RGB Pov Clock

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RGB Pov Clock on: March 19, 2021, 04:02:16 PM
Hello, I have an RGB POV clock made with arduino nano it has 5 led rgbs. There is no RTC support, can you help me with connecting and using RTC so it doesn't reset when I turn it off?



Re: RGB Pov Clock Reply #1 on: March 20, 2021, 09:02:36 AM
Hi there. For example you can use the DS3231 IC as I've done in this schematic: https://electronoobs.com/eng_arduino_tut61_sch1.php But in my case, as you can see, the VBAT pin is connected to the same VCC. Any time the VBAT pin is disconnected from a battery, the data will reset. So just make sure to add a small cell battery connected tpo VBAT and GND of the IC. Or if you have space, just sue directly a RTC module that already has the battery.



Re: RGB Pov Clock Reply #2 on: December 14, 2022, 04:19:32 AM
To use the IC, a tiny cell battery must be attached to pins VBAT and GND. https://electronoobs.io/forum/geometry dash subzero




Re: RGB Pov Clock Reply #3 on: January 31, 2023, 04:09:53 AM
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Re: RGB Pov Clock Reply #4 on: February 20, 2023, 05:30:07 AM
Hi there. For example you can use the DS3231 IC as I've done in this schematic: https://electronoobs.com/eng_arduino_tut61_sch1.php heardle But in my case, as you can see, the VBAT pin is connected to the same VCC. Any time the VBAT pin is disconnected from a battery, the data will reset. So just make sure to add a small cell battery connected tpo VBAT and GND of the IC. Or if you have space, just sue directly a RTC module that already has the battery.
I added a small battery connected to the IC's VBAT and GND and as expected it didn't reset when turned off



Re: RGB Pov Clock Reply #5 on: March 27, 2023, 09:36:40 AM
All power supplies and all modules must share a standard line, denoted as ground, duck life , or Gnd. If a signal is not received properly, this often indicates a missing standard line between the controller and the module.



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Re: RGB Pov Clock Reply #8 on: November 17, 2023, 10:40:44 AM
Get an I2C RTC module, something like the dino game DS3231 RTC.



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