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Distance Measurement Using Ultrasonic Waves KIT

Distance Measurement Using Ultrasonic Waves KIT
KIT Contents ATmega8 Project::Distance Measurement Using Ultrasonic Waves ATmega8 Project::Distance Measurement Using Ultrasonic Waves ATmega8 Project::Distance Measurement Using Ultrasonic Waves ATmega8 Project::Distance Measurement Using Ultrasonic Waves ATmega8 Project::Distance Measurement Using Ultrasonic Waves Parts of the board Connecting Sensor Demo HC-SR04
SKU SKU177271  
Weight 240.00 grams
 
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c source code for hc-sr04 hc-sr04 atmega8 schematic

 

info icon This listing is for Un-assembled KIT Only, you have to solder all components your self.

This MINI AVR Project demonstrate how the distance to an obstacle can be measured using ultrasonic waves. It makes use of techniques to precisely measure the time it takes for the sound wave (in ultrasonic wavelength) to reach the obstacle and then bounce and come back to the receiver. After the time measurement is complete, a small calculation is done to get the distance of obstacle from the sensor.

To show the calculated distance, a 16x2 Alphanumeric LCD Module is used. The main microcontroller used is ATmega8.

LCD Interface

LCD can be easily connect on the 16 pin female connecter provided on the board.

NOTE: If no text is visible on LCD then adjust the LCD Contrast Adj. preset with the help of a screwdriver.

Parts of the board

The images below shows the main parts of the board.

parts of board
Fig. Parts of the board

Usage

  • Install the sensor (HC-SR04) as shown on the image below. NOTE: Sensor is included in the package.
  • Power up the board using a 12V 1 A Adapter (NOT included with package!)
  • Switch on the board.
  • Now you can bring any obstacle in front of the sensor, its distance in CM will be shown on the LCD.
Installing HC-SR04
Fig. Installing the sensor

 

HC-SR04 ATmega8 Demo
Fig. HC-SR04 ATmega8 Interface Demo

 

Assembly Guide Video

Package Contents

electronic components
avr project pcb
atmega8
All Components
Printed Circuit Board
Programmed Microcontroller
     
16x2 LCD Module
hc-sr04
 
16x2 LCD Module
Sensor
 

 

Schematic

schematic hc-sr04 atmega8
Fig. HC-SR04 ATmega8 Interface Demo

Bill of Materials

S.No. Reference Value Part Qty
1 R1 100 Ohms Resistor 1/4 watt 1
2 R2 330 Ohms Resistor 1/4 watt 1
3 R3 4.7K Ohms Resistor 1/4 watt 1
4 C1 470uF Electrolytic Capacitor 25V 1
5

C2,C5,C6,C7

0.1uF(100nF) Ceramic disk type capacitor 4
6 C3,C4 22pF Ceramic disk type capacitor 2
7 D1 1N4007 Diode 1
8 D2 - 5mm LED - Round - RED 1
9 U1 ATmega8 ATmega8 MCU 1
10 U2 7805 5V Voltage Regulator 1
11 L1 10uH Inductor 1
12 RV1 10K Ohms Preset (Variable Resistor) 1
13 SW1 - On/Off Switch 1
14 X1 - DC Socket 1
15 X3 16MHz Crystal 1
16 X4   HC-SR04 Sensor 1
17 - - 28 PIN IC Socket 1
18 - - 16 PIN Female Connecter 1
19 - - 4 PIN Female Connecter 1
20 - - 16 PIN Male Connecter 1
21 DISP1 - LCD Module 16x2 GREEN B/L 1

Downloads

c source code for hc-sr04 hc-sr04 atmega8 schematic
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