Control a solenoid/relay or whatever your locking system, and change the passcode by the keypad only, no program reupload.
Project tutorial by SurtrTech
Tired of controlling your robot with a joystick? Ever thought of controlling it with your hands?
Project tutorial by Mayoogh Girish
Using opto isolation chip to control neon lamp (nixie tube) by Arduino UNO. My first experiment for the way making nixie clock.
Project tutorial by engineer2you
Fun and easy green robot! Build a sun tracking solar array in under an hour. Bonus: charge your phone with free clean energy!
Project tutorial by FIELDING
Get an Email and Sms on your mobile and sound alert whenever someone enters in your room.
Project tutorial by Rohit Kumar
A simple clock using LED matrix and RTC to display the time, date and temperature.
Project tutorial by LAGSILVA
A 3D-printed, Arduino-controlled DIY robot, designed to be used in children's hospitals, bringing some fun to the kids!
Project tutorial by Igor Fonseca Albuquerque
When drawing on web, the drawing will be sent to XY plotter to re-draw it on bigger screen.
Project tutorial by IoT_lover
This instruction will show you a simple construction to use a controlled laser beam for projecting nice figures on a wall.
Project tutorial by Gerrit van Zeijts
This instruction will guide how to make shadow light box for next Christmas. You can make for yourself to decorate your room, or make it for
This Instruction will show how to make a box which can indicate temperature and humidity with Arduino
This project will show how to display NIXIE tube by Arduino and Optocoupler chip only
Translation of Morse code to text.
Project tutorial by Jalal_Mansoori
This project will show you how to make a Probe using a Datalogging Arduino Shield, some sensors and a RTC Clock.
Project tutorial by MisterBotBreak
An RFID based door lock with cyclops as display. The cyclops eyes will turn red on wrong RFID tag and green on authorized RFID tag.
Project tutorial by Vivek Gupta
Here we are with the classic RFID door lock. It's classic in that whole. We live in the future and take it for granted at this point.
Project tutorial by RobotGeek Projects Team
Robot arm and its controller.
Project tutorial by HomeMadeGarbage
Based on Blockly and BlocklyDuino, here's a multilingual enhanced version with supervision, upload, multi-level blocks, etc.
Project tutorial by LibrEduc
Four cheap SG90 servo-driven robotic arm capable of performing pre-recorded job.
Project tutorial by Mirko Pavleski
This is my project about an Analog Clock on a LED matrix and Arduino.
An indoor thermometer with LCD and "analog" readouts.
Project tutorial by Jonathan Eskow
It is a simple tutorial on how to create little a security device using an Arduino.
Project tutorial by Ivan
Easy peasy reliable tachometer, that you can use to measure the rpm of tools, bicycle wheels, and robots using inexpensive parts.
Project tutorial by PracticeMakesBetter
Temperature monitoring using Arduino and SHT85 with High accuracy.
Project tutorial by RAFI RASHEED T C
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