This project implements a password-protected electronic door lock system using an Arduino microcontroller. A 4×4 matrix keypad is used to enter the password, while a 16×2 I2C LCD provides system ...

Smart lock company Nuki today launched the Keypad 2 NFC, which is the first keypad that includes support for Aliro. Aliro is a smart lock standard that supports interoperability between mobile devices ...

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus]’ ...

I’m already loving this device, and I haven’t even touched one. Arduino announced it has collaborated with M5Stack to develop the new compact and powerful Nesso N1 IoT development kit. This system ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for analog circuits, but can fall short with programmable logic. Tools like ...

A standard telephone keypad, with four rows of three keys each. The top row consists of 1, 2, and 3, with keys continuing down in order until the last row, which is usually *, 0, and #. Such a keypad ...

At times, it may happen that you are without a keyboard and a mouse and yet you’d like to use your Windows PC – or maybe your Keyboard or Mouse is not working. This article will tell you how you can ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...

Qualcomm subsidiary Arduino has announced the VENTUNO Q, a new single-board computer that ships with Ubuntu pre-installed. This isn’t a board aimed at casual makers or tech tinkerers bored with their ...

Unihertz Titan Slim 2: Modern QWERTY smartphone blends physical keyboard productivity, compact design, reliable performance, long battery life, and niche appeal among typing enthusiasts. BlackBerry ...

Abstract: Radar technology has been a cornerstone of numerous applications, from aviation to meteorology, offering invaluable capabilities for object detection and tracking. Traditional radar systems, ...