Electronics Projects Archive

Electronic plans news for electronic hobbyist or engineers. Free electronic schematics (circuits) electronic blog site. Electronic content post and more..

STK4221 Amplifier PCB

STK4221 amp It works just fine Like I said, 5.1 part of the system RL RR FR FL output stage was STK4221 It has been used CENTER and BASS Part..

7812 and 2N3055 12v-15 Volt 20 Amp Power Supply

Heavy bulky quite strong and a shake 🙂 a power supply circuit is adjustable from 12 … 15 volt regulator integrated 12volt classic L7812 was carried out by increasing the..

Bitmap (BMP) Protel PCB converter

Protel printed circuit converter program that you can use in a drawing program. Language is English, but very easy to use and does not require installation Bmp image formats PCB..

Op Amp Designer inverting non-inverting calculation

Particularly with 741 opamp can use a simple calculation program is free sample circuits with electronic information displayed Inverting and Noninverting op amp, a good program can do calculations with..

555 Designer timer astable monostable calculator

Quite common in the use of electronic NE 555 timer integrated program for a calculation prepared sample calculations are made with 555 circuits Built-in 555 astable, monostable account, you can..

inductance calculator program

Prepared by Bob Stein `s the indicator and filter calculation does not require installation file run micro2003b.ex to use my programı.progra INDUCTANCE CALCULATOR Ver 3.0 7-9-92 This program will calculate..

Simple 5V Regulator Circuit

Fixed 5V regulator circuit that can provide a simple. One transistor MJE3055. = The Zener voltage of the output voltage – threshold voltage transistor is according to formula. 5 V..