KIT INCLUDES:

• Arduino uno with USB Cable – 1
• Breadboard 400 points – 1
• Jumper wires male to male – 40 PIECES
• Jumper wires male to female – 40 PIECES
• 2 Colour Led Module – 1
• Knock Sensor – 1
• Buzzer – 1

HARDWARE REQUIRED

KIT INCLUDES:

• Arduino uno with USB Cable – 1
• Breadboard 400 points – 1
• Jumper wires male to male – 40 PIECES
• Jumper wires male to female – 40 PIECES
• 2 Colour Led Module – 1
• Knock Sensor – 1
• Buzzer – 1

SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://www.arduino.cc/en/Main/Software

SPECIFICATIONS

KNOCK SENSOR MODULE

The knock sensor module detects a knock or tap. If the knock is hard enough, the sensor switch will briefly close, allowing the knock to be detected by a circuit or device such as an Arduino. A built in 10k resistor on the module can be used as a pull-up or pull-down resistor.

2 COLOUR LED MODULE

PIN DESCRIPTION

KNOCK SENSOR MODULE

2 COLOUR LED MODULE

CIRCUIT DESCRIPTION

• Connect buzzer’s GND to Arduino’s GND Pin.
• Connect buzzer’s positive terminal to arduino’s Digital Pin 7.
• Connect the Signal Pin of Knock sensor with arduino Digital Pin 4 of Arduino uno.
• Connect Positive terminal of Knock sensor with arduino 5v and GND of Knock sensor to GND pin of arduino uno.
• Connect 2 colour Led Module with arduino uno. The first pin of module connects with Digital Pin 5 of arduino and second pin of module connects with Digital Pin 6 of Arduino. And the last pin of module connects to GND of Arduino.
• Last step is to upload the code to arduino uno.

CODE

Click to see code here: https://docs.google.com/document/d/e/2PACX-1vThUb5AVAmXL4DMrhlUWVgXRlhG603wXARfzy7BpzA9_s-PoPrMl4qW3SfGYQAeuHyd5Y4m0thNyAu0/pub

WORKING

Welcome to the Arduino Based Project Electronic Mail Notifier which consists of Knock Sensor and 2 color LED Module. This module consist of a common cathode 3mm red/green LED and a 0Ω resistor, Since operating voltage is 2.0v ~2.5v you may need to use limiting resistors to prevent burnout when connecting to the Arduino. Here we design an circuit which used as an electronic letter box notifier if postman drop a letter in box alarm activated after removing letter reset the alarm.

This module is a knock sensor. When you knock it, it can send a momentary signal. We can combine it with Arduino to make some interesting experiment, e.g. electronic drum.

See the Complete Tutorial: https://www.youtube.com/watch?v=PrAjsoAAmqo