the mpr121 datasheet specified max i2c frequency to 400khz

2023-07-19 13:24:33 +08:00 · 2023-07-19 13:24:33 +08:00 · 0dd1ebe752
parent 0f833603b6
commit 0dd1ebe752
1 changed files with 1 additions and 1 deletions
--- a/maimaiTouchControl.ino
+++ b/maimaiTouchControl.ino
@ -30,7 +30,7 @@ void setup()
  mpr[1].begin(0x5B, &Wire);
  mpr[2].begin(0x5C, &Wire);
  mpr[3].begin(0x5D, &Wire);
-  Wire.setClock(800000);
+  Wire.setClock(400000);

  // config conversion