Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

On November 10, 2025, five weeks after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted ...

The built-in web server, which is hosted on the ESP32, allows monitoring through any device connected to the local network, ...

If there is one thing we like, it’s a fellow hacker so enthusiastic about his or her work that they write the article practically for us by including as much detail and information as possible. It is ...

Coding and development skills can open you up to a range of career paths and opportunities. For those who are looking to save on a specialized educational opportunity to help you get on track for a ...

The following image shows the circuit diagram of the Smart Dustbin with Arduino. It is a very simple design as the project involves only three main components (Ultrasonic sensor, IR sensor and Servo ...

In a previous article, we looked at connecting various kinds of Arduino hardware to your Mac. Here's how to get started programming on them to create your own projects. In order to program your ...

Most microphones’ output signals are weak and cannot be directly connected to some other circuits. Also, some microphones require DC power supply or high impedance inputs. Here is a dual (stereo) ...