RESEARCH   
           AND DEVELOPMENT

Sound Meter

Face Door Lock

Make Scrolling Display

Make music sound using arduino

Make multi sensor in one circuit

Motion sensor alarm

Glow candle with your voice

Wireless power supply using induction cooker

4 Channel Wireless Remote Switch

how to make digital multi-meter at home

how to control home appliances with remote

how to make 5 volt to 220 volt inverter at home

how to make secret knock detecting door lock

led moving clock using microcontroller at home

how to make a powerful inverter 60 watts with mini at home

how to make inverter with one transistor

how to make self balancing robot at home

how to make amplifier with mobile charger at home

how to make water drop lighting with one ic

how to make small solar charger controller at home

how to make 100w inverter using 555 timer ic

how to make fingerprint door lock system

how to on off ac & dc by mobile at your home

how to make 60w inverter using 6v transformer & small battery