WO1602G module equivalent, display module.
DC/DC voltage converter. Connect a capacitor between thisterminal and VIN when the built-in booster is used. For voltage booster circuit(VDD-VSS) External capacitor about 0.1u~4.7uf Power supply (+3.0 / 5.0v) GND (In I2C interface DB7 (SDA) is input .
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