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Model Electronic Railway Group

The Leading Society for Model Railway Electronics

Over 50 years of Innovation: 1967-2019

Kits and Supplies

MERG produces a range of kits, for self-assembly, offering a wide range of functionality. These kits are one of the key reasons that people join MERG - only members can purchase them. The kits come with clear and detailed instructions and the MERG membership provides unrivalled support. Available kits are listed below. All the MERG products may be ordered using our online ordering system, available in the Members Area.

NOTE: all prices are shown inclusive of UK VAT

Code Description Price
CBUS 2G Kits
80A USB Interface (CANUSB4)
A new design CBUS to USB interface to allow connection to PCs etc.
10.96
86 CANPiCAP
CBUS to Raspberry Pi connection.
11.46
94 4ch Solenoid Point Motor Driver (CANSOL)
CBUS driver for 4 solenoid point motors, includes CDU.
21.17
96 CANPiZero
A module which interfaces a Raspberry Pi Zero to CBUS. Being prepared for guineapigging.
11.96
96S PiWi Software Pack
Price shown is approximate at the time of writing. This will comprise a MicroSD card written with a Pi Operating system and control application for the CANPiZero Kit 96. Being prepared for guineapigging.
12.00
97 CANPAN Mimic Panel Interface
CBUS Modular Mimic Panel interface allowing up to 32 LEDs and 32 Switches/Pushbuttons.
13.82
98 Multi-Input-Output Module (CANMIO)
A new multi-purpose module now available as the CANMIO-SVO module, an 8ch servo driver.
12.76
Classic CBUS Kits
82 Mimic Panel LED Driver (CANLED)
15.79
83 Mimic Panel Switch Interface (CANACE3)
12.47
84 4ch Pulse Motor Driver (CANACC4)
CBUS driver for 4 solenoid point motors, includes CDU.
17.48
85 4/8ch Constant Motor Driver (CANACC5)
Steady-state outputs for motor-operated turnouts, eg Tortoise
18.74
88 8ch Relay/Accessory Driver (CANACC8)
A 3-kit multipack is now available.
14.03
89 8ch Layout Feedback Interface (CANACE8C)
A 3-kit multipack is now available.
11.70
DCC Kits
59 DCC Booster Kit NB1B
DCC Booster kit that can be configured for either 5A or 10A output. NOTE: WILL NOT WORK ON 12V POWER SUPPLY! See item 774 for suitable 6A power supply.
29.41
57 DCC District Cutout
District Cutout Module
10.93
91 DCC Command Station with CBUS Interface (CANCMD)
Requires one of kit 92 or a kit 80A JMRI
29.40
92 Handset for DCC Command Station with CBUS Interface (CANCAB)
For use with kit 91, supplied with cable. For holder, see Accessories section.
37.63
93H RJ22 Connector kit for Handset kit 92 with horizontal sockets
Additional plug-in points for your hand-held CAB. One of these is included with Kit 91.
4.18
93V RJ22 Connector kit for Handset kit 92 with vertical sockets
Additional plug-in points for your hand-held CAB.
4.81
51 DCC Mimic Panel Accessory Encoder
9.50
52 DCC Accessory Decoder (pulsed outputs)
For solenoid operated turnouts
14.32
53 DCC Accessory Decoder (steady output for constant drive turnouts, eg Tortoises)
For motor-operated turnouts, eg Tortoise
12.92
55 Steady State Accessory Decoder Enhancer
Upgrades kit 53 for higher current motors, eg Fulgurex or Lemaco
5.08
56 8ch DCC only Current Transformer Block Detector, DTC8
23.87
43 Handset for Mk1 DCC Command Station
Not suitable for use with Kit 91. Legacy kit for discontinued Mk1 Command Station kit 42. (While stocks last.)
13.50
PTP-Lite
401 PTP-Lite Starter Kit
Contains components to build 3 PTP-Lite Modules, a Standard Backplane and Address Setter. All you need for a minimum size working evaluation system.
34.86
402 PTP-Lite Module Kit
Contains components to build 1 PTP-Lite Module for growing your Starter Set. Note that Modules must be used in pairs.
