I'm working on an Arduino project and I'd really appreciate your help in reviewing or improving my code. Here's what I'm trying to achieve: Arduino Mega 2560 DS3231 RTC module 1.8" SPI TFT LCD (ST7735 driver, 128x160, using Adafruit_ST7735 library) Tower Pro SG-5010 servo motor Extern…

You forgot to post your code. Also, have you already tested separately all your components?

You need to install the following libraries. RTClib (by Adafruit) Adafruit GFX Library Adafruit ST7735 and ST7789 Library Servo

Please take some time and read the following: [image] How to get the best out of this forum IDE 1.x See also FAQ - Arduino Forum for general rules on forum behavior and etiquette. Hello, Welcome to the Arduino Forum. This guide explains how to get the best out of this f…

Are you working with this person (Mertgulec) [image] İ have rtc , tft lcd 1.8 and servo sg5010 General Guidance i have project, i need the code making lcd 12 hours alarm and when alarm expires servo need to start can someone help me?

#include <Wire.h> #include <RTClib.h> #include <Adafruit_GFX.h> #include <Adafruit_ST7735.h> #include <SPI.h> #include <Servo.h> // TFT ekran pinler #define TFT_CS 53 #define TFT_RST 49 #define TFT_DC 48 Adafruit_ST7735 ekran(TFT_CS, TFT_DC, TFT_RST); RTC_DS3231 rtc; Servo motor; con…

Because some people will create two accounts which is against forum rules.

I didn't know my brother created an account, Im sorry for that.

[image] mertg54: I want to create a 12-hour countdown timer based on the real-time clock (DS3231) You could do a 12 hour countdown timer just using millis() with no real-time clock. Does your countdown have to happen from a particular time of day?

[image] Dave_Lowther: You could do a 12 hour countdown timer just using millis() with no real-time clock. Does your countdown have to happen from a particular time of day? no, the countdown will start as soon as the arduino board is powered. how do I do what you say?

Help Needed: 12-Hour RTC Countdown TFT Display and servo

Projects General Guidance

jim-p May 15, 2025, 11:55am 5

Are you working with this person (Mertgulec)

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Help Needed: 12-Hour RTC Countdown TFT Display and servo

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