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power supplies
I2C bus communication
then wire SCK
Screw terminals for Arduino pins: Easier wiring for bare leads
DFRobot Gravity IO Expansion Shield V7.1 - Arduino UNO Shield learner power suppliesBuild Faster with the Expansion Shield IO for Arduino V7. 1: Gravity Expansion Shield IO for Arduino V7. 1: Gravity Expansion Shield IO for Arduino V7. 1: Gravity makes it easier to connect sensors, servos, wireless modules, and common interfaces without messy jumper wiring. It is useful when you want a cleaner prototyping layout and faster access to power, signal, and common communication ports. Important: Use the official DFRobot links below for
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