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Arduino and Multi Function Shield: Pots,LEDs and buzzers

HELLO THERE!!!!!    How are you guys? I hope everyone is fine and in good mood always. This week, I continue my tinkerings with the Multi Function Shield. In this experiment, I used the potentiometer in the shield to control the LEDs in the shield. Without further wasting time, let's jump in straight to the experiment!! HARDWARE 1.ARDUINO UNO  2.MULTI-FUNCTION SHIELD SOFTWARE: 1. ARDUINO IDE CIRCUIT ASSEMBLY    The circuit assembly is fairly simple. Just attach the multi function shield on top of Arduino properly. Please attach the shield properly as failure to do so would cause the shield  not to function as intended. CODING THE ARDUINO: Let's refer to the multi-function shield image below: Referring to the image of the shield, it can be seen that the potentiometer (blue object near buttons) is connected to pin A0 (analog 0)     int pot = A0; //declaring the pot ...
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Arduino and Keyes KY-017 Mercury Tilt Sensor

HELLO THERE!!!     How are you guys? I hope everyone is fine and good as always. I am back in tinkering after a few months of hiatus( busy stuff :) ). So, today i would like to share with you guys on KY-017, which is a Keyes Mercury Tilt Sensor. KY-017 Sensor KY-017      The picture above shows the KY-017 Sensor from Keyes. It has 3 pins, A ground, A vcc, and A signal pin. If you look closely, there is a mercury ball inside the bulb like object. The mercury ball acts like a switch for this sensor. KY-017 Working Procedure: 1. When the sensor is not tilted, the mercury ball will be at the bottom of the bulb. This will complete the circuit and turns on the LED of the sensor. The output that is sent through the signal pin will be LOW. 2.When the sensor is tilted, the mercury ball will be at the top of the bulb(near at the sharper end). This will complete break circuit and turns off the LED of the sensor. The output that is sent through t...
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Arduino Systems: Automatic Plant Watering System

HELLO THERE!!!   How are you, guys? I hope everyone is fine and in good condition always. Alright, this week, I wanted to share with you guys on a system that I made over the weekend. It is called the Automatic Plant Watering System. Without wasting more time, lets see the hardware and software needed in making this system. HARDWARE: 1. Arduino UNO 2.DC Water pump.(My water pump is exactly as below) 3.A relay(single channel) 4. A soil moisture sensor SOFTWARE: 1. Arduino UNO  Ok now that all the items had been listed lets see the overall assembly of the circuit. I am sorry as my assembly of the circuit is a bit messy: Don't worry... I will do my best to explain the circuit.. I'll divide the system into two circuits: 1. The soil moisture part The soil moisture sensor usually comes with 4 pins (VCC,GND,A0(analog pin),D0(digital pin)). In this system I had used the VCC,GND, and A0 pins: From soil moisture to Arduino: VCC-->5V GND-->...
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