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Extension board, OLED compatible. Compatible with DIY series.
Compatible with the pin of Arduino Uno;
Uniform Microduino interface standard and rich peripheral modules, capable of having a fast and flexible connection and extension with other modules and sensors meeting Microduino interface standard;
Onboard analog button and sensor interface;
MicroUSB power supply;
3.3V constant voltage;
Select the 5V or 3.3V power via PWR jumper(The default voltage is 3.3V);
Onboard power supply indicator(5V and PWR).
Onboard reset button;
The fixed OLED base;
Two serial ports including (RX0, TX0)and (D2, D3);
Two IIC interfaces;
Two analog button interfaces connected to A7;
The sensor interface can be selected and combined through jumpers:
PWR, A3, GND, PWR or PWR, A3, GND, GND or PWR, D6, GND, PWR or PWR, D6, GND,GND (Users can make the connection as they like).
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