Posts by Syed Saad Hasan

An Automatic street night light, as the name suggests, is an electronic street light that switches itself ON & OFF without the need for any…

A USB Lamp circuit is a simple electronic circuit that serves the simple purpose of providing emergency light fixtures through the USB port…

Liquid-level indication systems are cheap, durable & easy to design. They are essential in many facets of today's industry, whether it be th…

A Water level indicator is a simple electronic circuit that can indicate the level of any conductive, non-corrosive liquid contained in a ve…

What is a Fire Alarm? A Fire alarm is a simple electronic circuit that determines the presence of any hazardous fire in its vicinity & trigg…

An inverter is a simple electronic device that can be used to provide backup power in case of a blackout or grid failure. An easy-to-build i…

PCB designing is an intricate process requiring technical expertise in terms of both designing and material sourcing. A lot of newbies get i…

Street light circuits or street lamps play an important part in maintaining safety regulations in transportation networks. In this project…

A siren enhancer circuit is an electronic circuit, with which different types of siren generators such as UM66, UM3561, UM3481, etc. work in…

A DC Voltage Doubler/Multiplier circuit is an electronic circuit that charges capacitors from the input voltage and switches its voltages in…

A Voice amplifier circuit is an electronic amplifier that amplifies low-power audio signals such as the signal from a radio receiver or a mi…

An FM transmitter circuit is a low-power radio transmitter that allows any device (such as an MP3 player or a smartphone) to broadcasts an a…

An IR audio transmitter & receiver is an electronic device that is used to send & receive audio signals wirelessly. Infrared data transmissi…