Build a low-power wearable air quality pendant using STM32 and SGP40 sensor to monitor TVOC levels with RGB LEDs, buzzer alerts, and real-time feedback, ideal for homes, offices, or industrial safety.

How to activate and modify a SIM card lock on an Android phone Setting up a SIM card lock requires you to enter the default passcode set by your operator. The default SIM PIN is often on the ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small ...

India Launches DigiPIN: New 10-Character Digital Address to Replace PIN Codes; Know How to Get Yours India Post’s DigiPIN gives every Indian home and business a precise 10-character digital address, ...

After Bengaluru, Amazon has begun its 10-minute delivery service, "Amazon Now", in select Delhi pin codes, with the e-commerce giant saying on Thursday (July 10, 2025) that it is enthused with the ...

OnePlus on Wednesday (June 25, 2025) announced doorstep pickup and drop service of devices across 19,000+ Pin codes in India with an objective of strengthening its aftersales network across tier 2 ...

Released PIN Codes Meanwhile, the NSA says 132,393 students from 100 institutions have had their details successfully processed and the Authority has issued their PIN codes. The statement said the ...

A recent study shows the 50 most common—and hackable—PIN codes used across Idaho. Find out if yours made the list.

Want to keep your phone secure? Avoid using this common PIN code — here’s why it’s risky and what to choose instead.

If you use a four-digit PIN number, your personal code may not be as secure as you think. PIN codes are commonly used to unlock iPhone or Android devices, access online banking, get cash out of an ...

Here are 50 of the most popular PIN codes, according to data from Have I Been Pwned?, a website that tracks data breaches worldwide. If you use any of these PINs, it’s probably a good idea to change ...

This crucial how-to guide will explain how you can unlock your Android phone when you do not have the password available.