5V DC To 48V DC Converter For Phantom Power Supplies

This circuit presents a simple and low-cost DC-to-DC converter for phantom power supplies used in mixing consoles, microphone preamplifiers, telephone systems and similar equipment. There are many application circuits that require...
NeoPixel LED lighting using Arduino

NeoPixel Colour-Changing LED Lighting Using Arduino

This NeoPixel LED lighting based on WS2811 driver and Arduino digitally produces red, green, and blue (RGB) lights and the combinations. Originally introduced by Adafruit, the LED strips come with driver...
Smartphone Based Liquid Level Monitoring System

Smartphone Based Liquid Level Monitoring System

Measurement of liquid level in process tanks for monitoring and/or controlling is essential in process industries. In process plants, tanks contain various liquids that are generally costly. Some of the liquids...
6W+6W Stereo Amplifier

6W+6W Stereo Amplifier Using LA4440

Here is a simple project of a 6W+6W stereo amplifier using a 14-pin LA4440 IC. This amplifier can deliver an output power of 6W on a 4-ohm speaker (6W each on...
LED Emergency Light Cum Power Bank + Mini Fan Driver

LED Emergency Light Cum Power Bank Plus Mini Fan Driver

This simple circuit can be used as an LED emergency light, a power bank for charging mobile phones, and as on-the-go (OTG) USB DC fan driver. The power bank with 12Ah can...

Automatic Water Dispenser

A branded automatic water dispenser is usually expensive. So, a relatively low-cost do-it-yourself solution is presented here. It is a portable general-purpose automatic water dispenser perfectly suitable for homes to wash...

DIY: Low Noise Power Supply With Four ICs In Parallel

This article presents a low-noise power supply with four 78L15 voltage regulators in parallel, giving about 15V DC output. The modern environment has become noisier, and every power supply is a...
single-side PCB for the brushless DC motor driver

Brushless DC Motor Driver

Use of brushless DC motors (BLDCs) is on the rise. But their control usually requires rotor position information for selecting the appropriate commutation angle. Normally, a Hall Effect sensor is used...

Smart 230V AC Bulb Holder

The smart 230V AC bulb holder introduced here is an ultra-simple device with an automatic electric bulb controller switch and a standard electric bulb holder realised with the help of a...
smart lights and doors

Automatic Lights and Door Without Microcontroller

There are various IoT devices available in the market that perform tasks based on voice commands such as opening a door or switching on/off the lights and many others. Constructing them...
 
 

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