Solenoid

A solenoid is a type of electromagnet, the purpose of which is to generate a controlled magnetic field through a coil wound into a tightly packed helix. The term was invented in 1823 by André-Marie Ampère to designate a helical coil.

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A Blockchain-Powered Smart-Lock

“Securely open/close your front door with a smart contract Story Ever wondered why many consider blockchain to be a game-changer in the IoT space? This example describes how to build a very simple smart-lock powered by a Blockchain smart …

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 …

DIY RFID DOOR LOCK System

“How To Make Arduino Based Rfid Door Lock The arduino based RFID door lock system is secure and responsive as compared to other systems. With the use of arduino, it becomes much easy to design. Program a code and upload …

Electronic Puzzle Box With Secret Compartment

“The goal of this instructable is to create a simple lockable box that can be opened by solving a puzzle. The puzzle must be interesting, easy to understand and it must be possible to solve it with the help of …

MIDI Solenoid Drum Kit

“Build a MIDI drum kit using solenoids and CircuitPython! 3D print parts to create a solenoid driven mallet to trigger snare drums, cymbals and much more! Use the Adafruit Feather M4 and ULN2803A darlington driver to create your own custom …

The Memento Game

“You probably know those games where the player memorizes a sequence of colors and sounds and has to play them back, right? The Memento Game adds prizes for extra fun! Once a player hits a predetermined score, they win the …

Electromagnetic Lock With Air Monitoring

“I’ve had this issue for a while where people seemingly don’t value my privacy as much as i do myself and just barge into my room whenever they feel like it without any warning. So since i had …

2.7A PWM Valve/Solenoid Driver Arduino Nano Shield

“This Arduino shield helps to drive various loads like a solenoid, valve, motor, inductive actuator, heater, and bulb. A wide supply range 8V-60V and a load current of 2.7A allows it to be used with a variety of actuators …

Project  MenoMassager

MenoMassager

“A lowcost multi-pressure, multi-speed massager with timer for Joint and muscular pain. Introduction Joint pain and muscle pain are experienced by many women during menopause. I have attempted to build a device that provides relief and helps in reducing joint …

Raspberry Pi Bellagio Water Show

“Build your own mini Bellagio water show using a Raspberry Pi. You want to dominate the next Las-Vegas-themed parade float competition in your local town? I did!…by building a miniature version of the famed Bellagio water show to be …