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Model Electronic Railway Group Ltd

The Society for Model Railway Electronics and Computing

Over 50 years of Innovation: 1967-2025

Kit Instructions

General Kits

Kit No Kit name Description Filesize Building instructions
37C Dual Turnout Solenoid Motor Driver (1000uF) Fitted with 1000uF capacitors suitable for standard twin-coil solenoid point motors such as PECO or SEEP where lower power operation is desired such as N gauge or 2-wire KATO Unitrack point motors. A set of relay contacts are available for frog polarity switching.   
37D Dual Turnout Solenoid Motor Driver (2200uF) Fitted with 2200uF capacitors suitable for standard twin-coil solenoid point motors such as PECO or SEEP. A set of relay contacts are available for frog polarity switching.   
470 Dapol Signal Conversion Kit Parts to convert a Dapol 00 or N scale signal from 15V AC to 5 - 12V DC on/off operation (signal not included). 847 kB
49 12VDC CDU Solenoid Driver Capacitor Discharge Unit for solenoid point motors powered from 12V DC. 611 kB
60 5V DC Adaptor Kit Although the kit is primarily aimed at 12V DC to 5V DC conversion, the PCB includes other options. Now updated with input and output terminal blocks plus a new PCB featuring both AC adaptor(max 12Vac) and DC adaptor (max 16Vdc) options. Note the highest input voltages may require a TO220 heatsink (not supplied in the kit). 383 kB
61 Gas Lamp Twinkler Includes a small PCB and all components to simulate flickering lamps. 562 kB
68 2ch DC or DCC diode drop Block Detector (Train-on-Track-Indicator, ToTi-2) New 2-channel detector. Requires split power supply Kit 69. 748 kB
69 ±5V Dual Power Supply Regulator kit for ToTI Kits Derives ±5V DC from 12V DC input. 540 kB
72A Dual Hector, Infra-red train detector kit Twin channel infra-red train detector. 1.3 MB
72B Hector Double Sensor Head kit Twin replacement sensor heads for the Hector infra-red train detector kit 72A. 491 kB
75A Servo4-G Drives 4 model aircraft servos for turnouts, level crossing gates, semaphore signals, etc. Updated kit using 12V DC only. 650 kB
76B ServoSet2, Setting box for kit 75, Servo4 Used for setting servo positions on a Servo4   
77 Servo1 Single Servo Driver Supplied with EzySema4 firmware. Requires Kit 77S for setting up. 376 kB
77R Servo1R Single Servo Driver with Relay Supplied with EzyRemote firmware. Incorporates relay for frog switching etc. Requires Kit 77S for setting up. Multipack now available. 622 kB
77RM Servo1R Servo Driver 5 Multipack 5 kit multipack of our Servo1R kit 77R.   
77S Setting Box for kits 77 & 77R   720 kB
79 Turntable Controller (Stepper Motor) Includes components to construct a 12Vdc drive electronic, turntable controller module using a stepper motor. Stepper Motor and gear box not included. Knobs, switches and LEDs extra in Control Pack 79C. 970 kB
79C Turntable Control Pack Includes switches, knobs and LEDS for Turntable Controller Kit 79. 180 kB

DCC Kits

Kit No Kit name Description Filesize Building instructions
175 Frog Polarity Switch (FPS) Multi-function frog/crossing polarity switch, kit builds 2 units for 2 turnouts. Fully automatic operation usually used with DCC though some modes also work with conventional DC powered track. Can be self powered from DCC track or use an external 5V or 12V DC regulated power supply. It can also be used with a servo when it can be set to switch at the mid-point of travel. Please check the full manual available on the kit page for all its capabilities. Price is for two modules.   
50 2ch DCC only Current Transformer Block Detector, DTC2 A redesigned 2-channel detector based upon the original DTC8 kit. 433 kB
52 DCC Accessory Decoder (pulsed outputs) For solenoid operated turnouts 524 kB
53A DCC Accessory Decoder (steady state output for constant drive turnouts, eg Tortoises) 4-channel Bipolar For motor-operated turnouts, eg Tortoise etc. New PCB.   
56A 8ch DCC only Current Transformer Block Detector, DTC8 A recast layout of the original 8-channel kit. 895 kB
57 DCC District Cutout District Cutout Module DCO. Firmware is DCOR1-2a which is compatible with Railcom. 958 kB
59A DCC Booster Kit NB2 Updated DCC Booster kit that can be configured for either 4.5A or 8.5A output. NOTE: Usually used with a 15V DC power supply but will work with a 12V DC power supply which may be more suitable for N gauge. See item 774 for suitable 15V 6A power supply or item 772 for a suitable 12V 5A power supply for the 4.5A booster version only. 4.1 MB

