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.
Product video:
Features:
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
Please note: The boards do not come with a bootloader. If you want to do development on seesaw (e.g. changing the configuration) you'll need to pick up a J-Link and we recommend a SWD adapter breakout. Adafruit doesn't provide any support for custom builds of seesaw.
Technical Details:
Uses I2C address 0x49 - can be changed to 0x4A, 0x4B or 0x4C
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