Saturday, May 23, 2009 Inverter/Ups CIRCUIT OF SIMPLE ON LINE UPS physical irfz44 & CD4047 chip Simple Circuit of UPS on line UPS (Uninterruptible Power Supply), is used to anticipate the power off. Out...
9:07 PM Tone Control/ Equalizer 5 Band equalizer BA 3812 chip 5 Band equalizer Skema Rangkaian 5 band equalizer In this part of the investigation in a series of 5-band Equalizer circuits wi...
Tuesday, May 19, 2009 Battery Chargers Battery indicator In this part of the investigation in a circuit of battery indicators , this is arise such alarm sound or light up when the battery already w...
Saturday, May 16, 2009 Jam Digital/Counter Mikrokontroller Jam Digital berbasis Mikrokontroler AT89s51 Rangkaian Jam Digital berbasis Mikrokontroler AT89s51 Digital hours to make this not too difficult. This series is not my original projec...
Sunday, May 10, 2009 Power Amplifier Skema Audio Ampflifier 60 watt Audio Amplifier This circuit in the complete with bass-boost control on the fedback loop amplifier, this is done to overcome the d...
8:28 AM Adaptor/ Regulator Power supplay (Adapter) 12 volt dual voltage of adapter Transformator 18v-CT (min) Capasitor 35v Bridge Rectifier 2 Ampere /100 v c4, c5 Ceramic 12 VOLT 20 Ampere...
8:19 AM Timer/ Osilator Skema Rangkaian Oscillator LM555 LM555 Astable oscillator Circuit. Circuit oscillator astable Frequency of the output pulses is determined by the values of two resistors, ...