![Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog](http://www.ermicro.com/blog/wp-content/uploads/2009/06/avrspi_01.jpg)
Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog
![Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog](http://www.ermicro.com/blog/wp-content/uploads/2009/06/avrspi_00.jpg)
Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller | ermicroblog
![I2C Communication on the Atmel SAM D21 Xplained Pro Board using the TE TSYS01 Temperature Sensor - YouTube I2C Communication on the Atmel SAM D21 Xplained Pro Board using the TE TSYS01 Temperature Sensor - YouTube](https://i.ytimg.com/vi/akwZxhLTpvo/maxresdefault.jpg)
I2C Communication on the Atmel SAM D21 Xplained Pro Board using the TE TSYS01 Temperature Sensor - YouTube
![@Atmel @AtmelMakes Using ATSAMD21 SERCOM for more SPI, I2C and Serial ports #deskofladyada @adafrui - YouTube @Atmel @AtmelMakes Using ATSAMD21 SERCOM for more SPI, I2C and Serial ports #deskofladyada @adafrui - YouTube](https://i.ytimg.com/vi/L2edpBP3AWE/mqdefault.jpg)
@Atmel @AtmelMakes Using ATSAMD21 SERCOM for more SPI, I2C and Serial ports #deskofladyada @adafrui - YouTube
![Application migration from 8 bit AVR to 32 bit SAM D21 | Microchip MPLAB Harmony Quick Documentation help Application migration from 8 bit AVR to 32 bit SAM D21 | Microchip MPLAB Harmony Quick Documentation help](https://microchip-mplab-harmony.github.io/quick_docs/source/migration/atmega4809_to_samd21_migration/images/hardware.png)