CBUS Explorer

Kit No Kit name Description Filesize Building instructions
110 Arduino CAN Shield The shield adds a CAN interface to an ARDUINO so that Users can craft CBUS functionality   

Tools

Kit No Kit name Description Filesize Building instructions
793 26SWG Solder Nominal 5m length of Tin/Lead/Silver 26SWG solder especially for SMD work. Not intended for general use.   
794 Bending Jig This simple tool makes bending leads of axial components simplicity itself. Priced each - colour may vary.   
795 Track/PCB Cleaner block Priced each   
799 Measure of Patience Specially introduced for those of you who find it hard to wait for a new module that has been talked about on the Forum but which is taking too long to appear in the Kit Locker. Limited to one per order.   

Miscellaneous

Kit No Kit name Description Filesize Building instructions
472A Telescope Ferrule for Dual Hector Brass ferrule for Dual Hector phototransistor   
498 Voltage Detector Dongle Kit for CBUS Prevents firmware corruption on CBUS kits with 25K or 26K Pics and 16MHz resonators or crystals. Slots onto the module's ICSP header. 201 kB
625 4-way Pluggable Connectors : 5 Pack 5 pack 4-way pluggable connectors as used in Kit 25, CBUS and other Buses   
673 CAB Holder Laser-cut MDF fret to make a holder for your CANCAB. 465 kB
676 Uses CBUS Label A loyalty plaque for CBUS aficionados (70 x 45mm)   
677 CBUS Free Zone Label An alternative plaque for those of us who don't use CBUS (70 x 45mm)   
678A RJ22 Twin Faceplate A face plate (69 x 44mm) with our new logo for your CANRJ22H/V plug-in points. Picture shows alternate legends printed each side. Priced each.   
679A MERG Publicity Label New logo publicity plaque (70 x 45mm) to display on your layout   
6920 Tactile Switch for CANCAB     
6921 Button Cap for CANCAB - Ivory     
6922 Button Cap for CANCAB - Black     
6923 Button Cap for CANCAB - Yellow     
6924 Button Cap for CANCAB - Red     
6925 Button Cap for CANCAB - Green     
6926 Button Cap for CANCAB - Blue     
758 FDV304P SMD CBUS Transistors (4) 4-pack as used in CANLED Kit 82 and CANPAN Kit 97   
764A Label fascia for CANCAB2 Handset Kit 92P/E As supplied in CAB Kit 92p and 92e. Updated with current MERG logo.   
7919 Spacer/Bracket sprue for CANCAB2 Replacement spacers and bracket used in the CANCAB2   
7921 100k Speed Pot for CANCAB Speed pot used in both orignal CANCAB and CAB2 pot version.   
7921E CANCAB2 Rotary Encoder for Kit 92E Rotary Encoder with push switch as used in Kit 92E   
93AH CAB Plug-in Point with horizontal RJ22 sockets Additional plug-in points for your hand-held CAB.   
93AV CAB Plug-in Point with vertical RJ22 sockets Additional plug-in points for your hand-held CAB.   

