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allows the Leonardo to be cheaper and simpler to use
4GHz ISM bands
Connector ①: 40PIN SPI+RGB Connector ②: 18PIN PI PIN NO
This is an OLED display HAT for Raspberry Pi
1.54inch e-Paper display (G), e-ink display, 200x200, Red/Yellow/Black/White, SPI Interface ECG Sensor allows the Leonardo to beDescription 1. 54inch e Paper display (G), e ink display, 200x200, Red Yellow Black White, SPI Interface Features No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing Comes with online development resources and manual (driver board circuit diagram, examples for Raspberry Pi Jetson Nano Arduino) e Paper driver board: Adapting SPI interface for
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