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“Arduino Piano Keyboard interfacing with LCD has 2 mode. The Manual Mode & The presets mode. I used 7 Pushbutton for a simple 7 keys piano and 1 button for Setup Mode to switch to 7 presets songs. . Preset mode songs …

“Hello! I am going to teach you how to make a cool, easy to make key card or key fob scanner! If you have a RFID MFRC522 module, leds, resistors, wires, a arduino uno, a breadboard, and a 9v battery …

“While building microcontroller based projects, there are occasions where communication will be required between two devices, either in a duplex/transceiver based operation (where both devices can transmit and receive at the same time) or in a simplex-based operation where …

“Nowadays, people have smartphones with them all the time. So it makes sense to use these to control home appliances. Presented here is a home automation system using a simple Android app, which you can use to control electrical appliances …

“The question you are probably asking is “why are you making another remote thermostat?” The answer to that question is, I had to, and the market smart thermostats are too expensive. Fair warning, this is “proof-of-concept” build that would require …

“The Home System 3000 is a device that uses an Arduino, a temperature sensor, a piezo buzzer, an optical detector/phototransistor, and a servo to display ways to improve home energy efficiency.”

“High Voltage Warning: Before we begin I would like to caution that this project will involve high voltage and proper precautions should be exercised during these steps. Make sure all sources of house 115v AC voltage is disabled at the …

“This is a tutorial on how to make a basic wall-avoiding robot. This project will require a few components and a bit of dedication and time. It would help if you have a small amount of knowledge on electronics but …

“A compact air quality, temperature and humidity monitor enclosed in a small wooden chest, with a four-row LCD display. A project completed to measure the air condition in a diesel polluted building. Then the final design enclosed in a wooden …

“I made dragonfly. The dragonfly swings head with a gesture sensor and a servo motor.”