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@@ -695,13 +695,14 @@ static void handleOtaStream() {
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//=============================================================
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void setup() {
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Wire.begin(I2C_SDA, I2C_SCL);
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- Wire.setClock(400000);
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+ Wire.setClock(100000); // PCF8574 backpacks are often 100 kHz only — use safe speed for LCD init
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statusLed.begin();
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statusLed.setBrightness(NEOPIXEL_BRIGHT);
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statusLed.show();
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s_lcdOk = (lcd.begin(20, 4) == 0);
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+ Wire.setClock(400000); // restore for DSP / EEPROM
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if (s_lcdOk) {
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lcd.display(); lcd.backlight();
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lcd.setCursor(2, 0); lcd.print("Modulos AudioDSP"); delay(1000);
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