Relay
![]() |
Introduction to Relay Logic Control - Symbols, Working and Examples Relay logic control systems are truly a foundation of industrial automation, and electromagnetic relays are necessary to… |
![]() |
Arduino Controlled Musical Fountain using Sound Sensor There are several water fountains which unconditionally sprinkle water with some interesting lighting effects. So I wandered… |
![]() |
Galvanic Isolation – Signal Isolation and Power Isolation An average household microwave oven operating at 110/220V AC can produce upto 2800V inside it, which is… |
![]() |
IoT based Smart Irrigation System using Soil Moisture Sensor and ESP8266 NodeMCU Most of the farmers use large portions of farming land and it becomes very difficult to reach and track each corner of large… |
![]() |
Mains Power Supply Failure Alarm Circuit Although there are inverters and generators to immediately start the AC power supply whenever there is a power cut but sometime… |
![]() |
Arduino Whistle Detector Switch using Sound Sensor As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if… |
![]() |
MQTT Based Raspberry Pi Home Automation: Controlling Raspberry Pi GPIO using MQTT Cloud In previous tutorial we have discussed about MQTT Protocol and installed local MQTT server on our Raspberry Pi for controlling… |
![]() |
IoT controlled Home Automation using Raspberry Pi and Particle Cloud Raspberry Pi is one of the most famous low cost computer and powerful tool for prototyping different types of IoT and embedded… |
![]() |
Control Home Lights with Touch using TTP223 Touch Sensor and Arduino UNO In some applications, user input is required to control the functions of a device. There are different kinds of user input… |
![]() |
Controlling Light using Touch Sensor and 8051 Microcontroller In modern electronics world, touch input is used almost everywhere, whether it can be a mobile phone or an LCD monitor switch.… |