The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and weather monitoring solution built around the company’s own Novaduino Display ...

Abstract: A three-way lock system using face detection, an Radio Frequency Identification (RFID) reader, and a digital lock is presented in this article. A safe and solid locking framework can be used ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

The Grand Market is directly southwest from Big Jay's, on the corner of Neely and Sanders in Eastern South Vale. While its doors are locked, there's a keypad on its ...

Michael Lynch] recently decided to delve into the world of off-grid, decentralized communications with MeshCore, because ...

According to the Staff Memo taped to the window of the Nurses' Station (above), you aren't going to find the keycode to its door simply written down somewhere in the hospital. This is technically ...

Arduino is probably the first thing that comes to mind for most hobbyists and students when they think about embedded systems. It has certainly gained its name among the electronics community, and in ...

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 ...

Nuvoton’s NuMicro M55M1 is a low-power AI MCU that combines a 220 MHz Arm Cortex-M55 CPU with a 111 GOPS Ethos-U55 NPU to run basic AI tasks on-device. It specifically targets small IoT and embedded ...

This is a library for the Si5351 series of clock generator ICs from Silicon Labs for the Arduino development environment. It will allow you to control the Si5351 with an Arduino, and without depending ...