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Posts tagged 74HC04

Automotive 0v to 12v InPowered Indicator

Automotive 0v to 12v Electrical Voltage Indicator using 74HC04, 74HCT04

How to draw a circuit diagram involving voltmeter and ammeter?

Meep asked: The circuit has one parallel (two resistors) and two other resistors in a series. If we found the current in every resistor, do you show that on the circuit diagram? so basically my question is.. do you only put the A in one part of the diagram? or with each resistor? i’m just […]

sensor circuit

Alarm music for sensor circuit using UM3483 R1,3,4 ……….. 100K R2 …………… 56K R5 …………… 330K VR …………… trimport 100K C1 …………… 33pF C2 …………… 22uF/10V C3 …………… 100nF C4 …………… 4,7uF/10V C5,6 …………. 20nF C7 …………… 100uF/10V Q1 …………… 9012 Q2 …………… 9013 IC1 ………….. UM3483, MB683 S1 …………… Push on Sw SP …………… […]

TR AMP AUDIO PWR 65W

TR AMP AUDIO PWR 65W

Full-duplex Intercom PCB for your office and house

P1____    22K  Log. Potentiometer R1___     22K  1/4W Resistor R2,R3____ 100K  1/4W Resistors R4___     47K  1/4W Resistor R5_____   2K2 1/4W Resistor (See Notes) R6_____   6K8 1/4W Resistor R7________22K  1/2W Carbon or Cermet Trimmer R8_______ 2K7 1/4W Resistor C1,C6_____100nF  63V Polyester or Ceramic Capacitors C2,C3___ _10µF  63V Electrolytic Capacitors C4________22µF  25V Electrolytic Capacitor C5________22nF  63V Polyester or […]

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