Buzzer

A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.

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Flower Monitoring using Raspberry Pi & Arduino

“Simple project that uses a Raspberry Pi 3 Model B and an Arduino in order to read data from sensors and display it on a flask website. Imagine what life would be like without our inanimate green friends.. Flowers, beyond …

Home Security Smart Clock IoT Emergency App Notification

“I made a Clock that not only display Time,Date, Temp & Hum but you can send message to the clock via Mobile App (Blynk) from anywhere in the World as long as you are connected to internet. And you can …

Morsibug: The Morse Machine

“Morsibug is an educational scientific project that aims to practice and learn Morse code. Introduction Morsibug is an educational scientific project that aims to practice and learn Morse code so that students (or anyone) can improve some mental skills like …

RFID based Attendance system using Arduino and External EEPROM

“In this post we are going to learn how to build a RFID based attendance system using Arduino development board, RC522 RFID reader module and external EEPROM. We will take a brief look at RC522 RFID module, external EEPROM and …

RoboCat: a Pet Without the Mess

“This will not be a tutorial, just me reflecting on the process and sharing it! Welcome to RoboCat, a cute pet without the mess! The RoboCat responds to any sounds above a certain range and if you press the red …

How to Make a Simplest Variometer for Paragliding

“Variometer is instrument that indicates the changes in the altitude variations. A variometer – also known as a rate of climb and descent indicator (RCDI), or vertical speed indicator (VSI), is one of the basic flight instruments. For human, flying is …

DIY Smart Plant

“Take care of your plant automatically Having plants require to take care of them and give them water everyday. But when you have to work around the clock, you don’t have the time or just can forget to water …

Project  XpandShield

XpandShield

“An Arduino Shield that is compatible with Arduino Leonardo or DUE (and potentially many more!). It started 2020 winter when things start to get cold. How cold? We do not have a good thermometer at home. The one on the …

Arduino Tinfoil Piano

“In this Instructables I will explain how to make this Arduino Tinfoil Piano. Supplies: - Arduino - Breadboard - 10MΩ Resistor x8 - Piezo Buzzer - Jumpers - Double Sided Tape - Tinfoil - Cardboard”

Conundrometer

“A pocket anagram game designed to help improve your word skills. On the Technoblogy website, David Johnson-Davies designed an anagram game called Conundrometer to help his son improve his anagram solving skills. This seemed like a great project to upgrade …