7.20
403 PTP-Lite Standard Backplane Kit
Contains components to build a 3-wide Standard Backplane. Can be split into individual units. Will accept up to 3 additional Modules to grow your Starter Set.
6.42
404 PTP-Lite HV Backplane Kit
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.
17.50
409 PTP-Lite Address Setter Kit
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.
8.05
General Kits
36 SD2-4 Quad Colour Light Signal Driver
Drives 2, 3 or 4 aspect signals. NOTE: Signal not included
10.44
37a PD3-1000 Dual Capacitor-assisted Turnout Motor Driver
Fitted with 1000uF capacitors
8.58
37b PD3-2200 Dual Capacitor-assisted Turnout Motor Driver
Fitted with 2200uF capacitors
9.12
45 Automatic Train Controller (ATC) - Basic Shuttle Kit
Will control a simple end-to-end shuttle. See kit 773 for suitable PSU.
23.69
46 Cab Select Relay Kit for ATC Expansion (CSR4)
Provides switching for multiple endpoints to Shuttle system
14.76
47 ATC Bootloader Interface (ABI)
Bootloader Interface Module for ATC Kit 45
17.62
60 5V DC Adaptor Kit
NEW! Reduces a DC source to 5V DC using our U-PSU PCB
2.98
61 Gas Lamp Twinkler
Includes a small PCB and all components to simulate flickering lamps
3.36
68 2ch DC or DCC diode drop Block Detector (Train-on-Track-Indicator, ToTi-2)
New layout! Requires split power supply Kit 69.
4.96
69 ±5V Dual Power Supply Regulator kit for ToTI Kits
New Design! Derives ±5V DC from 12V DC input.
15.36
72A Dual Hector, Infra-red train detector kit
Twin channel infra-red train detector.
8.45
72B Hector Double Sensor Head kit
Twin replacement sensor heads for the Hector infra-red train detector kit 72A.
2.77
75 Servo4
Drives 4 model aircraft servos for turnouts, level crossing gates, semaphore signals, etc. 5-kit multipack available.
6.80
76A ServoSet2, Setting box for kit 75, Servo4
16.07
78 MegaPoints 12 Channel Servo controller
Drives 12 model aircraft servos with superior bounce for semaphore signals, turnouts, level crossing gates, etc.
30.00
78S MegaSetta Remote Set-up Module
Remote set-up for Kit 78 MegaPoints - source your own Cat5 cable.
4.43
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.
17.12
79C Turntable Control Pack
Includes switches, knobs and LEDS for Turntable Controller Kit 79
11.93
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)
6.32
71 Hornby ZERO-1 Keyboard refurbishment kit.
Replacement for the life-expired rubber buttons
10.50
Test Modules
90 CBUS Message Activity Monitor (CANACT)
A CBUS Message Activity Monitor which flashes a blue LED whenever there is a CANBUS message.
3.97
490 LCB Experimenter's Kit
Updated version of the original CANEXP. Now includes parts for testing PTP-Lite Modules as well as CBUS.
9.77
492 CBUS Test Module (CANGizmo)
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
8.66
497 CANTM7 Test Module Kit
Test module specifically designed to test and set up your CANPAN Kit 97.
7.44
SMD Starter Kits
436 SD2 Colour Light Signal Driver SMD
Single channel SMD Version of our SD2 Kit 36. Drives 2, 3 or 4 aspect signals.
3.84
461 Gas Lamp Twinkler SMD
Includes a small PCB and all SMD components to simulate flickering lamps
3.12
Pocket Money Projects
801 PMP1 - Track Tester
Checks for Track Power - Works with DC and DCC.
0.40
802 PMP2 - LDR Train Detector
LDR Detector, works with DC and DCC.
0.88
803 PMP3 - Servo Tester/Controller
Controls the movement of a single servo (sold separately). Ideal for experimentation or testing servos.
1.42
804 PMP4 - Simple Shuttle
Uses your DC supply to automatically move a loco back and forth along a stretch of track.
