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“Hey fellow DIY’ers. Have you ever found your house door open after returning from a long trip? Me neither. But it is always good to have a safety system in our houses. I’m not talking about the old …
“Another example of using a LCD keypad matrix 4x4 with an I2C circuit. This matrix keypad is made of 16 push buttons and with I2c communication, you just need 2 pins to manage it: SDA (A4 on arduino board) and …
“Pixel and play is an interactive game console based on a Neopixels matrix and the Arduino Nano BLE sense This project was born in ‘Creative Electronics’, a BEng Electronics Engineering 4th year module at the University of Málaga, School of …
“Unlock your deadbolt remotely through WiFi using Netduino. Keyless Entry and Smart Locks The idea of smart locks has been out for a while, but at the end of the day, people still end up carrying either RFID or just …
“Scientists have taken a major step toward a circular carbon economy by developing a long-lasting, economical catalyst that recycles greenhouse gases into ingredients that can be used in fuel, hydrogen gas, and other chemicals. The results could be revolutionary in …
“Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both amplitude and the phase of light. A KAIST research team in collaboration with …
“In conventional sensing methods, noise is always a problem, especially in systems that are meant to detect changes in their environment that are hardly bigger or even smaller than the noise in the system. Encountering this problem in his experiments …
“Over the years, I have built and use many communication methods for my robotic projects. No system is perfect, I have work with the EZ-link ( Bluetooth module), XBee, RobotShop PS2 controller, etc. However, my favorite so far is the …
“Stronger password, easy & (almost) secure way The PassStrong BlueTooth Dongle uses a 14$ Esp32 dongle to generate, securely store (with limitations, see hereunder) and types strong passwords.”
“PCB designing it is my hobby. Usually, I did something for myself only, but some time ago my wife asks me for anything beautiful for her. And soon I designed this flower. It’s the first time I use an …