3 shows the circuit diagram of the automatic water level indicator cum controller. It is built around an Arduino Uno board (MOD1), three LEDs, a 5V SPDT relay, and other components. First, all sensors ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Researchers have developed a new optical ...

It isn’t that hard to make an electronic rain gauge if you have a steady source of power or you don’t mind changing batteries ...

United States, February 4, 2025 -- Hamilton, a global leader in precision engineering and laboratory automation, introduces ...

SparkFun has recently released the Digi X-ON LoRaWAN development kit an all-in-one IoT development kit designed to simplify the setup and deployment of ...

In this article, we will learn how to similar speed sensor using Arduino and IR sensor. By setting up the two IR sensors at a fixed distance from each other, we can track the time it takes for the ...

A pressure washer is one of the best ways to tackle super dirty home areas or hard-to-reach places around your home to get them back to looking fresh and clean. People commonly use pressure ...

Pressure washers, also known as jet washers and power washers, deliver a powerful concentrated jet of water to remove dirt, and are usually more efficient than a brush and garden hose. As part of our ...

THIS CODE IS OBSOLETE * It needs to be updated to be compatible with changes to the ESP32 standard libraries. Also, if fine granularity control is required, it needs to use long int arithmetic instead ...

Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) for instant updates. A webserver ...