1.75
804a PMP4a - Shuttle Add-on
Add-on for PMP4 Simple Shuttle to operate a turnout
3.36
805 PMP5 - Logic Probe
Tells you whether a point on a circuit is at 5V or 0V.
0.42
806 PMP6 - 12V Supply
Derives a 12V DC supply from a 15V AC input.
0.70
807 PMP7 - DCC Train Detector
For DCC only. Takes its power from the track.
1.32
808 PMP8 - Multi Purpose Flasher V2
This project has four possible operating modes. Now with welding afterglow!
1.93
809 PMP9 - 4-way Traffic Lights
This kit simulates UK and Continental road traffic lights, producing the correct switching sequence.
3.50
810 PMP10 - Speed Controller
A basic motor speed controller or variable voltage source.
1.33
811 PMP11 - LED Dimmer
Dims a number of LEDs using pulse width modulation.
1.57
812 PMP12 - Random Lights
Switches up to 10 lights on and off randomly.
1.96
813 PMP13 - Lighthouse Simulator
Simulates a variety of UK lighthouses or aircraft warning lights.
1.82
814 PMP14 - Decoder Test Rig
Set up and test DCC decoders.
1.36
816 PMP16 - Turnout Position Sensor
Detects position of your turnouts on DCC.
0.79
817 PMP17 - Automatic Signals
Detects an approaching train andautomatically turn the lights to green for a period until the trainpasses.
1.85
818 PMP18 - EZ Points
Servo control module for your points, set up using only a small screwdriver.
2.58
819 PMP19 - Automatic Coach Lighting
An automatic lighting system where the coach lights only come on when the train is moving.
2.46
820 PMP20 - Versatile Timer
Timer can be set up for long and short events and intervals.
2.02
821 PMP21 - Dual LED Flasher
Flashing lights for emergency vehicles or level crossings.
0.71
822 PMP22 - Laser Train Detector
As described in the June 2017 Journal. Can be used for spot detection or for a longer section.
1.74
823 PMP23 - DCC Reverse Loop Controller
As featured in the March 2018 Journal
3.10
824 PMP24 - Arc Flash Generator
As described in the June 2018 Journal
1.74
825 PMP25 - Steam Sound Emulator
As described in the December 2018 Journal
2.09
826 PMP26 - Event Sequencer
Animated sequences without programming. As described in the March 2019 Journal.
2.14
827 PMP27 - Button Operated Servos
Panel push buttons for servos. As described in the June 2019 Journal.
3.36
899 PMP99 - Hall Effect Sensor Pack
Pack of 5 off DRV5033 Hall Effect Sensors with 10k pullup resistors and decoupling 100nF ceramic capacitors. Hall Effect Sensor as found in PMP24 Arc Flash Generator kit, also suitable for PMP23 and many other kits.
3.13
RFID Kits
30 RFID Mk2 Starter Kit
The contents of this kit are sufficient to yield a fully working single channel RFID detection system with 2 tags. Supplied complete with an ID12LA reader and two 12mm tags.
35.88
33 RFID Concentrator Upgrade Pack
Kit contains components to upgrade the Mk2 Starter kit to an 8ch Concentrator.
5.48
31 RFID Mk2 Reader PCB Kit
PCB and support circuitry suitable for either ID12LA or ID20LA readers. Readers and tags are now available for purchase directly from the CoreRFID online shop ( www.rfidshop.com )
1.80
Multipacks
88M CANACC8 - 3 kit Multipack
38.87
89M CANACE8C - 3 kit Multipack
32.51
75M Servo4 - 5 kit Multipack
30.19
Servo Mounts
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.
7.56
682 Point Motor - Horizontal Kit
Contains 6 plastic parts to convert 6 point motor servo kits (681) to horizontal operation (red parts only).
1.86
683 Microswitch Pack
Pack of 12 lever type microswitches with mounting nuts and bolts suitable for Kit 681 Point Motor Servo Mount.
7.68
684 Single Arm Semaphore Mount
3D printed servo mount for single arm semaphore signal. Suitable for 9g servos.
1.50
685 Double Arm Semaphore Mount
3D printed servo mount for double arm semaphore signal. Suitable for 9g servos.
