This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional PIR sensors.

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

The plug-and-play style of smart home devices is convenient but expensive. ESPHome is monumental in helping you save costs ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

Upgrade your traditional watch by adding apps, data, and notifications to your wrist. Here are the features to look for, along with the top smartwatches we've tested. I’m PCMag’s senior writer ...

You’ll likely have seen the abbreviation “NFC” when browsing smartphone, wearable, and app features — but what exactly does it mean? Most smartphones have Near Field Communication, or NFC, technology ...

Abstract: Ensuring safety at railway gate crossings is critical to preventing accidents. This paper presents an innovative system utilizing Infrared (IR) and Passive Infrared (PIR) sensors to enhance ...

This Arduino library implements a direct Point-to-Point Protocol (PPP) connection between an ESP32 and a host via UART. Unlike IDF PPPoS examples that require a GSM modem, it can establish a direct ...

VCC Power Connects to 3.3V on the Pico. GND Ground Common reference ground. MISO/DO Master In Slave Out SD → Pico data line. MOSI/DI Master Out Slave In Pico → SD data line. SCK SPI Clock Clock signal ...

Abstract: The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing ...