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Archives for March, 2016

6v – 12v simple inverter circuit diagram

6v – 12v simple inverter circuit diagram using NE555 and TIP41, 42, 2N3904

LCD Modules diagram

LCD Modules using PCF8574 8 bit I2C LCD Modules using PCF8574 8 bit I2C

1.5v DC to AC inverter circuit for lamp using SP4425

1.5v DC to AC inverter circuit for lamp using SP4425

Electrical wiring diagram circuit

Guide Wiring Diagram Electrical wiring diagram circuit for your home should be according to plan and rules, because the wiring diagram in the work will be much risk if not properly and lack of experience. How to do the job right wiring diagram circuit ? answer is to ask an expert or search for information […]

Preamp mic schematic and Audio Megaphone

Preamp mic schematic and Audio Megaphone using BC547, TDA7052 P1_____________22K R1_____________22K R2,R3_________ 100K R4_____________47K R5______________2K2 R6______________6K8 R7_____________22K R8______________2K7 C1,C6_________ 100nF  63V C2,C3__________10µF  63V C4_____________22µF  25V C5_____________22nF  63V C7____________ 470µF  25V Q1_ BC547 IC1 TDA7052 SW1____________SPST MIC____________electret microphone SPKR___________8 Ohm Loudspeaker

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