1.50
686 Quad Arm Semaphore Mount
3D printed servo mount for quad arm semaphore signal. Suitable for 9g servos.
2.33
687 Removable Mount for Semaphore Mounts
Adds removable mount for five of kits 684, 685, and 686.
3.46
688 Magnet Pack for Demountable Kit
Pack of 10 super-magnets for use with Demountable Kit 687.
2.26
689 Colour Light Signal Mount Kit
3D printed mounts for five colour light signals (signals not included).
4.32
690 Level Crossing Gate Servo Mount
3D printed servo mount for vertical shaft. Designed for 9g servos.
1.09
Power Supplies
771 5V 3.0A 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.
11.53
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.
13.56
773 15V 3A DC Power Supply
Switched Mode Power Supply suitable for the ATC/Shuttle kits and most Classic CBUS. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead.
12.66
774 15V 6A DC Power Supply
Switched Mode Power Supply suitable for the 5A DCC Booster. Includes 2.5mm DC power socket. Source your own 'Mickey Mouse' mains power lead.
26.87
776 18V 3.6A DC Power Supply
Switched Mode Power Supply suitable for powering SuperBloc and CANCMD kits. Includes 2.1mm DC power socket. Source your own standard Fig 8 mains power lead.
16.01
CBUS PCBs
980A CANUSB4 I/F PCB
As used in the new Kit 80A
1.50
982 CANLED Panel LED Driver PCB
2.24
983 CANACE3 Panel Sw I/F PCB
2.06
984 CANACC4 Twin Coil Driver PCB
2.03
985 CANACC5 Steady State Driver PCB
1.86
986 CANPiCAP PCB
PCB for the forthcoming CANPiCAP kit 86
1.68
987 CANServo8 8ch Servo Driver PCB
2.45
988 CANACC8 Relay/Accessory Driver PCB
1.31
989 CANACE8C 8ch Layout Feedback Interface PCB
0.78
994 CANSOL Twin Solenoid Driver PCB
As used in the new CANSOL Kit 94
1.54
996 CANPiZero PCB
PCB for the forthcoming CANPiZero kit 96
1.57
997 CANPAN Mimic Panel Interface PCB
As used in the new CANPAN Kit 97
1.37
998 CANMIO Multi I-O PCB
Pete Brownlow's design for the new CANMIO Kit. Daughter boards can be obtained directly from Pete himself.
0.94
993 RJ22 Handset Connector Kit PCB
0.65
993A CANACTOUT PCB
Pete Brownlow's combined CANACT and CANRJ22 CAB plug-in.
1.20
982.1 CAN Relay 16 PCB
Supplied as a bare board - Programmed PIC available as item 750P
3.53
980 CANUSB USB I/F PCB
As used in superseded Kit 80 (Mike Bolton's Design)
2.05
981 CANRS RS232 I/F PCB
This kit is discontinued
2.05
DCC PCBs
951 DCC Accessory Encoder PCB
2.52
953 DCC Accessory Decoder (S/S) PCB
3.78
954 Accessory Encoder CPU I/F PCB
1.99
956 DTC8 DCC Block Detector PCB
For the original DTC8 kit 56
2.94
957 DCO DCC District Cutout PCB
1.10
952 DCC Accessory Decoder (P) PCB
1.57
958 DCC ToTI 8 PCB
8-channel DCC ToTI PCB designed by Trevor Stockill as featured in the Spring 2013 Journal
1.99
959 NB1B DCC Booster PCB
3.22
991 CAN-CMD CBUS DCC Command Station PCB
1.66
992 CAN-CAB CBUS DCC Handset PCB
1.69
992T CAN-CAB CBUS DCC Handset TH PCB
Through-hole design by Les Gregory as featured in the December 2017 Journal
2.94
Test Module PCBs
901.4 TM4 CANLED Test Module PCB
1.87
901.5 TM5 CANACE3 Test Module PCB
2.68
901.7 TM7 CANPAN Test Module PCB
1.28
9492 PCB for CANGIZMO
1.46
PMP PCBs
9807 PCB for PMP7
PCB for our PMP7.
0.20
4818 PCB Kit for PMP18 - EZ Points
Comprises PCB and additional components for PMP18.
