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927 Railway Signal PCB
CBC Design 927 Signal PCB.

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Model Railway Signals, Traffic Lights, Pedestrian Crossing, Level Crossing Driver Assemblies, Kits and PCB.

We supply kits and manufacture a range of electronic assemblies developed and designed in-house for model railways enthusiasts.

Products include kits for 2, 3 and 4 aspect led signal drivers, traffic light, pedestrian crossing and level crossing led drivers or the unpopulated printed circuit boards and kits so you can build your own modules using your own components if preferred following instructions provided.

If you choose to source your own components and just buy the board you can build signal controllers for a fraction of the cost of manufactured assemblies that are available online. Kits are more expensive but still cheaper than pre-built assemblies.

Assembly Instructions and drawings are supplied with the kits or pcbs and a link to the software for DIY pic programming if you buy pcbs only is included with the invoice. If you buy kits which includes pics we supply them pre-configured to suit whichever signal types you purchase.

Software can be downloaded for either common anode or common cathode led configurations giving you flexibility to use whichever option suits your signals. A wiring diagram is also provided with your invoice or emailed to you whilst your order is processed.

The 927 Signal PCB has many features which include:-

  • Wide Power Supply Voltage of 10-24VDC
  • Protected against accidental reverse power connection
  • Configurable for common anode or common cathode signals
  • Adjustable sensitivity for performance in bright or dim environments
  • Robust industrial quality pcb design
  • Onboard led for blind sensitivity adjustment
  • Software based micro processor control
  • Drives leds source or sink from 1mA up to 25mA per led
  • Can function stand-alone or as a group (software dependant)

Because the assemblies are aimed at hobbyists the heart of the modules is a Picaxe(tm) micro controller. This allows end users to modify the software or take advantage of the flexible nature of the 927 pcb in order to design their own projects.

NOTE: Signal led lights and gantries are not included with the modules or kits and must be purchased separately from leading hobby retail outlets.

If you are unable to program your micro controller and you did not buy it from us as part of a kit or want to change your pcb for a different application and need us to re-program the pic for you, we can do so for a small fee as shown near the bottom of this page.

Unpopulated 927 PCB only....2.00 +VAT.... Add to Basket
Pack of two unpopulated 927 PCB only....3.80 +VAT.... Add to Basket
Pack of four unpopulated 927 PCB only....7.60 +VAT.... Add to Basket
Pack of five unpopulated 927 PCB only....9.00 +VAT.... Add to Basket
Pack of ten unpopulated 927 PCB only....17.00 +VAT.... Add to Basket

SIGNAL MODULES - Self Assembly Kits
Signal module drivers are available in 2, 3 or 4 aspect versions. The units work by detecting trains passing over an infrared led and sensor that needs to be mounted in the track bed at the beginning of a block.

Stand-alone versions are available for hobbyists who wish to follow the example demonstrated by Everard Junction on You Tube or want to avoid wiring complications that inter-connected signals require. However it should be noted that you must use our version of the software to program the microcontroller. Whilst it is similar to the Everard version there are subtle differences due to the way in which the inputs to the micro controller are configured on the CBC 927 pcb and Everards software will not work on our boards.

Stand-alone kits are available in 2, 3 or 4 aspect versions using common anode or common cathode led signal arrays as follows:-

STAND-ALONE SELF-ASSEMBLY KITS 2 ASPECT COMMON ANODE
927 PCB signals kit 2 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 2 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 2 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 2 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 2 Aspect Ca....85.00 +VAT.... Add to Basket

STAND-ALONE SELF-ASSEMBLY KITS 2 ASPECT COMMON CATHODE
927 PCB signals kit 2 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 2 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 2 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 2 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 2 Aspect Cc....85.00 +VAT.... Add to Basket

STAND-ALONE SELF-ASSEMBLY KITS 3 ASPECT COMMON ANODE
927 PCB signals kit 3 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 3 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 3 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 3 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 3 Aspect Ca....85.00 +VAT.... Add to Basket

STAND-ALONE SELF-ASSEMBLY KITS 3 ASPECT COMMON CATHODE
927 PCB signals kit 3 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 3 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 3 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 3 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 3 Aspect Cc....85.00 +VAT.... Add to Basket

STAND-ALONE SELF-ASSEMBLY KITS 4 ASPECT COMMON ANODE
927 PCB signals kit 4 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 4 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 4 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 4 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 4 Aspect Ca....85.00 +VAT.... Add to Basket

STAND-ALONE SELF-ASSEMBLY KITS 4 ASPECT COMMON CATHODE
927 PCB signals kit 4 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 4 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 4 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 4 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 4 Aspect Cc....85.00 +VAT.... Add to Basket

Automated interconnected versions sense the movement of trains into and out of one block and into the next and the signals change state in sequence like the real world counterpart. Reverse is also factored into the design by adding an additional signal cable between signal modules in the chain. Logic states are passed forwards and backwards to neighbouring signals from any signal that trips red by a passing train and each signal changes state to the appropriate colour.

Please note that the minimum number of series connected signal modules required for sequential operation is 2, 3 or 4 in accordance with 2, 3 or 4 aspect signal configurations.