ICs

Kit No Kit name Description Filesize Building instructions
724P EzyBus Controller Microprocessor ATMEGA328P-PU 28 pin DIP IC programmed for the EZYBUS Controller Module kit 24   
755 MCP2551-I/P CAN Transceiver Through hole item - as used in Classic CBUS Kits   
756 MCP2562-E/P CAN Transceiver As used in some CBUS-2G Kits   
759 MCP2515-I/P CAN Controller for CANPiCAP   
775P-OUT ATMEGA328P-PU ATMEGA328P-PU 28 pin DIP IC programmed for the EZYBUS Output Module kit 22   
781 TBD62083APG MOSFET Driver Low-side driver as used in several of our kits.   
781A TBD62783APG MOSFET Driver High-side driver as used in some of our kits. The complement to Kit 781.   
783 L6388E Half Bridge MOSFET Driver As used in NB2 Booster Kit 59A.   
784 CD74HC238 Decoder/Multiplexer As used in CANPAN Kit 97.   
785 TLC5917N LED Driver Sink LED Driver   
786 MCP2561FD CAN Transceiver CAN Transceiver as used in CANCAB2P   
787 MIC4426YN MOSFET Driver MOSFET Driver as used in CANSOL Kit 94 and CANCMD2 Kit 91a   
788 MCP23017 Expander IC for EzyBus Input Module MCP23017 Expander Chip for EzyBus Input Module   

General Kit PCBs

Kit No Kit name Description Filesize Building instructions
9145 ATC2-CORE PCB ATC2 Core PCB used in kit 145   
9145P ATC2-CORE-PANEL PCB ATC2 Core Panel PCB used in kit 145   
9146 ATC2-ENDS and PROFILES PCB ATC2 Ends and Profiles PCB used in kits 146 and 147   
9147P ATC2-PROFILES-PANEL PCB ATC2 Profiles Panel PCB used in kit 147   
9148 ATC2-MPS PCB ATC2 MPS PCB used in kit 148   
9151 LCB Connector Board PCB PCB for LCB Connector Board   
9152 Layout Power Distribution PCB PCB for the Power Distribution throughout the layout   
921 U-RLY Universal Relay Mounting PCB New design, PCB only. 438 kB
922a EzyBus Output PCB rev2 EzyBus Output module PCB powered from 12Vdc using the Kit 422 ATMEGA328P to drive 8 Servos, 8 Outputs as used in the current Kit 22.   
923 EzyBus Input PCB rev 3 PCB for the EZYBUS Input Module kit 23 - note that this is an upgrade from the former Input Module PCB 8.0 MB
924 EzyBus Controller PCB EzyBus Controller PCB   
936 SD2 Signal Driver PCB Single PCB as used in Kit 36 SD2-4   
9436 PCB for SD2-SMD Signal Driver Surface Mount PCB   
9461 PCB for SMD Gas Lamp Twinkler Gas Lamp Twinkler Surface Mount PCB   
9470 PCB for Dapol Signal Conversion PCB for Kit 470   
949 12V CDU PCB 12V CDU PCB   
960 PCB for Unversal PSU PCB used for universal regulated Power Supply.   
961 Gas Lamp Twinkler PCB (TH) For through-hole kit   
968 PCB for 2Ch ToTI Kit 68     
969 PCB for Split PSU Kit 69     
972A Dual Hector PCB     
975G Servo4G Rev1 PCB PCB for Servo4 G   
976B ServoSet2 PCB As used in ServoSet2 Kit 76B. This is now a double sided PCB which allowed improved component markings and slightly revised connections compared to the older 76A.   
977 Servo1 PCB As used in new kit 77   
977R Servo1R PCB As used in new kit 77R   
979 Stepper Motor Turntable Controller PCB See kit 761P for programmed PIC 1.1 MB

Clearance

Kit No Kit name Description Filesize Building instructions
404 PTP-Lite HV Backplane Kit - SMD Contains components to build a 3-wide High Voltage Backplane (one only shown here). Will accept up to 3 additional Modules to grow your Starter Set. 2 only available. 1.0 MB
409 PTP-Lite Address Setter Kit - SMD Contains components to build the module to set the address of your PTP-Lite Modules. Listed in case you lose or damage the one included in your Starter Set. 2 only available. 486 kB
750SMP Programmed PIC12F683 for Servo1 Discontinued   
901.4 TM4 CANLED Test Module PCB Discontinued 849 kB
980 CANUSB USB I/F PCB As used in superseded Kit 80 (Mike Bolton's Design). Available while stocks last!   

