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Adjustable DC Motor Speed Controller Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

To begin with, Adjustable DC Motor Speed Controller Circuit with Reverse Forward Facility discusses about how to make one simple circuit to control DC motor speed and direction, it uses one popular chip called IC 555 and one special switch. Hence, we can change motor speed by turning one knob which controls power and send […]

Filed Under: 555 Timer Projects, Motor Controllers

Simple Non Contact AC Mains Voltage Detector Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

This Simple Non Contact AC Mains Voltage Detector Circuit is to find AC voltage without touching wire, and it uses antenna to catch AC signal from air. After that, the signal goes through transistors and LED blink when AC voltage is near, also this circuit is good for safety and easy to make at home. […]

Filed Under: Mini Projects, Security and Protection, Sensors and Detectors

Water Level Indicator Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

This Water Level Indicator Circuit is a small project to show water level in tank by using 4 LED lights and each LED tells how much water is inside the tank and when water goes up more then more LEDs turn ON. Also, this circuit is easy to make and uses cheap parts and is […]

Filed Under: Indicator Circuits, LED and Lamps, Sensors and Detectors

IC LM35 Temperature Indicator Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

To begin with, this IC LM35 Temperature Indicator Circuit is small and easy circuit, which uses LM35 chip to check temperature. Also, there are no need of many parts and no need of difficult microcontroller, LED light turn ON when it become too hot or too cold which depend on how we set it. Hence, […]

Filed Under: Indicator Circuits, Sensors and Detectors

Simple Soil Dryness Detector Circuit

Last updated on 23 April 2026 by Admin-Lavi Leave a Comment

Like humans, plants also need water to stay strong and healthy! however, sometimes it is a little hard to know when plants need water. In this article, we show how to make a Simple Soil Dryness Detector Circuit, so it can sense soil moisture. When the soil becomes dry and plants need water, this device […]

Filed Under: LED and Lamps, Sensors and Detectors

Simple Adjustable Power Supply Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

Many electronic things need clean DC power to work good and through this post we will show how to make one easy Simple Adjustable Power Supply Circuit. The circuit changes dirty DC power to clean power and it uses one chip called LM338, the circuit take DC from 5 to 34 volt and gives clean […]

Filed Under: Mini Projects, Power Supply Circuits

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