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 ...

[Michael Lynch] recently decided to delve into the world of off-grid, decentralized communications with MeshCore, because being able to communicate wirelessly with others in a way that does not depend ...

A complete water depth measurement system using an industrial 4-20 mA hydrostatic pressure sensor, INA219 current sensor module, LM393 soil moisture sensor, and Heltec WiFi LoRa 32 V3 board with built ...

This device could literally save your life. When you're in remote locations—hiking in mountains, camping in forests, exploring deserts, or working in rural areas—cell phone service often disappears, ...

This DIY Bluetooth Speaker is a budget-friendly project that delivers clear wireless audio using affordable components. With the help of a DIY Bluetooth Speaker amplifier, the Bluetooth module sends ...