The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and ...

#define SS_PIN 10 // Definindo o pino para conexão do módulo RFID #define RST_PIN 9 // Definindo o pino para conexão do módulo RFID MFRC522 mfrc522(SS_PIN, RST_PIN); // Informa no programa quais os ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

Nuclear leakage detection and radiation monitoring have become critical as the world generates increasing amounts of nuclear ...

Gilgo Beach serial killer Rex Heuermann pleaded guilty to seven counts and admitted guilt in the death of an eighth woman.

Modern technology builds on abstractions. Most application programmers today don’t know what a non-maskable interrupt is, nor should they have to. Even fewer understand register coloring or ...

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...

Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...

A Secretaria da Receita Federal decidiu antecipar e liberou o chamado "download" do programa do Imposto de Renda 2026 nesta quinta-feira (19). O programa está disponível no próprio site da Receita ...

pinMode(led1, OUTPUT); // Configura o pino do LED 1 como saída pinMode(led2, OUTPUT); // Configura o pino do LED 2 como saída pinMode(led3, OUTPUT); // Configura o pino do LED 3 como saída ...