12V Inverter Battery Charger Circuit This is a simple but old and not recommended inverter battery charger that can be used to recharge a 12V Battery Keep in mind this circuit doesn’t have any protection like over charging protection, battery…
Electronics Circuits DIY
Electronics Symbols Download
Electronics schematic drawing symbols download This is a Zip package containing electronics component symbols that can be used to draw high quality schematic diagrams. in the package, there is csh files for each components, csh files are Photoshop custom shape…
DIY LED Projector Stand Wall Mount
Build your own adjustable Movie Projector stand with wood Here is a do it yourself LED projector stand completely built with wood, this was made for my i9 projector. Rotatable clockwise,changeable height to adjust projection position and can be mounted…
5V Regulated Power Supply DIY Circuit
How to build a 5V regulated electronic power supply using 7805 This circuit is based on the common and well known 7805 voltage regulator IC. the 7805 can supply requlated +5V supply output and 1A (ampere)current. Most digital circuits need…
Automatic Cooling Fan Circuit
First posted in our old blog ziddique.WordPress.com This is an easy to build and smart cooling fan circuit, the smart means that this fan will start automatically when the temperature rises above a set level. To function this circuit as…
How to Block Thump Noise When Turning On Audio Amplifier
Delaying Relay Circuit to Block Thump or POP Noise of Amplifier “Thump” or pop noise is an annoyance when you turn your audio amplifier on/off, you can’t do much to stop the pop sound like adding more filter caps..etc. it…
Automatic Lamp Circuit
Automatic Mains Lamp Circuit Diagram Diy Warning!, This circuit is not isolated from mains! Touching any parts of the circuit while connected to mains may cause to pass high voltage through your body and may kill you! First published at…
Simple LED Flasher Circuit Diy
555 ic based simple LED flasher Electronic Circuit diagram First published in my old blog ziddique.wordpress.com back in 2010s This simple circuit using 555 timer will flash one blue (or more) LED within a set time The 555 LED flasher…
Simple Continuity Tester Circuit Diagram Diy
Simple 1 transistor based Continuity Tester Circuit Diagram First published in my old blog at ziddiwue.wordpress.com This circuit is a countinuity tester, it can be used to test continuity of a wire or any kinds of conductors. Continuity Tester Circuit…
Wire Trap Security Alarm Circuit DIY
NE 555 ic based wired security alarm diy electronic circuit First published in my old blog at ziddique.wordpress.com in 2011 The security circuit posted here is a simple wire trap system, if the wire from “A” to “B” is broken,…