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could two subsystems (raspberry pi and arduino uno) share pins? - General Electronics - Arduino Forum
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Troubleshoot tips please - Uno r3 with m5stack env iii connected to the i2c duplicate pins.. I2c scanner (ide 2.0.2>arduino uno>wire>i2c scanner) not reading the sensor addresses : r/arduino
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KEYESTUDIO 5V ATmega328P MCU Breakout Microcontroller Development Board + USB Cable Starter Kit for Arduino for Uno R3 | Walmart Canada
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