[last update: 2024-08-03]
OLED - Operation
OLED - Programming
XIAO Expansion Board OLED
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- (link to: Adafruit PID: 4440
128 x 32 i2c
- (link to: Generic 0.91 128x32 OLED on Amazon
Available lots of places online...
Has worked for me, replacement for Adafruit module, minus Vin and reset pins.
All libraries and code that I've tried have worked seamlessly.
- Adafruit Specs:
PCB: 20mm x 35mm (0.8" x 1.4")
Display area: 7mm x 25mm
Thickness: 4mm
Diagonal Screen Size:0.91"
Number of Pixels:128 × 32
Color Depth:Monochrome (White)
Module Construction:COG
Module Size (mm):46.30× 11.50 × 1.45
Panel Size (mm):30.00 × 11.50 × 1.45
Active Area (mm):22.384 × 5.584
Pixel Pitch (mm):0.175 × 0.175
Pixel Size (mm):0.159 × 0.159
Duty:1/32
Brightness ( cd/m2):150 (Typ) @ 7.25V
- Current draw depends on how many pixels are lit. Nominally about 15ma for average usage.
- I2C interface with 7-bit address 0x3C
- Tutorial:
(link to:) Adafruit tutorial
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- Operation:
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- Other sources:
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