Power Supplies

Kit No Kit name Description Filesize Building instructions
771 5V 5A DC Power Supply Uprated version of our Switched Mode Power Supply suitable for PTP-Lite, RFID, and some Classic CBUS Kits. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead or use kit 780. 217 kB
772 12V 5A DC Power Supply Switched Mode Power Supply suitable for MERG designs requiring 12V DC such as the 2nd generation CBUS modules. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead or use Kit 780. 83 kB
773 15V 3A DC Power Supply Switched Mode Power Supply suitable for the ATC/Shuttle kits, most Classic CBUS, and CANCMD2. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead or use Kit 780. 64 kB
774 15V 6A DC Power Supply Switched Mode Power Supply suitable for the 5A DCC Booster. Includes 2.1mm DC power socket. Source your own 'Clover Leaf' mains power lead or kit 774P. 33 kB
774P C5 (Clover Leaf) Power Lead C5 (Clover Leaf) Power Lead for use with Kit 774. Complete with 13A plug fitted with a 3A Fuse.   
776 18V 3.6A DC Power Supply Switched Mode Power Supply suitable for powering SuperBloc and old CANCMD kits. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead or use Kit 780.. 64 kB
779 DC Socket CLB-JL53 5A TB Plug for our range of SM-PSUs, 5.5 x 2.1mm centre pin. As supplied with all PSUs except Kit 771 (5V).. 70 kB
780 C7 PSU Power Cable PSU power cable with a C7 (Figure 8) Socket and 13A Plug fitted with a 3A fuse. Suitable for Kits 771, 772, 773 and 776. NOT SUITABLE FOR KIT 774.   

CBUS PCBs

Kit No Kit name Description Filesize Building instructions
911 PCB CAN.FLIM.IO-E For kit 11 CANVOUT and kit 13 CANVSERVO 1.8 MB
9110 PCB for Arduino CAN Shield PCB for the Arduino CAN shield kit 110   
9111 CAN-Pico02_2515 PCB This module PCB provides CAN port interfacing to a Raspberry Pi Pico which sits onboard as a daughter module. It has a number of headers to accommodate optional mezzanine driver boards or an OLED display module. This enables access to several of the Pico’s I/O pins. A suitable mezzanine board is kit 9112 Pico Mezz01.   
9112 Pico MEZZ01 PCB This is an interface module PCB that plugs into the 16 pin header of the Pico02 module. It provides basic signal conditioning for the 8 digital I/O lines and a header to access the 3 analogue inputs.   
912 PCB CAN.FLIM.IO-O For Kit 12 CANVINP   
914 PCB CAN.FLIM.IO-F For Kit 14 CANV4BIP   
9193A CANACTOUT RJ22 PCB RevC Combined CANACT and CANRJ22 CAB plug-in as used by Kit 193   
928 CANOUT PCB PCB for CANOUT   
929 CANINP PCB PCB for CANINP   
9391 MioADD PCB PCB for MioADD   
9392 MioADDSVO PCB MIOAddSVO PCB to provide a servo powered output for CANMIO via the header socket   
980A CANUSB4 I/F PCB As used in the Kit 80A   
993A CANCAB Plug Point Dual PCB PCB for Kit 93AH/93AV 27 kB
993S CANCAB Plug Point Single PCB Single PCB for Kit 93AH/93AV   
994A CANSOL 94A Rev 5 PCB CANSOL Rev5 PCB   
997 CANPAN Mimic Panel Interface PCB As used in the CANPAN Kit 97   
998B CANMIO Rev K PCB Revision K PCB for CANMIO   

SMD Starter Kits

Kit No Kit name Description Filesize Building instructions
436 SD2 Colour Light Signal Driver SMD Single channel SMD Version of our SD2 Kit 36. Drives 2, 3 or 4 aspect signals. 916 kB
461 Gas Lamp Twinkler SMD Includes a small PCB and all SMD components to simulate flickering lamps 802 kB

