC) which detects the temperature, a comparator which is used to compare the preset temperature value, and…