SMD Experiment with 555 Timer IC & 4017 Decade counter. Power supply for this Tiny circuit is 2.4 volt to 9 volt DC.
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220V IR Infrared Module Sensing Microwave Radar Body Sensor SwitchVoltage: AC 220V /50HzAdjust :Day / Night : to moon sign for Night mode & Sun sign for Day/Night both mode.Sensitivity : + for Increase &...
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Mini Under water emergency light, which is made with one LED, a 100 ohms register and a piece of wire, 2 or 4 AA battery is enough for power supply.
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This is very simple circuit build with 555 Timer IC and a LDR, heart of this circuit is 8 Pin DIP IC 555, Pin 1 for Ground power supply & Pin 8 used for positive...
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Video shows Simple Water level Indicator for your home, you can use it in your Over Head or Under Ground Water Tank.
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Parts List : Register : 220 K x 1 , 22K x 1, 68 ohms x 2 IC : 555 Timer IC Capacitor : 10 MFD/6 Volt Power Supply : 3 to 6 Volt DC.
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