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I2C Controller PCB [09111256] The I2C Controller board for interfacing with the Accessory Decoders. It's a double-sided PCB with plated through holes, green solder mask and white silkscreen overlay. 57 x 40mm Cat No SC7689. Price: AUD $3.00 1 Log in to purchase In stock: yes (45 available). Estimated dispatch time: 1-3 days Related to: Project: I2C Controller (July 2026 [print issue] [online issue]) Other items relevant to this project: 1.3-inch blue OLED with 4-pin I²C interface ($15.00) 1.3-inch white OLED with 4-pin I²C interface ($15.00) I2C Controller kit ($30.00) I2C Controller PCB pattern (PDF download) [09111256] (Free)