Servo Mounts

Kit No Kit name Description Filesize Building instructions
681 Point Motor - Micro-Servo Mount Contains 6 sets of plastic frets, locking nuts and bolts and length of piano wire to build 6 basic point motors using 9g servos. 1,003 kB
682 Point Motor - Horizontal Kit Contains 6 plastic parts to convert 6 point motor servo kits (681) to horizontal operation (red parts only). 153 kB
683 Microswitch Pack Pack of 12 lever type microswitches with mounting nuts and bolts suitable for Kit 681 Point Motor Servo Mount. 171 kB
684 Single Arm Semaphore Mount 3D printed servo mount for single arm semaphore signal. Suitable for 9g servos. 222 kB
685 Double Arm Semaphore Mount 3D printed servo mount for double arm semaphore signal. Suitable for 9g servos. 233 kB
686 Quad Arm Semaphore Mount 3D printed servo mount for quad arm semaphore signal. Suitable for 9g servos. 222 kB
687 Removable Mount for Semaphore Mounts Adds removable mount for five of kits 684, 685, and 686. 420 kB
688 Magnet Pack for Demountable Kit Pack of 10 super-magnets for use with Demountable Kit 687. 132 kB
689 Colour Light Signal Mount Kit 3D printed mounts for five colour light signals (signals not included). 168 kB
690A Level Crossing Gate Servo Mount 3D printed servo mount for vertical shaft. Revised slimline design for 9g servos, with separate microswitch mount   

Pocket Money Projects

Kit No Kit name Description Filesize Building instructions
802 PMP2 - LDR Train Detector LDR Detector, works with DC and DCC. 336 kB
803 PMP3 - Servo Tester/Controller Controls the movement of a single servo (sold separately). Ideal for experimentation or testing servos. 427 kB
805 PMP5 - Logic Probe Tells you whether a point on a circuit is at 5V or 0V. 280 kB
806 PMP6 - 12V Supply Derives a light duty 12V DC supply from a 15V AC input. Use to power other PMPs only! 278 kB
808 PMP8 - Multi Purpose Flasher V2 This project has four possible operating modes. Now with welding afterglow! 500 kB
809 PMP9 - 4-way Traffic Lights This kit simulates UK and Continental road traffic lights, producing the correct switching sequence. 622 kB
811 PMP11 - LED Dimmer Dims a number of LEDs using pulse width modulation. 411 kB
812 PMP12 - Random Lights Switches up to 10 lights on and off randomly. 463 kB
813 PMP13 - Lighthouse Simulator Simulates a variety of UK lighthouses or aircraft warning lights. 377 kB
814 PMP14 - Decoder Test Rig Set up and test DCC decoders. 397 kB
816 PMP16 - Turnout Position Sensor Detects position of your turnouts on DCC. 579 kB
817 PMP17 - Automatic Signals Detects an approaching train and automatically turn the lights to green for a period until the train passes. 577 kB
819 PMP19 - Automatic Coach Lighting An automatic lighting system where the coach lights only come on when the train is moving. 768 kB
820 PMP20 - Versatile Timer Timer can be set up for long and short events and intervals. 412 kB
821 PMP21 - Dual LED Flasher Flashing lights for emergency vehicles or level crossings. 580 kB
823 PMP23 - DCC Reverse Loop Controller As featured in the March 2018 Journal 539 kB
824 PMP24 - Arc Flash Generator As described in the June 2018 Journal 688 kB
825 PMP25 - Steam Sound Emulator As described in the December 2018 Journal 471 kB
826 PMP26 - Event Sequencer Animated sequences without programming. As described in the March 2019 Journal. 845 kB
827 PMP27 - Button Operated Servos Panel push buttons for servos. As described in the June 2019 Journal. 786 kB
899 PMP99 - Hall Effect Sensor Pack Pack of 5 off DRV5033 Hall Effect Sensors as found in PMP24 Arc Flash Generator kit. Includes supporting components. Suitable as input for PMP23 and many other kits. 686 kB

DCC PCBs

Kit No Kit name Description Filesize Building instructions
9175 Frog Polarity Switch (FPS) PCB Frog Polarity Switch PCB used in kit 175   
950 DTC2 DCC Block Detector PCB PCB for the revised Kit 50   
952 DCC Accessory Decoder (P) PCB     
953A DCC Accessory Decoder (S/S) PCB New PCB ver C for kit 53/53A. Parts and functionality are the same as the original kit 53.   
956A DTC8 DCC Block Detector PCB For the revised DTC8 kit 56A   
957 DCO DCC District Cutout PCB     
959A NB2 DCC Booster PCB     
991B CANCMDB Command Station PCB PCB for new CABCMDB Command Station with mini-booster for 15V DC input power   
992P CANCAB2 DCC Handset PCB For the new CABCAB2   

