Monochrome 0.96" 128x64 OLED Graphic Display - STEMMA QT ESP32/ESP8281 The connector of wires are

The connector of wires are special designed for DFRobot 3Pin analog sensor

All the pins of Pi are left unoccupied

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The built-in dual rechargeable lithium batteries can last 10 hours for one full charge

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Monochrome 0.96" 128x64 OLED Graphic Display - STEMMA QT ESP32/ESP8281 The connector of wires areThese displays are small, only about 1" diagonal, but very readable due to the high contrast of an OLED display. This display is made of 128x64 individual white OLED pixels, each one is turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; This breakout can be used with either an SPI or I2C interface