blog.csdn

手机蓝牙控制Arduino Uno LED开关：App Inventor + HC-05实战教程

说实话，Arduino 入门玩家十有八九都想过同一个问题：能不能用手机控制开发板？哪怕只是点个灯，成就感都完全不一样。我这些年带新手和给学生做演示，用得最多的方案就是 App Inventor 2 + 蓝牙模块 + Arduino Uno 控制 LED 开关 。这一套组合不贵、反馈直观、逻辑链路也短，走通一次就能同时搞清楚 ...
Frontiers

Sustainable agriculture from the bottom up: a compact and versatile low-cost platform for agricultural monitoring

Digital technologies in agriculture are often associated with sophisticated, high-end, or network-capable systems based on robotics, remote sensing, or IoT. These systems, however, remain financially ...
Frontiers

Optimized design and performance evaluation of a highly precise variable rate mis-planting and replanting potato electronic-metering mechanism

The obtained results demonstrated optimal stability at lower speeds (2.13-3.07 km/h), where sensor accuracy remained consistent, achieving peak performance (QI=98.7%, RI=100%, minimal MPI) at 41.24 cm ...
Hackaday

metal detector

If you think of a metal detector, you’re probably thinking of a fairly simple device with a big coil and a piercing whine coming from a tinny speaker. [mircemk] has built a more modern adaptation.
electronicshub

DIY RGB LED Matrix

In this project, we will see how to make an RGB LED Matrix using simple components. LED Matrix is one of the popular Arduino projects among several DIY and hobby projects. An RGB LED Matrix is one ...
C&EN

Transforming Pixels into Spectra: The Educational Journey of Recycling an Old Optical System

Department of Chemistry and Biology, DAQBI-CT − Federal University of Technology of Parana − UTFPR, Curitiba, Parana 81280-340, Brazil ...
electronicsforu

Arduino Bluetooth Control Device

Creating an Arduino Bluetooth control device with an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances wirelessly using an Android smartphone. Communication ...
GitHub

mit-app-inventor

A complete home automation system developed on ESP32 microcontroller using freeRTOS. The system is controlled wirelessly via Bluetooth with an android app developed using MIT App Inventor. A robot car ...
SciELO

Use of the Arduino Platform for the Piezoresistivity Analysis in Self-Sensing Cement Composites

Concrete structures are susceptible to several factors during their life cycles, which can cause various problems. This situation can be avoided in many cases if Structural Health Monitoring (SHM) is ...
blog.csdn

App Inventor 2—掌控板蓝牙通信入门

在《App Inventor 2—零代码开发自己的物联网APP》一文中，我们了解了App Inventor 2是一个创建Android应用程序的可视化编程工具，简称AI2。并且自行创建了一个通过Easy Iot物联网平台与掌控板进行连接 ...
SciELO

BIPES: PROGRAMAÇÃO DE DISPOSITIVOS ELETRÔNICOS EM BLOCOS PARA ATIVIDADES EDUCACIONAIS MÃO NA MASSA

O desenvolvimento de habilidades de programação de computadores é relevante em diversos contextos educacionais. As atividades práticas maker, de robótica e solução de problemas por projetos trazem ...
datacenter-insider.de

Arduino-kompatible Alternativen

Mit dem micro:bit geht nun wieder ein ARM-basiertes Board ins Rennen – mit einem ganz anderen Ansatz als die bisherigen Controller. Beim micro:bit geht es nämlich primär ums Lernen, wie auch schon ...