PICs

Kit No Kit name Description Filesize Building instructions
540 PIC16F628A Microcontroller Blank Programmable Micro-controller as used in DCC and RFID kits   
540P Programmed PIC16F628A Microcontroller Please select firmware required 32 kB
741 PIC12F675-I/P Microcontroller Blank, as used in PMK and PMP kits.   
741P Programmed PIC12F675 Microcontroller As used in PMK and PMP kits. Programmable. Select software required   
742P PIC12F1840-I/SP Preprogrammed For Kit 77 With semaphore action firmware as supplied in Kit 77.   
743 PIC16F18313-I/P Blank PIC16F18313-I/P   
743P PIC16F18313-I/P Preprogrammed For Kit 77R With firmware as supplied with Kit 77R Servo1R.   
745 Programmed 16F883 Microcontroller for ATC1 Firmware for ATC1 and ATC2   
751 PIC16F630 Microcontroller Blank Blank Programmable Micro-controller   
751P PIC16F630 Microcontroller Programmed Please select firmware required   
752 PIC16F676 Microcontroller Blank Programmable Micro-controller as used in the Servoset kit 76 and some PMPs   
752P Programmed PIC16F676 Microcontroller Please select firmware required   
753 Blank 16F1503 Microcontroller As used in Dual Hector   
753P Programmed 16F1503 Microcontroller for Dual Hector Firmware for Dual Hector   
754 PIC18F2480 Microcontroller Blank Programmable Micro-controller as used in CBUS kits. Price increase due to exchange rate drift!   
754P Programmed PIC18F2480 Microcontroller Please select firmware required - NOT available for CANCMD firmware, see item 756P below!   
756P Programmed 18F2580 Microcontroller for CANCMD Now with V4d firmware   
757 PIC18F13K22-I/P For NB2   
760 PIC16F1847 For the new DCC kits   
761 PIC18F2420 Microcontroller Blank Programmable Micro-controller as used in Stepper Motor Turntable Controller   
761P Programmed PIC18F2420 Microcontroller for TTSM For Stepper Motor Turntable Controller - select required firmware   
766 PIC18F25K80 Microcontroller The 18F25K80 has been discontinued, please see kit 768 18F26K80 as a replacement.   
766P Programmed PIC18F25K80 Microcontroller The 18F25K80 has been discontinued, please see kit 768P 18F26K80 as a replacement.   
767 Preprogrammed PIC18F14K50 for CANUSB4     
768 PIC18F26K80 Microcontroller Blank Programmable Micro-controller as used in 2nd Generation CBUS kits   
768P Programmed PIC18F26K80 Microcontroller Please select firmware required   
769 PIC18F27Q83 MIcrocontroller Blank Programmable Microcontroller as used with VLCB kits   
769P PIC18F27Q83 Programmable Microcontroller as used with VLCB kits   

CBUS Advanced

Kit No Kit name Description Filesize Building instructions
11 CANVOUT A CBUS Combination Module with 8 outputs for driving relays and accessories, plus 8 inputs for feedback or switch inputs. 959 kB
12 CANVINP A CBUS Combination Module with 16 inputs for feedback or switch inputs.   
13 CANVSERVO A CBUS Combination Module with 8-channel servo drive and 8-channel input. 902 kB
14 CANV4BIP A CBUS Combination Module with 4 outputs for driving motorised turnouts and stall motor turnouts such as Tortoises and Fulgurex units, plus 8 inputs for feedback or switch inputs. 892 kB
391 MioADD The MioADD an extension board for the CANMIO supplied with ResNet. For higher outputs using the driver IC please add Kit781. Build instructions OnLine   
392 MioADDSVO MioADDSVO is an addon servo driving board with its own regulated supply, and optional external supply input.   
97 CANPAN Mimic Panel Interface CBUS Modular Mimic Panel interface allowing up to 32 LEDs and 32 Switches/Pushbuttons. v1y Firmware 476 kB
98B CANMIO-UNIVERSAL An updated CANMIO board supplied on the larger REV K PCB. Board is supplied with Universal Firmware.   

