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Posts tagged bc549

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

25W Audio Amplifier Circuit using STK4142II

25W Audio Amplifier Circuit using STK4142II

Stereo Preamplifier with Bass-boost circuit diagram with IC TL062

Stereo Preamplifier with Bass-boost circuit diagram Parts: P1 100K P2 10K R1,R2 15K 1/4W R3,R4,R11,R12_100K 1/4W R5,R6 22K 1/4W R7,R8 390K 1/4W R9,R10 560R 1/4W R13 220R 1/4W C1,C2 330nF 63V C3,C8 100uF 25V C4,C5 10pF 63V C6,C7 4u7 63V IC1 TL062

What is a PLC ?

Device that was invented to replace the necessary sequential relay circuits for machine control

LM555 Data sheets Timer Current Draws part 1

LM555 Data sheets Timer Current Draws part 1

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