Electrical appliances such as lights, fans, air-conditioners, TVs, and water pumps are typically operated using manual ...

Coming Soon: Smart Cold Storage Monitoring System using Matter Protocol Real-time temperature & humidity tracking with IoT-powered automation, cloud monitoring, and instant alerts — designed for ...

Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...

Drink Crafter is an open-source project that turns an ESP32 and a relay module into a sophisticated, automated cocktail and drink mixing machine. It hosts its own Wi-Fi network and provides a ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

IN - This pin is also called the control pin because it is used to control the output of the relay. COM - is connected to the device you intend to connect. NC - terminal is connected to the COM ...

CoreData Global, a Singapore-based research and development firm, has just introduced the RelayFi 4-channel relay board based on ESP32 and compatible with Tasmota open-source firmware, as well as ...

LilyGo T-Relay-8 is an ESP32 WiFi & BLE board equipped with eight 5V relays supporting up to 250V AC or 28V DC, as well as 16-pin GPIO header for expansion. The board offers a more compact solution ...

What can be the best power supply ? One with isolated from the main 220v, battery power, linear regulated. The battery will be recharged when the Pi is not activated or when too low output voltage. An ...