Here are some good ideas about electronics mini projects. We hope these ideas would be more helpful to you.
Auto Intensity Control of Street Lights
Thyristor Power Control by IR Remote
Thyristor Controlled Power for Induction Motor
Lamp Life Extender by ZVS (Zero Voltage Switching)
Three Phase Solid State Relay with ZVS
Industrial Power Control by Integral Cycle Switching without Generating Harmonics
Industrial Battery Charger by Thyristor Firing Angle Control
Bidirectional Rotation of an Induction Motor with a Remote Control Device
Optimum Energy Management System
PC Based Electrical Load Control
Density Based Traffic Signal System
Line Following Robotic Vehicle Using Microcontroller
Programmable Load Shedding Time Management for Utility Department
Street Light that Glows on Detecting Vehicle Movement
For some more electronics mini projects ideas, check the page http://www.elprocus.com/mini-electronics-project-i...
I hope this would be more helpful to you.