0.91 inch 128*32 Mono OLED Screen Module CH1115 I2C Interface 14 Pin White Color Monochrome PMOLED Display Panel. TX091PM-2832TSWFG04-H15 Folding Type OEL Display Module with Pixel Number: 128 x 32, Monochrome, COG Package.

Refer to the Technical Manual for the SSD1306

To protect OEL panel and extend its lifetime, follow these power up/down sequences:

2.1 Power up Sequence: Power up VDD Send Display off command Initialization Clear Screen Power up VCC/VBAT Delay 100ms (When VCC is stable) Send Display on command
2.2 Power down Sequence: Send Display off command Power down VCC/VBAT Delay 100ms (When VCC/VBAT reaches 0 and panel completely discharges) Power down VDD

When RES# input is low, the chip is initialized with:

• Display is OFF
• 128x64 Display Mode
• Normal segment and display data column and row address mapping
• Shift register data clear in serial interface
• Display start line set at display RAM address 0
• Column address counter set at 0
• Normal scan direction of the COM outputs
• Contrast control register set at 7Fh
• Normal display mode (Equivalent to A4h command)

1. Fixed patterns may cause after-images; normal state can be restored after unused period
2. Avoid touching pins, electrodes, and FPC patterns to prevent static electricity damage
3. Shield the OEL driver from light during operation and inspection to prevent malfunction
4. The OEL display module stores operation state data by commands