Water Detection circuit

A transmitting circuit powered by an infrared light-emitting diode emits light. The receiving circuit, shown in the figure, utilizes a transistor (3DU5) to receive the infrared light and output the received signal. The signal is sent to terminal 3...

Color TV main power protection circuit The color TV main power protection circuit is designed to safeguard the television's power supply from various electrical anomalies, such as overvoltage, undervoltage, and short circuits. This circuit typically employs several components, including fuses,...

The dark detector circuit illustrated here is designed to generate an audible alarm when the ambient light in a room is turned OFF. The circuit is constructed around the timer IC NE555. A general-purpose light-dependent resistor (LDR) is utilized...

The Joule thief circuit is well-known among electronics enthusiasts. It has numerous implementations, but the most common is a very minimalist voltage booster. In the simulation file, a 1.5V battery is attached, which is the voltage of a new...

This circuit is designed to achieve exceptional popularity, as evidenced by its record-breaking views and comments on the referenced website. As of May 3, 2013, it has garnered 760,191 views and 412 comments, with 116 views recorded on that...

The circuit includes a microphone (MIC) housed in a cylindrical body that captures sound when an object makes contact. The audio signal is coupled to an integrated circuit (IC) for amplification. The output from the IC, at pins 6...