The ASUS Eee is a fantastic ultra-portable notebook with almost everything required for geeks (and nothing that isn’t). Plus it features fantastic build quality...
Friday, January 31, 2014
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Remote Controlled Surveillance Robot
This post will provide you with the basic information on how a remote controlled vehicle can be constructed. Read on to know more about...
Wednesday, January 29, 2014
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Electronic Street Light Switch Circuit Digram
Here’s a simple and low-cost street light switch. This switch automatically turns on the light at sunset and turns it off at sunrise. The...
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Reuse Old Mobile Phone Battery for LED lighting
Normally mobile batteries have a lifespan of 2-5 years under normal usage. But then we have to replace them. Nowadays there are cheap replacement...
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Computer Case Mods Warhammer 40K
This modder has constructed this detailed case with props and metallic textures to build this impressive masterpiece. It has moving parts such as a...
Tuesday, January 28, 2014
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Long-range Burglar Alarm Using Laser Torch
Laser torch-based burglar alarms normally work in darkness only. But this long-range photoelectric alarm can work reliably in daytime also to warn you against...
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Low Power Wireless Audio Power Amplifier
Battery-Powered portable unit, Suitable for all type TelevisionsUsing this low-cost project one can reproduce audio from TV without disturbing others. It does not use...
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Reliable Car Battery Tester
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has...
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Solid State Relay - Required Only 50uA Drive Current
This circuit demands a control current that is 100 times smaller than that needed by a typical optically isolated solid state relays. It is...
Monday, January 27, 2014
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Simple Speed Control Temperature DC Fan Circuit Diagram
This is a simple speed control temperature DC fan circuit diagram. This simple circuit based on two transistors that can be used to control...
Sunday, January 26, 2014
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Voice Scrambler
With this circuit you can modify how your voice sounds by changing the pitch of your voice. This circuit can be connected to a...
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Sound Activated Switch II
With this sound activated switch, control by sound may be very useful, not just on a robot but also for a bit of home...
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Tri-Waveform Generator
The Tri-Waveform Generator can be used for a number of different uses. The one that I use it for is a signal generator to...
Saturday, January 25, 2014
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9V Battery Replacement Power Supply
This circuit was originally designed to power a motorcycle intercom from the vehicle supply system. This type of intercom, which is used for communication...
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Build Emergency Light & Alarm
Warning! The circuit is connected to 220Vac mains, then some parts in the circuit board are subjected to lethal potential!. Avoid touching the...
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USB Enabled Remote Control
The objective of a remote control is to have the ability to operate a device from a certain distance. Nevertheless, remote controls usually are...
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Rotative Speed Regulator Borer, Driller Controller
This rotative speed regulator circuit schematic allows to control the holing speed of your borer or driller machine. This project is based on the...
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How to make an Apple II computer fit on your wrist (streampowers)
Disclaimer: streamPowers.blogspot.com is not responsible for any damage caused to your devices due to any information found on this site. Please use this knowledge at...
Friday, January 24, 2014
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SMD FM Transmitter
Let’s construct a low-power FM transmitter using surface-mount devices (SMD) that will be received with a standard FM radio. Soldering surface mounted devices is...
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Solar Lamp using the PR4403
The PR4403 is an enhanced cousin of the PR4402 40 mA LED driver. It has an extra input called LS which can be taken...
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Tweeter Used to Sense Vibrations
The creator built a neat looking project which uses a piezoelectric element from a tweeter to detect vibrations. He is using a Zilog eZ8...
Thursday, January 23, 2014
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Equalising HEXFETs
When experimenting with audio output stages featuring multiple HEXFETs it quickly becomes apparent that the total power is not divided equally among the individual...
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In Circuit Transistor Checker
This simple circuit has helped me out on many occasions. It is able to check transistors, in the circuit, down to 40 ohms across...
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Universal DC Power Supply
I didn't realize till the other day that I have never shown a circuit for a standard power supply. Shown below is a supply...
Wednesday, January 22, 2014
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24V DC Powered Beeper with 4 Separate Inputs
24v DC is a very popular voltage used in industrial settings. This hobby circuit below was designed to accept four different 24v DC alarm...
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LM4910 Stereo Headphone Amplifier
LM4910 belonging to the Boomer series of National Semiconductors is an integrated stereo amplifier primarily intended for stereo headphone applications. The IC can be...
Saturday, January 18, 2014
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Streampowers PC Power Box with E-fuse
This little circuit can assist you to get rid of all surplus tiny ac mains adaptors from your desktop. The circuit is nothing, however...
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Kitchen Exhaustion Fan Controller
Exhaustion fan is a very important element in kitchens. Here may be a easy circuit to manage kitchen fans by monitoring the ambient temperature....
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