Test Modules

Kit No Kit name Description Filesize Building instructions
193 CANACTOUT RJ22 connector and CBUS Monitor An Dual RJ22 CANCAB connector with a built in CBUS activity monitor.   
491 LCB Switch and LED test Boards One pair of 8 channel test boards for use in LCB such as CBUS   
492 CANGIZMO. (CBUS Test Module.) Bench Tester for CBUS modules. Transmits a fixed CBUS Poll message and indicates correct acknowledgement or error frame. Can also monitor CBUS networks. Note that the production kit has a 4 way pluggable CANBUS connector 1.5 MB
493 Bipolar pluggable LCB test Board Bipolar LCB for use with CBus modules   
497 CANTM7 Test Module Kit Test module specifically designed to test and set up your CANPAN Kit 97. 399 kB
90 CBUS Message Activity Monitor (CANACT) A CBUS Message Activity Monitor which flashes a blue LED whenever there is a CANBUS message. 1.2 MB

Test Module PCBs

Kit No Kit name Description Filesize Building instructions
9491a Pluggable Switch LCB test Board PCB As used in Kit 491   
9491b Pluggable LED LCB test Board PCB As used in Kit 491   
9492 CANGIZMO PCB     
9493 Bipolar pluggable LCB test Board PCB     
9497 TM7 CANPAN Test Module PCB As used in Kit 497. Replaces Kit 901.7   
990 CANACT PCB     

PMK PCBs

Kit No Kit name Description Filesize Building instructions
9801 PCB for PMK1 PCB for PMK1   
9804 PCB for PMK4 PCB for PMK4   
9804A PCB for PMK4A PCB for PMK4A   
9807 PCB for PMK7 PCB for PMK7 449 kB
9810 PCB for PMK10 PCB for PMK10   
9815 PCB for PMK15 PCB for PMK15 (Rev 2)   
9818 PCB for PMK18 PCB for PMK18   
9822 PCB for PMK22 PMK22 can be used for spot detection or for a longer section.   

CBUS Beginner's Packs

Kit No Kit name Description Filesize Building instructions
101A Beginners Kit 101A Beginners kit using updated 12V modules comprising CANOUT, CANINP, LCB Connector Board, LCB Test kit and 12V DC PSU, plus additional components.   
102B Beginners Kit 102B Beginners kit using updated 12v modules comprising CANVServo, CANGizmo, CANUSB4 and a servo.   

Pocket Money Kits

Kit No Kit name Description Filesize Building instructions
4801 PMK1 - Track Tester Checks for Track Power - Works with DC and DCC. 243 kB
4804 PMK4 - Simple Shuttle Uses your DC supply to automatically move a loco back and forth along a stretch of track. 385 kB
4804A PMK4a - Shuttle Add-on Add-on for PMK4 Simple Shuttle to operate a turnout. Replaces Kit 804A   
4807 PMK7 - DCC Train Detector For DCC only. Takes its power from the track. 561 kB
4810 PMK10 - Speed Controller A basic motor speed controller or variable voltage source. 350 kB
4815 PMK15 - Train AutoStop A simple module that stops a train at any chosen point, controlled by the output of one or more train detectors. 713 kB
4818 PMK18 - EzyPoints This is an upgrade to PMP18 which will now be discontinued. It adds a PCB instead of the original stripboard and some additional components for PMK18. 580 kB
4822 PMK22 - Laser Train Detector A versatile train detector that can be used for spot detection or for a longer section. Upgraded version of former Pocket Money Project PMP22 but now with a printed circuit board 425 kB

EzyBus

Kit No Kit name Description Filesize Building instructions
22 EzyBus Output Module EzyBus Output Module using I2C communications and an onboard ATMEGA328P microprocessor instead of the earlier daughter NANO. 643 kB
23 EzyBus Input Module EzyBus Input Module using I2C communications 497 kB
24 AVR/EzyBus Controller Module EzyBus Controller Module using an ATMEGA328P microcontroller as found in the Arduino UNO. 677 kB

