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2026-07-27T01:05:20Z
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73.162.65.105: Migrated reply #4139
2023-11-28T04:56:34Z
<p>Migrated reply #4139</p>
<p><b>New page</b></p><div>Ok, I figured it out. <br />
<br />
--------------------------<br />
Get library + example file<br />
--------------------------<br />
<br />
Arduino IDE >> Tools >> Library Manager >> SSD1306 >> Install<br />
<br />
Arduino IDE >> File >> Examples >> Adafruit SSD1306 >> ssd1306_128x64_i2c<br />
<br />
---------------------<br />
alter definitions:<br />
---------------------<br />
<br />
// on this board the address is not 0xDC, it is 0x3C<br />
#define SCREEN_ADDRESS 0x3C<br />
<br />
--------------------- <br />
alter setup function:<br />
---------------------<br />
<br />
void setup() {<br />
//<br />
// EXISTING_CODE<br />
//<br />
Serial.begin(9600);<br />
//<br />
// NEW_CODE<br />
//<br />
// Wire.h defaults are: SDA: 4, SCL: 5<br />
// but we must reverse it for this board:<br />
// pin 5 SDA (this board)<br />
// pin 4 SCL (this board)<br />
Wire.begin(5, 4);<!-- migrated from Comments; original IP: 73.162.65.105 --></div>
73.162.65.105