Tag: lm3915 IC

Battery Level Indicator
Circuit Designing Electronic devices Electronics project Electronics tutorial Integrated circuits (ICs) Protection Circuits

LM3915 LED Battery Voltage Level Indicator Circuit Diagram

In this article, you will learn to build LM3915 battery voltage level indicator. The LM3915 is a popular integrated circuit (IC) used in projects that require visual feedback on voltage levels. It’s widely applied in devices like battery monitors, audio level meters, and power supply indicators. This IC lights up a series of LEDs to show […]

Proximity Sensor Circuit
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3 Simple IR Proximity Sensor Circuits with Working & Applications

Here is a simple proximity sensor circuit which shows proximity of an object by LED bar graph. Also, you will see two other simple proximity sensor designs. Proximity sensors are devices that detect the presence of an object within a certain range without any physical contact. They are widely used in various applications such as […]