DCC Traction

Kit No Kit name Description Filesize Building instructions
144 CANCAB2 RJ22 Curly Lead 3m curly lead as used for CAB2 in Kits 92P and 92E, also suitable for the original CANCAB Kit 92.   
44c Mk1 DCC Handset cable, 2 metres For use with Kit 43 ONLY   
6720 1.27mm Header for CANCAB2 20-way 1.27mm (0.05") pitch header plug as used for CANCAB2   
777 LCD Back lit Display for CANCAB2 Replacement screen for CANCAB2   
7920E Metal Knob for CAB2 Encoder Version Replacement metal knob for the encoder version of the CAB2 (kit 92E). Note: Will not fit the Potentiometer CAB2 version - see kit 7920P.   
7920P Metal Knob and Washer for CAB2 Pot Version Replacement metal knob for the potentiometer version of the CAB2 and also for the original CANCAB. Note: not suitable for the Encoder CAB2 version - see kit 7920E.   
91B DCC Command Station and Mini-Booster with CBUS Interface (CANCMDB) New design powered by 15V DC that now provides a main track output with maximum current capability just over 1A and separate programming track output. Requires one of kit 92(P/E) or a computer through kit 80A and JMRI.   
92E Handset with encoder for MERG DCC Command Station - CANCAB2E New through-hole design with encoder, backlit display and now supplied with a fluted metal knob. For use with kits 91 and 91A, supplied with cable. The use of an encoder eliminates speed matching issues. See Miscellaneous section for holder.   
92P Handset with pot for MERG DCC Command Station - CANCAB2P New through-hole design with backlit display and now with a metal knob. For use with kits 91 and 91A, supplied with cable. See Miscellaneous section for holder.   

Bitz-in-Bag kits

Kit No Kit name Description Filesize Building instructions
236 SD2A Colour Light Signal Driver kit Recrafted from the former SD2-4 kit pack to only one module of component bits in the bag.   

Connector Boards

Kit No Kit name Description Filesize Building instructions
151 LCB Connector Board Suitable for CBUS and PTP-Lite and EzyBus interconnections / breakout. Our PSU Kit 772 can be plugged straight in or kit 779A can be used.   
152 Power Distribution Board 10ch Power Distribution Board for DC/AC or DCC power system busses. supplied with a fuse rated at 1A.   
779A DC Male Socket CLB-JL52 DC 2.1 x 5.5 5A TB socket for SM-PSUs, 2.1mm centre pin. These are suitable for use with Kit 151 LCB Distribution Board   

CBUS Basic

Kit No Kit name Description Filesize Building instructions
28 CANOUT An updated version of our venerable CANACC8 providing 8 outputs   
29 CANINP An updated version of our venerable CANACE8C kit providing 8 inputs   
80A USB Interface (CANUSB4) Interface Module to allow CBUS to be accessed from any computer that has a USB interface and suitable software. 637 kB
94A CANSOL 94A A revised version of the CANSOL solenoid driver kit   

ATC

Kit No Kit name Description Filesize Building instructions
145 Automatic Train Controller 2 (ATC2) - Core Module Kit Updated revision of Kit 45. Will control a simple end-to-end shuttle. See kit 773 for suitable PSU.   
146 ATC2 Ends Provides switching for multiple endpoints to ATC2 Shuttle system - Replacement for former CSR4 Kit 46. Also needed for speed profiling in combination with the Profiles Panel kit 147.   
147 ATC2 Profiles Panel Allows speed profiling for ATC2 for up to 8 locos in combination with an ATC2 Ends kit 146 or MPS kit 148. This kit has the panel and some alternative components and instructions to build the Ends kit as a Profiles kit.   
148 ATC2 MPS Allows extra speed profiling potentiometers (ATC2-Profiles Panel kit 147) to be added to the ATC2 system.Please note this kit contains three surface mount ICs as they are no longer available in through hole packages.   

POSTAGE

Kit No Kit name Description Filesize Building instructions
666 1st Class Postage in Addition to the Standard 2nd Class Request for this order to the UK to be sent by 1st Class Post rather than the standard 2nd Class.