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I2C Controller kit

This kit for the I2C Controller, which can be used with either Accessory Decoder, includes the PCB and all non-optional parts.

See the link immediately below for a complete list of parts that come in the kit. The photo shows the assembled kit.

Cat No SC7690. Price: AUD $30.00 ¹

In stock:

yes (29 available). Estimated dispatch time: 1-3 days

Related to: Project: I2C Controller (July 2026 [print issue] [online issue])

Other items relevant to this project:

I2C Controller PCB [09111256] ($3.00)
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 PCB pattern (PDF download) [09111256] (Free)

Kit parts list

	4 × 4-pin tactile switch, black 6×6x5mm (1mm actuator)
	1 × 1.3-inch white OLED with 4-pin I²C interface
	1 × I2C Controller PCB [09111256]

Connectors

	1 × 4-way right-angle polarised header
	1 × 4-way vertical polarised header with matching plug & pins (2.54mm pitch)

Semiconductors

	1 × 3mm green diffused LED
	1 × 3mm red/green bicolour diffused LED (two-lead)
	1 × PCF8574(A) I/O expander, wide SOIC-16 IC

SMD Capacitors

1 × 100nF 50V M3216/1206 X7R

SMD Resistors

3 × 1kΩ ±1% M3216/1206 ¼W

Cable & Hardware

1 × 10cm length of 10-way ribbon cable

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