The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

This project demonstrates the interfacing of an Infrared (IR) sensor with the Arduino UNO R4 WiFi to detect obstacles in real-time. It utilizes digital signal processing to monitor the environment and ...

A full-stack IR automation system: an ESP32 acts as a USB-connected IR blaster/receiver, and a Raspberry Pi controls it over serial to learn, test, and automatically send IR codes at boot time ...

In this video I'm showing how you can send data from an Arduino (NodeMCU) board to a hosted Laravel application. The example ...

Even though the technology has been in use for decades, IR blasters are a key part of today's smart TVs and will be for years to come. Here's why.

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

Physical letters are replacing emails to deliver hardware wallet phishing campaigns QR codes in envelopes direct victims to fake credential harvesting websites Trezor and Ledger owners receive urgent ...

With U.S. and Israeli forces continuing offensive strikes on Iran, federal counterterrorism authorites are warning that the ...

The mysterious Persian-language transmission began about 12 hours after the start of the US-Israeli bombing campaign against Iran. It was jammed five days later. Is it a coded message for US agents in ...

Iran's internet and phone calls are still blocked, and trying to reach the outside world comes with real risk.