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3 V or 5 V
ATmega328P datasheet
This electrical activity can be charted as an ECG and output as an analog reading
USB power Interface x1
2 Adapter Board (D) for Raspberry Pi 5
1.54inch OLED Display Module, 128×64 Resolution, SPI / I2C Communication Color:White 3 V or 5 VDescription 1. 54inch OLED Display Module, 12864 Resolution, SPI I2C Communication Features Onboard voltage translator, compatible with 3. 3V 5V MCUs Adopts 4 wire SPI and I2C interfaces, better compatibility, fast data rate Comes with online development resources (examples for Raspberry Pi Arduino STM32 ESP32 Jetson Nano) Documentation Wiki Schematic diagram 1. 54inch OLED Module 3D Drawing 1. 54inch OLED Module 2D Drawing_DXF 1. 54inch OLED Module
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