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Code is correct. Please check again

Please check connections again. Also check the code.

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Adjust i2c module potentiometer

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Please check connections again. This will work 💯.....

@@whatsupcreators5442 I tried lot of time coding and circuit but it is not 👨‍💻

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Please do follow complete procedure. Check servo motor connections.....

@@whatsupcreators5442 that's not fully writted in the program show #Inclu servo motor; Plc correct one replied plz

@@whatsupcreators5442 how the key pad library get

Hello, Use Arduino IDE software to upload code to Arduino board. See below link - www.arduino.cc/en/software Code is in description.

#include <Wire.h> #include <LiquidCrystal_I2C.h> int x = 0; int input = A0; int state = 0; LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 for a 16 chars and 2 line display void setup() { lcd.init(); // initialize the lcd // Print a message to the LCD. lcd.init(); lcd.backlight(); lcd.setCursor(0, 0); lcd.print(" Tachometer (WC) "); lcd.setCursor(0, 1); lcd.print(x); lcd.print(" =RPM "); } void loop() { int counter = digitalRead(A0); if (state == 0) { switch (counter) { case 1 : state = 1; lcd.setCursor (0, 1); x = x + 1; lcd.print(x); break; case 0 : state = 0; break; } } if (counter == LOW) { state = 0; } }

It's a decorative item. We used it for decorative purpose.

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@@whatsupcreators5442 Do we need to give any coding in computer for this or just connect as just in the video

Yes you have to upload code via computer to Arduino board.

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@@whatsupcreators5442 Please provide making video link

@@whatsupcreators5442 please give the link of that video.

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Hello, change the password in Code.

i changed the code in this line char* password = "888" but nothing works@@whatsupcreators5442

@@whatsupcreators5442 i changed the code in this line char* password = "888" but nothing works

You can adjust that delay

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Please check connections also adjust I2C module potentiometer.

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Blind can sense touch but there hands are not that capable to go to ground and sense what the obstacle present there.

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