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…
Electronics Circuits DIY
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,…
About 555 Timer IC – Pinout,Max Voltage, Datasheet etc
The 555 IC is an electronic chip with 8 pins, it is a popular IC that most students and hobbyists use in their projects. The chip is primarily used for Timer projects but it has many many uses like LED…
Automatic White LED Lamp Circuit Diy
Automatic LED Lamp Diy Circuit with LDR and 555 IC Assuming that you are already familiar with automatic lights or street lights that will automatically turn on when the sun sets and will turn off automatically when the sun rises.…
About CD4017 IC – Pinout,Max Voltage, Datasheet etc
The CD4017 is a 16 pin CMOS IC – integrated circuit, commonly used as counter for flashing LEDs and counter You can use this ic for making flashing LEDs with different flashing modes,sequences etc, it has many other uses than…
1.5V to 37V Adjustable voltage regulator DIY Electronic Circuit
Adjustable electronic DIY circuit with LM317 IC Every electronics experimenter or technician needs a voltage adjustable power supply to power different kinds of circuits. For example, you will need 1.5v to test LEDs and 5V to test a 5V circuit,…