The ESP32 keeps finding new jobs in my house.

A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...

A relay module is an essential component in electronic systems that enables the control of high-power devices using low-power signals. It acts as an electrical switch, allowing a small current to ...

A relay is a device used to respond to an input signal and provide a connection between two or more devices. It can be used to control AC-powered devices, such as lights, fans, or other household ...

VCC is the power supply pin of the soil moisture sensor that can be connected to 3.3V or 5V of the supply. But do note that the analog output will vary depending on the provided supply voltage. GND is ...

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 ...

What Is an RGB LED Module? An RGB LED module uses a special kind of LED light that can emit three colors: red, green, and blue. However, you can make any color you could possibly think of by changing ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

This project is meant to control electrical appliances like fans and lights. You can configure two Yoda modules, one as receiver and the other as transmitter, to control relays that switch on fans and ...

I’ve been playing with products or boards with AC relays for a while, but I never really cared to check about different types of relay. So far, all platforms I tested came with largish blue or black ...