• LIGHT linked with GND, the backlight to be lit.
• Need you to compress the screen and PCB tighter, might got loose after the delivery.
• Use a 3.3V controller, otherwise the display could be quite vague.
• LCD5110 Module:
• Power supply voltage: 2.7V-3.3V,5V is OK,but part of the screen becomes black when tested
• Data interface level: 2.7-5V
• Backlight power supply voltage: highest 3.3V
• Module size: 43.6mm x 43.1mm(width X height)
• Installation diameter: 2mm
• Backlight: White 

• RST--------- reset?
• CE------------chip selection?
• DC-----------data/commands choice?
• DIN-----------serial data line?
• CLK------------serial Clock Spee
• 3.3V------------VCC?
• LIGHT--------- backlight control terminal? 

GND-----------power negative

• LIGHT linked with GND, the backlight to be lit.
• Need you to compress the screen and PCB tighter, might got loose after the delivery.
• Use a 3.3V controller, otherwise the display could be quite vague. 

• LCD5110 Module:
• Power supply voltage: 2.7V-3.3V,5V is OK,but part of the screen becomes black when tested
• Data interface level: 2.7-5V
• Backlight power supply voltage: highest 3.3V
• Module size: 43.6mm x 43.1mm(width X height)
• Installation diameter: 2mm 

• Backlight: White
• RST--------- reset?
• CE------------chip selection?
• DC-----------data/commands choice?
• DIN-----------serial data line?
• CLK------------serial Clock Spee
• 3.3V------------VCC?
• LIGHT--------- backlight control terminal?

GND-----------power negative