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Prevented back-powering to save 2.8 mA for ST7735Display

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Kevin Le
2026-08-14 23:42:25 +07:00
parent 687bac55eb
commit 6e4e6f16a6
1 changed files with 9 additions and 0 deletions
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src/helpers/ui/ST7735Display.cpp
+9
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@@ -528,6 +528,15 @@ void ST7735Display::turnOff() {
//digitalWrite(PIN_TFT_RST, LOW);
// Now turn off the backlight
digitalWrite(PIN_TFT_LEDA_CTL, !PIN_TFT_LEDA_CTL_ACTIVE);
// Prevent back-powering to save 2.8 mA
pinMode(PIN_TFT_CS, INPUT);
pinMode(PIN_TFT_DC, INPUT);
pinMode(PIN_TFT_SDA, INPUT);
pinMode(PIN_TFT_SCL, INPUT);
pinMode(PIN_TFT_RST, INPUT);
pinMode(PIN_TFT_LEDA_CTL, INPUT);
_isOn = false;
if (_peripher_power) _peripher_power->release();