Cheapest Feature Phone On Amazon 2018

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Display -1.77" bright screen display
100 mAh battery
Dual SIM card slot
Digital Camera 0.3 MP with LED
Expandable Memory Up To 32GB
Multi Language support
500+ Contacts, 100 SMS memory
Multi format support

Others:-
Auto Call Recording
Bluetooth
MP3 Player
FM

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Obstacle Avoiding Robot Car Using Arduino - How To Make a Smart Car

How To Make Smart Robot Car With Arduino Obstacle avoiding robot car using Arduino, how to make a smart car with ultrasonic sensor, servo motor, and L298N motor driver module. Arduino UNO :- https://amzn.to/3MF9jky SG90 Servo Motor And HC-SR04 Ultrasonic Sensor :- https://amzn.to/3EX03pu LM298N motor driver module :- https://amzn.to/3y2tx3Y BO Motor with Wheel Pair :- https://amzn.to/38zFMu6 arduino smart car kit :- https://amzn.to/3kmtZlk Project Code :- #include <Servo.h> //Servo motor library. This is standard library #include <NewPing.h> //Ultrasonic sensor function library. You must install this library //our L298N control pins const int LeftMotorForward = 7; const int LeftMotorBackward = 6; const int RightMotorForward = 4; const int RightMotorBackward = 5; //sensor pins #define trig_pin A1 //analog input 1 #define echo_pin A2 //analog input 2 #define maximum_distance 200 boolean goesForward = ...

How To Make Radar With Arduino UNO Using Ultrasonic Sensor

Creating a radar system with an Arduino UNO and an ultrasonic sensor involves a few straight forward steps. First, you'll need to connect the ultrasonic sensor's trigger pin to one of the Arduino’s digital output pins and the echo pin to a digital input pin. Then, write a simple Arduino sketch to send a pulse from the trigger pin and measure the duration of the pulse received on the echo pin. This duration, proportional to the distance of an object from the sensor, can be calculated using the speed of sound. By continuously taking readings and mapping them to distances, you can plot these measurements to visualize objects in your environment, effectively creating a basic radar system. To display the results, you could use a serial monitor or even integrate an LCD display for real-time feedback. Here is the code below ,- //radar.ino #include <Servo.h> const int trigPin = 9; const int echoPin = 8; long duration; int distance; Servo myServo; void setup() { p...

How To Make Simple Digital Clock Using Arduino UNO Very Easy Step By Step

Digital clock using Arduino UNO , TM1637 4-digit 7 segment display and DS1307 RTC module. Here I show you how to make a simple digital clock using Arduino UNO very easily. TM1637 4-digit 7 segment display :- https://amzn.to/3R3KC3p DS1307 RTC module:- https://amzn.to/3dPDfyc Arduino UNO:- https://amzn.to/3KcNfxR Jumper Wire:- https://amzn.to/3KcBIyH Project Code :- const int clock = 11; const int data = 10; uint8_t digits[] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f }; void setup() { setupInterrupt(); pinMode(clock, OUTPUT); pinMode(data, OUTPUT); start(); writeValue(0x8c); stop(); write(0x00, 0x00, 0x00, 0x00); } byte tcnt2; // set current time by editing the values at line 16 and 17 unsigned long int setMinutes = 9; // set minutes unsigned long int setHours = 9; // set hours unsigned long time = (setMinutes * 60 * 1000) + (setHours * 3600 *10...

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