[导读]本项目在RT-Thread RT-Spark开发板(STM32F407)上实现了红外距离传感器。红外LED发射红外光，光电二极管检测来自附近物体反射回来的光线强度。ADC读取电压值，固件将其映射为RGB LED颜色——远距离时为绿色，非常接近时为白色。 LED颜色与距离范围对应如下：绿色表示检测到的物体在20厘米以外;蓝色表示物体在16至20厘米之间;黄色表示12至16厘米之间;红色表示8 ...
But can we extend the capabilities of a $5 ESP32-CAM module to build something similar? In this project, we are going to ...
Learn how to build an IoT-enabled Smart Talking Grocery Scale using an IndusBoard Coin, load cell, ESP32-based hardware, and ...
Alternatives to the Raspberry Pi have existed for a while, but which should you choose? We've compiled the best Raspberry Pi ...
本書で作成した例題のプログラムと、回路図、配置図がダウンロードできます。圧縮ファイルですので、解凍してお使いください。 回路図（Hardwareフォルダ） 「 _SCH」は回路図 「 _BRD ...
Jak nowy podatek 3€ od przesyłek spoza UE wpłynie na ceny i dostępność modułów elektronicznych z Chin oraz zakupy z DigiKey i ...
An expert technical writer and on-page SEO specialist with 5+ years of creating content that help users find what they are looking for online. An expert technical writer and on-page SEO specialist ...
Five new Elektor courses help beginners take their first steps in microcontroller programming with Arduino, ESP32, and Raspberry Pi Pico. Each course combines hands-on projects, hardware kits, and ...
Neste vídeo, mostro como montar a nova eletrônica do Opala de Controle Remoto com baixo custo, usando o poderoso ESP32! Acompanhe o passo a passo de como programar o ESP32 para controlar seu Opala de ...
Smartphones may be pocket-sized computers that can do thousands of different things… but sometimes that’s as much a weakness as it is a strength. I can’t count the number of times I pulled my phone ...
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