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“Smart Dooor Lock System with Arduino, Using 4x4 keypad and solenoid lock Elevate your home security with our ‘Smart Door Lock’ project, integrating Arduino, a keypad, and a solenoid lock. Transform a traditional door into a modern, keyless entry system …
“Create a smart door lock that utilises BLE for local unlocking and a mobile app integrated with Blues Notecards for remote unlocking. Building a smart door lock has been on my to-do list for the longest time. Many DIY smart …
“Artificial plant with environmental monitoring India faces significant challenges related to air pollution, with several cities consistently ranking among the most polluted in the world. Among these, a few stand out as particularly affected by high levels of air pollutants …
“A little solar-powered E-Ink weather station that fits in a window frame. A new project is up and running! During the last couple of months, I have been working on a power-efficient and small form factor weather station. I designed …
“Last post I described a subcircuit that would take an audio signal from maybe 50K to below audible frequencies and turn it into a square wave—useful for turning audio into a clock signal for an MPU. It worked, but …
“The intertwining of a human’s senses is a beautiful art. Film, cinema, and theater mix sight and sound in ways that affect how we feel emotionally in a significant way. The music we hear during a scene drastically affects …
“Perception of time is really an amazing and fascinating topic. Often we see analog clocks and get a feeling “Are we stuck in a loop going round and round”?, though in reality time is flowing continuously. Inspired from this, I …
“Real time control of a many solenoids. As I designed an self-designed PCB(MCP23017 IO Expander for 16 solenoids on 1 board) to control a large number of solenoids and built an enclosure to house 100(10x10) solenoids. Then I …
“A simple tutorial on how to use SSD1306 for displaying moving GIFs, in this case, cat eyes. For those of you who are experiencing issues with the animation on the SSD1306 OLED display, here is a short tutorial. Two SSD1306 …
“The T3rminal is a CyberDeck that I’ve been working on for the past couple of months and wanted to make it open source. I took inspiration from different devices such as the Decktility, YARH, and other projects. you can …