Content for Relay

DIY Automatic Musical Christmas Lights (MSGEQ7 + Arduino)

“So every year I say am going to do this and never get around to doing it because I procrastinate a lot. 2020 is a year of change so I say this is the year to do it. So hope …

Circadia - sunrise lamp

“I love sleeping. More to the point, usually, I really don’t love waking up. I drag myself around and it usually takes until I arrive at work before I am really what you might call awake. Alarm clocks are …

Analog Light Sensor + Light Sensitive Switch using OPT101

“You may have seen many light-sensitive switch circuits based on an LDR sensor. Usually, the sensitivity of the LDR based light sensor is poor. We wanted a very sensitive light switch hence we decided to make a circuit based on …

Automatic Watering System for My Plants

“When the soil is dry, Arduino will command the water pump to run. Our plant is absolutely cheerful anytime! This is my first project. I love plants, so I created an automatic watering system. Our system measures the soil moisture …

Guitar Looper Fade Out and Tremolo… for Free!

“Once upon a time, when electric guitar had to sound like a guitar and every deviation was called unwanted distortion, there were no guitar effects except… your friend and the potentiometer, working together! Practically while you were playing, your friend …

My not so stupid home

“Control and read light, temperature, humidity, feeder and water pump for cat with SD card, HTTP server on NodeMcu and Android client app. Summary I recently bought NodeMcu Lua ESP8266 controller and decided to start some home automation (or home …

Home Automation Using Arduino and WiFi Module ESP01 | Arduino ESP8266 Control Relay

“In this IoT project, I have shown how to make IoT based Home Automation using Arduino and WiFi module ESP01 to control relays from the manual switch, smartphone, IR remote. This smart relay also can sense the room temperature and …

Home Automation System

“This Home Automation System is design to control the speed of fan to cool the light bulb and perform several different functions. This system is designed to control the speed of the fan to cool a light bulb. We decided …

IoT Based Smart Irrigation System Using NodeMCU ESP8266 & Adafruit IO

“Farmers across the world face a lot of difficulties in growing crops because of unpredictable weather conditions and shortage of water. The traditional irrigation system uses a large amount of water and supplies uneven water to corps. This affects the …

Home Automation with NodeMCU LDR Temperature Control Relay

“In Manual Mode, control the relay module from Touch Switch & Blynk App. In Auto Mode, DHT11 & LDR will control the Relays Automatically. In this IoT based home automation project, I have made home automation using Blynk & NodeMCU with Touch Sensor …