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Electronic circuit diagram Switching Power Supply

Electronic circuit diagram Switching Power Supply

SCHEMATIC DIAGRAM Relay Driver Board Project

This article means to utilize your old PC to be come a simple controller. Many old PC like 8088 type, 8086, 80286, 80386, or even 80486 already become an obsolete systems. This board using 8-bits of LPT printer parallel data port (DP) to activate the relays. LPT printer parallel port also have 4-bits additional port […]

Electronic circuit diagram audio amplifier AN7135 7w

Electronic circuit diagram audio amplifier AN7135 7w

70W Audio Amplifier Circuit using STK086

70W Audio Amplifier Circuit using STK086

750W sound amplifier circuit

sound amplifier circuit using TIP3055, BD140, BD139, BC546 D1 D2 D3  1N4148

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