Product Information
Name: 0.91 OLED Display 4PIN
Product size: 0.91".
Resolution: 128*32.
Operating voltage: 3.3V-5V.
Control chip: SSD1306.
Communication method: IIC.
Pin definition:SDA-data line SCL-clock line VCC-power positive 3.3V-5V GND-power ground
Name: 0.96 OLED Display 4PIN
High resolution: 128*64 (same resolution as 12864LCD, but this OLED screen has more pixels per unit area)
Super wide viewing angle: greater than 160°
Ultra-low power consumption: 0.06W for normal display
Wide power supply range: DC 3.3V-5V
Industrial grade: working temperature range -30℃ a 70℃
Small size: 27mm*27mm*2mm
Communication mode: IIC
Brightness and contrast can be controlled by program command, service life not less than 16000 hours
0LED screen internal driver chip: SSD1306
Pin definition: GND-Power negative VCC-Power positive 3.3V-5V SCL-Clock signal line. SDA-Bidirectional data line.
Name: 0.96 OLED Display 7PIN
High resolution: 128*64 (same resolution as 12864LCD, but this OLED screen has more pixel dots per unit area)
Super wide viewing angle: greater than 160°
Ultra-low power consumption: 0.06W for normal display
Wide power supply range: DC 3.3V-5V
Industrial grade: working temperature range 30℃ to 70℃
Small size: 27mm*27mm*2mm
Communication mode: IIC, SPI
0LED screen internal driver chip: SSD1306
Pin definition:CS-Chip select signal DC-Data or command switch RES-Reset. D1-SPI interface for SPI data line.
D0-SPI interface for SPI clock line VCC-Power supply positive 3.3V-5V. GND-Power supply ground.
Interface definition:
VCC-IN power positive (3.3V to 5V), GND power negative
D0 (SPI clock line for SPI interface, IIC clock line for IIC connection)
D1 (SPI data line for SPI interface, IIC data line for IIC interface)
RES (OLED reset, OLED needs to do a reset after power on)
DC (SPI data/command selection pin, used to set IIC address when IIC interface, connected to
DC (SPI data/command selection pin, used to set the IIC address when the IIC interface, connect 4.7K resistor pull-up to VCC an IN when the IC address is 0x7a, connect 4.7K resistor pull-down to GND when the IIC address is 0x78) When modifying the IIC interface, please refer to the data IIC interface 4-pin OLED module schematic external hardware reset circuit.
Interface configuration method:
4-wire SPI interface soldering: R3, R4
3-wire SPI interface soldering: R2,R3
IIC interface soldering: R1,R4,R6,R7,R8
R8 can not be soldered, the official manual requires soldering
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