meter

LDR Sensor

Build A LDR Sensor Monitoring The Room Temperature

In this project we will monitor the room temperature using a LDR_NSL19_M51 light dependent resistor (LDR) and 4Duino. The resistance of the LDR varies significantly with ambient light hence it can detect surrounding light intensity changes in real time. In this project 4Duino’s resistive touch display is used as a means for displaying the detected […]

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Capacitance Meter

Capacitance Meter

Capacitors are vital components in electronics, but sometimes they are broken, or the value printed on the cap has become unreadable. Because my multi-meter does not have a capacitance measurement, I decided to make one! The principle of measuring capacitance is quite simple. The voltage of a capacitor charging through a resistor increases with time

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