Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, ...

Meshtastic has been experiencing a bit of a renaissance lately, as the off-grid, long-range radio text messaging protocol gains a ton of new users. It’s been used to create mesh networks in ...

Over the years, there have been several memory and display technologies that served a particular niche for a while, only to be replaced and forgotten when a more suitable technology came along. One of ...

このライブラリは，RTCを取り扱う統一的なAPIを作る思いつきの一部で NXP PCF8523用の ライブラリ(デバイスドライバ)です． RTC_PCF8523_U.hに以下のようなデバッグや性能テストに用いるための機能 ...

This project uses an WEMOS D1 Mini ESP8266 module and an Arduino sketch to connect to a NTP (Network Time Protocol) server to automatically retrieve and display the local time on a inexpensive analog ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Abstract: Today, installing a home security system is a critical study in implementing cutting-edge technology to attain this purpose. One of the most useful technologies to allow remote monitoring of ...

Abstract: Fire accidents occur due to natural causes like forest fires, human mistakes, and poor fire safety in places such as malls, industries, and public transport. Because of these fire accidents, ...