I replied - did that get lost??
It's a blue/yellow display.
On arrival there's a demo program stored. Running it shows blue and yellow. My example program shows white only.
Changing where it says something like set text.color = WHITE to set text.color = BLUE makes no difference.

Ha! Right display, wrong driver then. As I said, when you first power the thing up, you get Hello World and some whizzy wotsits in blue and yellow, but when I use the only driver software/example I've found so far (as above), which contains text.color= WHITE (or something very like it) I get white (...

Apologies if this is the wrong section, wrong forum,..... I'm trying the display on a 0.96 Inch ESP32 ESP-32 OLED Display 18650 Lithium Battery WiFi Bluetooth Shield Development Board CP2102 Module ssd1306 On arrival there's a demo blue/yellow display. I can program it with text/graphics, but only W...