The Tech Galaxy
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…
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,…
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 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.…
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…
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,…
Micro FM Radio Transmitter Circuit FM radio transmitter is radio transmitter that can be used for purposes like transmitting your radio signals throughout the air or for spying (eg.listening to one’s speech secretly). etc, Building and using transmitters are illegal…
Motorcycle and other vehicle Mobile Phone Battery Charger Tutorial and a bit Life experience of its importance Having a mobile phone charger in your vehicle can be very useful today because when you are travelling, you don’t need worry about…
This is an image of the CTIA earphone pinout configuration for android,iPhone etc earphones. This earphone pinout is not the same for old Nokia earphones because they use OMTP standards configuration. But it is a simple fix, just change the…
Here’s the circuit for android or other CTIA standards earphone supported devices earphones inline music control, the next,prev,vol up, and vol down functions acquired using few resistors that connected from MIC to GND through push buttons. This circuit works with…