LED Display for On-Off battery indicator

Tuesday, November 25th, 2008

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This circuit uses LED - 2 pcs. show something On - Off of or the circuit that use Battery. By LED - D1 flasher , when open and D2 flasher when open. While open that have charge current amount of flow [...]

LED Indicator for remote AC loads

Monday, October 20th, 2008

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The LED Indicator for remote AC loads Circuit. At very cheap and use electronic part the a little. This circuit uses diode rectifier cheapness , Resistor and LED only. As a result assemble the circuit shows flowwing of AC current Source in load easily. Although intend to design for apply to office implement [...]

LED Display for power supply 6V or 15V by LM3909

Monday, September 29th, 2008

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This circuit uses the integrated circuit LM3909 perform be LED Flasher and Oscillator. For Drive LED give Flasher on - off with Frequency 2Hz. For formed show of office equipment with Battery For battery 6V size Capacitors. CT be valuable 400uF, Rs be valuable 1000ohm and [...]