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Simple Arduino I2C scanner as described at http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/

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use the Wire library instead of twi; the Zero doesn't have twi definitions

The Arduino Zero doesn't have twi.h defined. I initially wrote an #ifdef wrapper for the Zero case, but I realized that the return codes for the endTransmission and twi_writeTo are...

dhiltonp avatar dhiltonp

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Simple Arduino I2C scanner as described at http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/

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