• Snap Accessory Decoder PCB [09111254] ($3.00)
• Servo Accessory Decoder PCB [09111255] ($3.00)
• PIC16F18146-I/SO programmed for the Snap Accessory Decoder [0911125P.HEX] ($10.00)
• PIC16F18146-I/SO programmed for the Servo Accessory Decoder [0911125V.HEX] ($10.00)
• Servo-type Accessory Decoder kit ($40.00)
• DCC Accessory Decoder software (Free)
• DCC Accessory Decoder PCB patterns (PDF download) [09111254-5] (Free)

Kit parts list

	2 × 4-pin tactile switch, black 6×6x5mm (1mm actuator)
	1 × Snap Accessory Decoder PCB [09111254]

Connectors

	1 × jumper shunt
	1 × 2-pin male header (2.54mm pitch)
	1 × 4-way vertical polarised header with matching plug & pins (2.54mm pitch)
	2 × 3-way mini horizontal terminal block, 5.08mm pitch (green, small, slotted)
	2 × 2-way mini horizontal terminal block, 5.08mm pitch (blue, small, Philips)

Semiconductors

	1 × PIC16F18146-I/SO programmed for the Snap Accessory Decoder [0911125P.HEX]
	1 × 78L05 5V 100mA linear regulator (TO-92)
	1 × 3mm green diffused LED
	1 × 3mm red diffused LED
	2 × DRV8231DDAR IC (SOIC-8-PP)
	5 × 1N5819 40V 1A schottky diode (DO-41)

Through-hole Capacitors

	1 × 4700µF 25V electrolytic capacitor
	2 × 100µF 25V electrolytic

Through-hole Resistors

1 × 100Ω ±5% 1W

SMD Capacitors

	2 × 1µF 50V M3216/1206 X7R
	3 × 100nF 50V M3216/1206 X7R

SMD Resistors

	2 × 100kΩ ±1% M3216/1206 ¼W
	5 × 10kΩ ±1% M3216/1206 ¼W
	1 × 3kΩ ±1% M3216/1206 ¼W
	3 × 1kΩ ±1% M3216/1206 ¼W
	2 × 0.1Ω ±1% M6331/2512 3W (75ppm)