How to use a Relay with Arduino

Introduction We need relays to control a high-voltage circuit with a low-voltage signal, as in some types of modems or audio amplifiers; or to control a high-current circuit with a low-current signal, as in an … Read more

How to use a Relay with Arduino

Low-Cost Earth Quake Alarm using Arduino

Introduction Earthquakes produce disasters. It not only destroys and harms areas, but it also kills people. Moreover, because we live in a period when there are many high-rise structure buildings and therefore, there is a greater … Read more

Low-Cost Earth Quake Alarm using Arduino

Flame Sensor with Arduino

Introduction We frequently heard news reports about industrial boiler and burner explosions, which do result in the terrible deaths of several people. Safety precautions must be taken, especially in locations like these with high temperatures, … Read more

Flame Sensor with Arduino

DIY Shock Sensor with a Speaker

Introduction Do you know that with the help of a standard speaker, you can make a sensor? Yes, a shock sensor. In this article, we will be making DIY shock sensors. So, if this caught your eye, read the rest of the article to enhance your understanding of Arduino. The shock … Read more

DIY Shock Sensor with a Speaker

PIR Sensor Arduino Tutorial

Introduction Doors constantly need to be opened and closed, especially in places like hotels, theaters, and shopping malls, where someone is always needed to do so. and, therefore, automatic doors are now used. You must … Read more

PIR Sensor Arduino Tutorial

Arduino Speed Detector IR Sensor

Introduction People’s lives are in danger due to overspeeding since it might result in accidents. Therefore, traffic police must be equipped with devices that can assist them in identifying the speed of the car so … Read more

Arduino Speed Detector IR Sensor

ACS712 Current Sensor with Arduino

Introduction Have you ever wondered how much current your various electrical appliances need? Varying devices demand different amounts of electricity, so if the incorrect amount is supplied to them, it might lead to severe situations. … Read more

ACS712 Current Sensor with Arduino

Arduino Color Recognition

Introduction Three main colors sometimes referred to as the basic colors, combine to form white light. These colors are red, blue, and green. The wavelengths of these colors vary. Different varieties of colors may be … Read more

Arduino Color Recognition

Arduino Car Parking Assistant

Introduction A technology-based approach to managing car parking is necessary due to the rapidly changing nature of urban areas and the enormous rise in the number of cars in developing cities. However, it is sometimes … Read more

Arduino Car Parking Assistant

Portable Fine Dust PM10 Analyzer with OLED

Introduction Solid particles that are suspended in the atmosphere for a certain period make up dust. These particles can be formed of inorganic materials like glass, stone, or metal or organic materials like bacteria, wood, fungal … Read more

Portable Fine Dust PM10 Analyzer with OLED

Automatic Brightness Sensor

Introduction Humans strive daily towards an automated society. We like avoiding time-wasting activities that might otherwise prevent us from completing important jobs. Take street lights as an example; to manually switch them on, someone must … Read more

Automatic Brightness Sensor