Note, any Wire object uses one DMA channel for data receiving. Until this moment Wire is able to operate in master mode only. It it not enough for your task please bind custom buffer by means of begin() method. Note, by default Wire uses 32 bytes size received buffer. Default pins can be changed during I2C initialization, but they should be in fast mode pin range: Wire(Wire0) - i2c on SCL(9) and SDA(10) pins (default).Z-Uno boards have the following I2C interfaces: Other pin range can be selected using ZUNO_REMAP_SPINS() This library allows you to communicate with I2C devices. Wire Library Implements I2C on Z-Uno pins 9–16.
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