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The increasing use of air conditioning in both industrial and smaller domestic usage is driving the demand f......
音量指示器--Sound Level IndicatorThis project uses an LM3915 bar-graph IC driving two sets of ten LEDs for a 30dB r......
Abstract: Most vehicle electronic systems require overvoltage, reverse-battery, and transient protection. The ......
This circuit not only indicates the amount of water present in the overhead tank but also gives an alarm when ......