Adafruit ATSAMD09 Breakout + Seesaw

Adafruit seesaw is a near-universal converter framework which allows you to add add and extend hardware support to any I2C-capable microcontroller or microcomputer. Instead of getting separate I2C GPIO expanders, ADCs, PWM drivers, etc, seesaw can be configured to give a wide range of capabilities. For example, our ATSAMD09 breakout with seesaw gives you:

  • 3 x 12-bit ADC inputs
  • 3 x 8-bit PWM outputs
  • 7 x GPIO with selectable pullup or pulldown
  • 1 x NeoPixel output (up to 340 pixels)
  • 1 x EEPROM with 64 byte of NVM memory (handy for storing small access tokens or MAC addresses)
  • 1 x Interrupt output that can be triggered by any of the accessories
  • 2 x I2C address selection pins
  • 1 x Activity LED

But you can reprogram and reconfigure the chip to have more or less of each peripheral - as long as it fits into the ATSAMD09D14's firmware. For example, there's also a UART converter but it isn't included in the default firmware.

The ATSAMD09 breakout is great for development of seesaw capabilities or you can use it as-is to give your Raspberry Pi or ESP8266 more hardware support. Each breakout comes with the assembled and tested board, as well as some header strips.

Product Video

Quick Spec

  • Uses I2C address 0x49 - can be changed to 0x4A, 0x4B or 0x4C
  • Product Dimensions: 32.0mm x 12.0mm x 3.5mm
  • Product Weight: 1.6g

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Adafruit ATSAMD09 Breakout + Seesaw

  • Brand: Adafruit
  • Product Code: AF3657
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock AS48
    Stellenbosch In Stock Z5140
  • R101.00 (Inc Tax: R116.15)


Tags: adafruit, atsamd09, breakout, seesaw, convertor, extend, i2c