Arduino Uno R4 RTC - accuracy check!
I test Real Time Clock RTC function: with and without the button battery to check how RTC works
In addition, I check accuracy of RTC Arduino UNO, then I found that the RTC was not so accurately
---------------------------------Part list -------------------------------
1. Arduino UNO R4 Wifi https://amzn.to/3NNAtsN
2. USB-C cable https://amzn.to/3tBUzPB
3. Button Battery 3V https://amzn.to/3RM0LN9
----------------------Other part for making video--------------------
1. Sony A6000 https://amzn.to/3u0EGSH
2. Light box https://amzn.to/470Tmjw
3. Laptop with Windows 11 https://amzn.to/3GXDSBa