INTERCONNECTED SELF-ASSEMBLY KITS 2 ASPECT COMMON ANODE
927 PCB signals kit 2 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 2 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 2 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 2 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 2 Aspect Ca....85.00 +VAT.... Add to Basket

INTERCONNECTED SELF-ASSEMBLY KITS 2 ASPECT COMMON CATHODE
927 PCB signals kit 2 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 2 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 2 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 2 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 2 Aspect Cc....85.00 +VAT.... Add to Basket

INTERCONNECTED SELF-ASSEMBLY KITS 3 ASPECT COMMON ANODE
927 PCB signals kit 3 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 3 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 3 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 3 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 3 Aspect Ca....85.00 +VAT.... Add to Basket

INTERCONNECTED SELF-ASSEMBLY KITS 3 ASPECT COMMON CATHODE
927 PCB signals kit 3 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 3 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 3 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 3 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 3 Aspect Cc....85.00 +VAT.... Add to Basket

INTERCONNECTED SELF-ASSEMBLY KITS 4 ASPECT COMMON ANODE
927 PCB signals kit 4 Aspect Ca....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 4 Aspect Ca....17.00 +VAT.... Add to Basket
4 off 927 PCB signals kit 4 Aspect Ca....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 4 Aspect Ca....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 4 Aspect Ca....85.00 +VAT.... Add to Basket

INTERCONNECTED SELF-ASSEMBLY KITS 4 ASPECT COMMON CATHODE
927 PCB signals kit 4 Aspect Cc....8.50 +VAT.... Add to Basket
2 off 927 PCB signals kit 4 Aspect Cc....17.00 +VAT.... Add to Basket
4 off 927 PCB signals Kit 4 aspect Cc....34.00 +VAT.... Add to Basket
5 off 927 PCB signals kit 4 Aspect Cc....42.50 +VAT.... Add to Basket
10 off 927 PCB signals kit 4 Aspect Cc....85.00 +VAT.... Add to Basket

TRAFFIC LIGHTS AND PEDESTRIAN CROSSINGS - SELF-ASSEMBLY KITS
Our traffic light and pedestrian crossing modules replicate the sequence that real world uk lights follow and are fully automated on a rotating sequence. The module can be held in green and the sequence initiated either manually by opening a switch or automatically using a relay contact operated from an external control source such as a DCC module.

Once initiated the lights operate on a 10 (green), 4(Amber), 10 (Red), 6(Red and Amber) second sequence. Other timing options can be provided free of charge when purchasing the kit (please email us with your requirement) or assembled module or you can download the software and modify it yourself using a Picaxe programming kit and Picaxe editor 6 software package.

LEVEL CROSSINGS
The level crossing module functions in the same way that real world UK level crossings do. A single flashing yellow warning led on a 1 second on, 1 second off interval for several seconds is followed by all red lights on for 1 second followed by alternating dual flashing leds. The sequence can be initiated by a switch or relay contact operated by an external source such as a DCC module or can be connected to our 2, 3 or 4 signal modules for automatic activation as a train approaches.

927 Level Crossing kit common anode....7.95 +VAT.... Add to Basket
927 Level crossing kit common cathode....7.95 +VAT.... Add to Basket

TRAFFIC LIGHTS

927 Traffic Light kit common anode....7.95 +VAT.... Add to Basket
927 Traffic Light kit common cathode....7.95 +VAT.... Add to Basket

FULLY ASSEMBLED PRE-TESTED SIGNALS.

Our fully assembled signal drivers are built in-house and tested so that they can be fitted and wired directly into your layout with no assembly on your part other than fitting the infra red led and detector into the track and connecting them to the pcb.
They are available in common anode and common cathode configurations in stand-alone and sequential 2, 3 and 4 aspect versions.

STAND-ALONE 2 ASPECT COMMON ANODE
927 PCB signal 2 Aspect Ca....12.50 +VAT.... Add to Basket

STAND-ALONE 2 ASPECT COMMON CATHODE
927 PCB signal 2 Aspect Cc....12.50 +VAT.... Add to Basket

STAND-ALONE 3 ASPECT COMMON ANODE
927 PCB signal 3 Aspect Ca....12.50 +VAT.... Add to Basket

STAND-ALONE 3 ASPECT COMMON CATHODE
927 PCB signal 3 Aspect Cc....12.50 +VAT.... Add to Basket

STAND-ALONE 4 ASPECT COMMON ANODE
927 PCB signal 4 Aspect Ca....12.50 +VAT.... Add to Basket

STAND-ALONE 4 ASPECT COMMON CATHODE
927 PCB signal 4 Aspect Cc....12.50 +VAT.... Add to Basket

INTERCONNECTED 2 ASPECT COMMON ANODE
927 PCB signal 2 Aspect Ca....12.50 +VAT.... Add to Basket

INTERCONNECTED 2 ASPECT COMMON CATHODE
927 PCB signal 2 Aspect Cc....12.50 +VAT.... Add to Basket

INTERCONNECTED 3 ASPECT COMMON ANODE
927 PCB signal 3 Aspect Ca....12.50 +VAT.... Add to Basket

INTERCONNECTED 3 ASPECT COMMON CATHODE
927 PCB signal 3 Aspect Cc....12.50 +VAT.... Add to Basket

INTERCONNECTED 4 ASPECT COMMON ANODE
927 PCB signal 4 Aspect Ca....12.50 +VAT.... Add to Basket

INTERCONNECTED 4 ASPECT COMMON CATHODE
927 PCB signal 4 Aspect Cc....12.50 +VAT.... Add to Basket

LEVEL CROSSING ASSEMBLIES

927 Level Crossing common anode....12.50 +VAT.... Add to Basket
927 Level Crossing common cathode....12.50 +VAT.... Add to Basket

TRAFFIC LIGHT ASSEMBLIES

927 Traffic Light common anode....12.50 +VAT.... Add to Basket
927 Traffic Light common cathode....12.50 +VAT.... Add to Basket

MICRO CONTROLLER PROGRAMMING
Please specify which of the above products you want your controllers to be programmed for including the common anode or common cathode led configuration. Note that programming is for extra pics. There is no charge for pics supplied with kits which are shipped fully programmed.

Picaxe Programming Charge per micro controller....1.00 +VAT.... Add to Basket

For different quantities or a mix of any of the above kits please email us with your requirement. We hope you will enjoy building your kits as much as we have enjoyed developing them.