205 articles written by Received by Email

Author: Received by Email

About: Here are the articles received by email from people around the world. Please use the contact form if you have any issues with any of these articles. Thank you!


ttl power supply monitor

Power Supply Monitor for TTL

Received by Email - 11/06/2012

This simple TTL power supply monitor circuit monitors the 5-volt level TTL power line and gives a signal [...]
Voltage Converter TL497A

TL497A Voltage Converter

Received by Email - 11/05/2012

This voltage converter is built with TL497A and converts an input voltage of 5...12 voltage to a higher [...]
usb booster

USB Power Booster

Received by Email - 07/08/2012

As you probably know, the USB 2.0 ports can deliver up to 500 mA, that means about 2.5W. [...]
hi fi stereo preamplifier circuit schematic

Hi-Fi Stereo Preamp Circuit

Received by Email - 05/23/2011

This Hi Fi stereo preamplifier circuit is built with TDA1054 IC from SGS. TDA1054 is a 16-pin DIL [...]
humidity controlled switch circuit schematic

Humidity Control Switch Circuit

Received by Email - 12/03/2010

This humidity controlled switch circuit turns on and off an electrical load (for example a heater) depending on [...]
tremolo effect circuit schematic

DIY Tremolo Effect Circuit

Received by Email - 11/17/2010

This tremolo effect circuit uses the XR2206 and the TCA730 IC which is designed as an electronic balance [...]
audio processor circuit schematic

Audio Processor Circuit

Received by Email - 11/16/2010

This audio processor circuit features the SSM2045 IC which was developed specially for electronic music applications and the [...]
cheap metal detector circuit schematic

Cheap Metal Detector Circuit

Received by Email - 09/09/2010

The working principle of this cheap and easy to build metal detector circuit consists in mixing two equal [...]
wind sound effect generator circuit schematic

Wind Sound Effects Circuit

Received by Email - 09/07/2010

This wind sound effect generator circuit perfectly imitate the noise of the wind. Transistor T1 is connected as [...]
sound generator circuit schematic

Sound Generator: The Old West Sounds

Received by Email - 08/02/2010

This sound generator circuit will produce 6 sound effects from the old west and it shows how far [...]