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Merge pull request #2815 from UltimateCodeWarrior/fix/tbeam-supreme-v3-oled-i2c

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Fix blank OLED on T-Beam Supreme V3 (I2C bus init + 0x3D address)
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Liam Cottle
2026-07-21 19:17:32 +12:00
committed by GitHub
parent d2fd1fdaa6 0de2b4fc5f
commit 7124fa1439
3 changed files with 15 additions and 1 deletions
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src/helpers/ui/SH1106Display.cpp
+4 -1
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@@ -11,7 +11,10 @@ bool SH1106Display::i2c_probe(TwoWire &wire, uint8_t addr)
bool SH1106Display::begin()
{
return display.begin(DISPLAY_ADDRESS, true) && i2c_probe(Wire, DISPLAY_ADDRESS);
// Wire must already be initialised by board.begin() before this is called.
// Boards with non-standard SH1106 addresses should define DISPLAY_ADDRESS
// in their variant/platformio configuration.
return i2c_probe(Wire, DISPLAY_ADDRESS) && display.begin(DISPLAY_ADDRESS, true);
}
void SH1106Display::turnOn()