As we know a preamplifier is an essential circuit in audio systems that deals with low-level…
Category: Mini Projects
easy to do mini projects with detailed instructions for ece students
Emergency LED Lamp
Portable emergency LED lamp circuit with simple components and easy to make, here ten super flux…
DIY EL Wire Inverter Circuit
Colorful EL Wires are attractive and Eye Catching Gadget but this wire requires high Frequency AC…
Simple Voice FM Transmitter Circuit
Simple Voice FM Transmitter Circuit designed by using single NPN BC547 Transistor. This mini FM transmitter…
Automatic Street Light Circuit Using IC 741
Simple Automatic Street Light Circuit Using IC 741 is easy to construct with few easily available…
Simple PAM8403 Amplifier Circuit
3W Class D Audio Amplifier designed by using IC PAM8403, This IC is a filterless 3W…
10W White LED PWM Driver Circuit
Simple and easy to Construct 10W White LED PWM Driver Circuit designed by using IC SG3525A.…
PWM White LED Driver Circuit
Following Simple PWM White LED Driver circuit designed by using IC LT3491 and IC LTC6992 from…
Step Up Voltage Regulator
Simple Switching Step Up Voltage Regulator Circuit designed by using IC LM2577 from Texas Instruments. This…