SparkFun SAMD21 Dev Breakout - Melopero Elektronik
Type-c Seeeduino Microcontroller Samd21 Cortex M0+ Nano 48mhz Spi I2c Interface For Ide/iot System | Fruugo DE
GitHub - charkster/samd21-i2c_slave_16bit_address: This implements an i2c slave with a register map of 16k bytes in sram (SAMD21 has a total of 32kB ram). A 2 byte write is needed to load