Arduino Gesture Controlled Robot using Android

Lock using 4 Push button switch with arduino

Introduction : A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams , by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an electronic or mechanical keypad. Here we will be using arduino uno along with em lock to make door lock with password. Code of the project :- const int buttonPin1 = 1; const int buttonPin4 = 4; const int buttonPin3 = 3; const int buttonPin2 = 2; // the pin that the pushbutton is attached to const int correctLedPin = 7; // the pin that the LED is attached to const int wrongLedPin = 6; const int motorPin = 11;// the pin that the LED is attached to // variables that are changed by the program int buttonPushCounter = 0; // co...

Voice Recording Module ISD1820 with Arduino

1 Introduction Voice Record Module is base on ISD1820, which a multiple‐message record/playback device. It can offers true single‐chip voice recording, no‐volatile storage, and playback capability for 8 to 20 seconds. The sample is 3.2k and the total 20s for the Recorder. This module use is very easy which you could direct control by push button on board or by Microcontroller such as Arduino, STM32, ChipKit etc. Frome these, you can easy control record , playback and repeat and so on. 2 Feature - Push‐button interface, playback can be edge or level activated - Automatic power‐dwon mode - On‐chip 8Ω speaker driver - Signal 3V Power Supply - Can be controlled both manually or by MCU - Sample rate and duration changable by replacing a single resistor - Record up to 20 seconds of audio - Dimensions: 37 x 54 mm If you want change record duration, an external resistor is necessary to select the record duration and sampling frequency, which can range from ...

Home Automation Using Arduino (Relay Module)

Inroduction to Home Automation Home automation or domotics is building automation for a home, called a smart home or smart house . It involves the control and automation of lighting, heating (such as smart thermostats ), ventilation, air conditioning ( HVAC ), and security, as well as home appliances such as washer/dryers, ovens or refrigerators/freezers. Wi-Fi is often used for remote monitoring and control. Home devices, when remotely monitored and controlled via the Internet, are an important constituent of the Internet of Things . Modern systems generally consist of switches and sensors connected to a central hub sometimes called a "gateway" from which the system is controlled with a user interface that is interacted either with a wall-mounted terminal, mobile phone software, tablet computer or a web interface, often but not always via Internet cloud services. ...

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