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YouChoos British Sounds
Sound Decoders (blank) Speakers Standard Decoders Function & Accessory Decoders Lamps & Lighting Electronics & Connectors
Wire Seuthe Smoke Figures Tools, Glues & Adhesives Ready-To-Run DCC Systems, Programmers & Feedback Modules

Function Decoders

YouChoos Products

Function decoders offer ONLY auxilliary/function outputs, and DO NOT have output for controlling motor or sound.

They have a wide variety of applications, but most commonly used to add lighting, smoke, or auto-coupling control to a vehicle that has no motor. For example, many modern steam locos have a DCC decoder socket in the tender, which gives control of the motor, so a separate function decoder can be added in the boiler of that loco to provide control of loco lamps, firebox glow and other special features.

Another common use is to provide DCC control of coach lighting, which is particularly effective where the decoder supports a stay-alive capacitor which helps eliminate flicker.

Zimo MX688N18 15x9.5x2.8mm 0.7A 8 Functions
Next18
£20 Add to basket

Zimo MX681
12x8.5x2.2mm 0.6A 6 Functions
wires-only version
£25 Add to basket

Zimo MX681N
12x8.5x2.2mm 0.6A 6 Functions
6pin direct plug-in version
£25 Add to basket

Zimo MX685 20x11x3.5mm 1A 8 Functions
wires-only version
£20 Add to basket

Zimo MX686 20.5x15.5x4mm 1.2A 8 Functions with stay-alive facility
wires-only version
£25 Add to basket

Zimo MX687W 28x15.5x4mm 1.2A 8 Functions with stay-alive facility, full feature/power version of MX686
wires-only version
£34 Add to basket

Accessory Decoders

Accessory decoders are static decoders on your layout, deployed to control points and lighting features. Some allow control of solenoid-style point motors, and others give fine servo-control for slow-action points. You need a DCC controller that understands how to drive accessory decoders (most controllers other than the very basic ones can do this).

Zimo MX820E 19x11x2mm 1A, 1 point (not servo), 2 inputs £22 Add to basket

Zimo MX820V 19x11x3mm 1A, 2 points (not servos), 4 inputs £30
temp out of stock
Add to basket

Zimo MX820X 19x11x2mm 1A, 1 point (not servo), 2 inputs, 8 lights £34 Add to basket

Zimo MX820Y 19x11x3mm 1A, 2 points (not servos), 4 inputs, 16 lights £38 Add to basket

Zimo MX820Z 19x11x3mm 1A, 0 points, 0 inputs, 16 lights £25 Add to basket

DigiKeijs DR4018 - 16-channel accessory decoder for solenoid points etc. (not servos) £31
ordered on request
normally within
1-3 days
Add to basket

DigiKeijs DR4101 2-to-3 wire Point Convertor, 4-Pack - Switch motor interface (4-Pack) for 2-wire point motors (e.g. Kato, Tortoise, Cobalt etc.) giving connection to 3-way accessory decoders £19
ordered on request
normally within
1-3 days
Add to basket

DigiKeijs DR4024 - 4-channel accessory decoder for servos with 4 additional switching outputs £24
ordered on request
normally within
1-3 days
Add to basket

DigiKeijs DR4024 Kit - Includes DR4024 4-channel accessory decoder for servos with 4 additional switching outputs, plus 4 mini-servos and 50cm servo extension cables £53
ordered on request
normally within
1-3 days
Add to basket

DigiKeijs DR4050 RGB Controller - RGB LED controller including accessories to create night/day lighting effects £120
ordered on request
normally within
1-3 days
Add to basket

DigiKeijs DR5088RC RailCom Feedback - 16-channel RailCom feedback module with occupancy detection - the ultimate in feedback! £86
ordered on request
normally within
1-3 days
Add to basket

Zimo MX821S 105x50x11mm 3A, 8 points (3-pin servos), 0 inputs, 0 lights £59 Add to basket

Zimo MX821V 105x50x11mm 3A, 8 points (3-pin servos), 16 inputs, 16 lights (100mA each), Railcom for feedback of position £89
ordered on request
Add to basket

Plugs / Connectors

Above are shown the connector types that come as standard on those decoders, but if you need a different connector adding then this can usually be done for an extra £4!

wires only NEM652 8 pin NEM651 6 pin on wires NEM651 6 pin direct MTC 21 pin direct MTC 21 pin on wires


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