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 ...
In this tutorial I will show you how to connect a relay board to a Raspberry Pi, relays are an electromagnetic switch that allows you to control a high voltage electrical circuit by opening and ...
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ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...
A few weeks ago I set up the automation of my electric water heater using a Shelly Smart Relay Rail Din module, in order to regain control over it. There are three reasons for this: Installing the ...
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 ...
Abstract: At present, the power grid is carrying out the practical work of smart substation On-line monitoring and control function module of relay protection. Compared with traditional substations, ...
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