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MCU wake up by UART or Interrupt
Pressing the RST button or pulling the RST line
It can be used to route this signal to the RGB LED
By changing states of the six control pins
DFRobot Gravity IO Expansion Shield for LattePanda RAK WisBlock MCU wake up by UARTDFRobot Gravity IO Expansion Shield for LattePanda This Gravity I O expansion shield, which is made for LattePanda, breakouts all GPIO pins to make it compatible with standard Arduino device and no interruption with other ports on LattePanda. Each pin has VCC and GND power port, compatible with Gravity 3Pin Color coded interface, supports hundreds of sensors and modules. Gravity IO Expansion Shield for LattePanda Pinout And this shield also adds a new
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