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microDCC Decoder kit

This kit includes the microDCC Decoder PCB and all the parts that mount on it. See the link below for a full list of parts included.

Note: the photo shows the assembled kit.

Sound:

Cat No SC7617. Price: AUD $25.00 ¹

In stock:

yes (50 available). Estimated dispatch time: 1-3 days

Related to: Project: μDCC Decoder (May 2026 [print issue])

Other items relevant to this project:

Kit parts list

	1 × Same Sky 9×9mm piezo buzzer (CPT-9019A-SMT-TR)
	1 × microDCC Decoder PCB [09111247]

Semiconductors

	1 × PIC16F18126-I/SL programmed for the microDCC Decoder with bell sound [0911124G.HEX] (varies with options)
	1 × DRV8231DDAR IC (SOIC-8-PP)
	1 × MCP1703AT-3302E/CB 3.3V 250mA LDO regulator (SOT-23)
	2 × 2N7002K 60V 300mA N-channel Mosfet (SOT-23)
	1 × 1N5819WS 40V 1A schottky diode (SOD-323)
	1 × CD-MMBL110S 1V 1A bridge rectifier diode (LDFN-4)

SMD Capacitors

1 × 10µF 50V M2012/0805 X5R

SMD Resistors

	2 × 100kΩ ±1% M2012/0805 ⅛W
	3 × 10kΩ ±1% M2012/0805 ⅛W
	1 × 100Ω ±1% M2012/0805 ⅛W
	2 × 10Ω ±1% M2012/0805 ⅛W
	1 × 0.68Ω ±1% M2012/0805 ⅓W

Cable & Hardware

1 × 2cm length of 20mm diameter clear heatshrink tubing

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