A small and simple AM radio project with only 2 transistors. Mediumwave stations can be listened to in your area through this circuit. The variable capacitor (VC1) in parallel with the coil (L1) acts as a tunable resonant circuit. This {Read More}
That solar‑powered drone is called Skydweller. It is an aircraft developed by U.S. startup Skydweller Aero in partnership with French defense company Thales. It is larger than a Boeing 747 jumbo jet and can fly for weeks or months at {Read More}
Remember Alita Battle Angel? There are people who are enhanced with the use of machines (robots). Likewise, there are many Hollywood movies that focus on the cybernetic arms or limbs that enhance or replace the abilities of human beings. But {Read More}
In this article we are going to explain Types of Sensor shortly. A Sensor is a device or detector that converts a physical parameter into a signal that can be monitored or measured. For example a GAS Sensor monitors gas gathering {Read More}
This diagram shows a device used for water detection, when the probes come in contact with water, the alarm sounds. It consists of only 5 components that are easily available in the market.The IC CD4047 is CMOS-based, so pay attention {Read More}
Walkie Talkie using NRF24L01: Nowadays we are living in the area of 4G and 5G. Almost all devices enabled 4G or 5G. However, old technologies like walkie-talkie and RF communication are still using. In this modern age, Arduino based walkie-talkie {Read More}
Spy Dialer is a free lookup website to find information about, people, phone numbers, addresses and email addresses. Usually, these types of services are not free; they charge some amount or offer a diluted version. It is a free reverse phone {Read More}
The 2N3906 is a commonly used PNP (Positive-negative-Positive) bipolar junction transistor used for general purpose low-power amplifying and switching applications. It is designed for low electric current and power and medium voltage, and its operating speed is very high. It {Read More}
BC548 is a commonly used NPN transistor, the same as BC547. The collector and emitter will remain open when the base pin is held at ground and will close when a signal is provided to the base pin. BC548 has {Read More}
LM35 is a Temperature sensor, its output voltage changes, based on the surrounding temperature. It is a small and inexpensive IC that can be used to measure temperature between -55 °C to 150 °C. It can easily connect with any {Read More}
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