So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

Abstract: In today's world, energy efficiency and smart technologies are becoming increasingly important. Lighting is a significant contributor to energy consumption, and traditional lighting systems ...

Arduino has recently announced two new expansions to their Arduino Pro Opta PLC series – the Arduino Pro Opta Ext D1608E and Arduino Pro Opta Ext D1608S, the main difference between the two is that ...

During this months Embedded World 2024 show the official Arduino team have unveiled two new products specifically designed for prototyping and IoT connectivity. The Arduino Portenta Mid Carrier and ...

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 ...

After getting an automatic fish feeder at a discount sale (see below) I started thinking about making a simple feeder relay module using available parts. The intention was to make a universal feeder ...

You can use all 8 input pins, the 4 output Relays Contacts and the various LEDs and have some registers for counting and get the values from the Ladder Script for this Demo. You can get the ...

The concept of automation is getting popularity among people these days and many of them control their lighting, climate, etc remotely at their homes. Several microcontrollers or microprocessors can ...

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 ...