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How to measure the e-paper display refresh time accurately

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  • Time of issue:2022-10-21 14:39
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(Summary description)

How to measure the e-paper display refresh time accurately

(Summary description)

  • Categories:Sharing
  • Author:
  • Origin:
  • Time of issue:2022-10-21 14:39
  • Views:
Information

1. A simple method measuring the time E-paper display takes to perform a refresh

(1) A timer

(2) Power on the E-paper controller and start timing when E-paper display begins refresh.

(3) When the refreshing screen stabilizes (no more flickering), stop timing.

Note: The refresh time begins at the moment screen flickers and it stops flickering and stabilizes.

 

2. A more accurate method to measure the time E-paper display takes to perform a fresh.

(1) Include the Serial Print Function in the program, see blow:

(2) Download the program to the controller and use UART Assist to monitor the E-paper display refresh.

(3) The latter time UART Assist receiving data deduct the former time and you get the exact refresh time T. T=62.270-40.900=21.37s

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Time of issue:2020-04-27 00:00:00

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Time of issue:2020-04-27 00:00:00
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Time of issue:2020-04-27 00:00:00

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