Adafruit ADA3657 Adafruit ATSAMD09 Breakout with seesaw

Adafruit-ATSAMD09-Breakout-Board-with-Seesaw-Adafruit-ADA3657-P-Adafruit-seesaw-is-a-near-universal-converter-framework-which-allows-you-to-add-and-extend-hardware-support-to-any-I2C-capable-microcontroller-or-microcomputer-BR-Instead-of-getting-separate-I2C-GPIO-expanders-ADCs-PWM-drivers-etc-seesaw-can-be-configured-to-give-a-wide-range-of-capabilities-P-P-For-example-Adafruits-ATSAMD09-breakout-with-seesaw-gives-you-BR-3-x-12-bit-ADC-inputs-BR-3-x-8-bit-PWM-outputs-BR-7-x-GPI

Price: £ 2.10 from Rapid Online Rapid Electronics Ltd.