1.92
4822 PCB Kit for PMP22 - Laser Train Detector
Comprises PCB and additional components for PMP22.
0.72
Other PCBs
920 U-PSU Universal Regulated Power Supply PCB
1.61
921 U-RLY Universal Relay Mounting PCB
Brand new design for December 2016. PCB only, relays shown as examples.
1.91
930 RFID Starter Kit/Concentrator PCB
1.70
931 RFID Reader PCB
0.62
936 SD2 Signal Driver PCB
Single PCB as used in Kit 36 SD2-4
0.58
937 PD3 Point Driver PCB
1.08
938 SuperBloc BC3 PCB
1.60
945 ATC PCB
1.78
946 CSR4 PCB
1.74
961 Gas Lamp Twinkler PCB (TH)
For through-hole kit
1.24
962 ToTI-4 PCB
1.99
968 PCB for 2Ch ToTI Kit 68
1.14
969 PCB for Split PSU Kit 69
1.07
972A Dual Hector PCB
1.46
975 Servo4f PCB
As used in Servo4 Kit 75
0.49
976A ServoSet2 PCB
As used in ServoSet2 Kit 76A
1.68
977 Servo1 PCB
See kit 750SMP for programmed PIC - uses surface mount components
1.80
979 Stepper Motor Turntable Controller PCB
See kit 761P for programmed PIC
1.46
PICs
540 PIC16F628A Microcontroller
Blank Programmable Micro-controller as used in DCC and RFID kits
1.55
752 PIC16F676 Microcontroller
Blank Programmable Micro-controller as used in the Servoset kit 76 and some PMPs
1.72
753 Blank 16F1503 Microcontroller
As used in Dual Hector
0.72
753P Programmed 16F1503 Microcontroller for Dual Hector
Firmware for Dual Hector
1.92
745 Programmed 16F883 Microcontroller for ATC
Firmware for ATC
1.64
754 PIC18F2480 Microcontroller
Blank Programmable Micro-controller as used in CBUS kits. Price increase due to exchange rate drift!
4.54
754SMP Programmed SM PIC18F2480-I/SO for CANCAB Module
Surface mount component
4.32
756P Programmed 18F2580 Microcontroller for CANCMD
Now with V4d firmware
5.59
767 Preprogrammed PIC18F14K50 for CANUSB4
2.34
761 PIC18F2420 Microcontroller
Blank Programmable Micro-controller as used in Stepper Motor Turntable Controller
3.47
766 PIC18F25K80 Microcontroller
Blank Programmable Micro-controller as used in 2nd Generation CBUS kits
2.22
532 18F4220 PIC (Blank Programmable Micro-Controller)
4.82
750P Programmed PIC12F683 for CANRLY16
Programmed Micro-controller for CANRelay 16 PCB item 982.1
2.30
750SMP Programmed PIC12F683 for Servo1
Surface mount component
2.22
ICs
755 MCP2551-I/P CAN Transceiver
Through hole item - as used in Classic CBUS Kits
0.65
755SM MCP2551-I/SN CAN Transceiver for CAN-CAB Module
Surface mount component as used in kit 92 CANCAB
0.66
756 MCP2562-E/P CAN Transceiver
As used in some CBUS-2G Kits
0.73
539 STP16CL596B1R LED Driver
As used in CANLED Kit 82
2.16
Tools
793 26SWG Solder
Nominal 5m length of Tin/Lead/Silver 26SWG solder especially for SMD work.
1.27
794 Bending Jig
This simple tool makes bending leads of axial components simplicity itself. Priced each - colour may vary.
1.27
795 Track/PCB Cleaner block
Priced each
3.92
Miscellaneous
673 CAB Holder
Laser-cut MDF fret to make a holder for your CANCAB.
5.65
676 Uses CBUS Label
A loyalty plaque for CBUS aficionados (70 x 45mm)
1.00
677 CBUS Free Zone Label
An alternative plaque for those of us who don't use CBUS (70 x 45mm)
1.00
678 RJ22 Twin Faceplate
A face plate (69 x 44mm) for your CANRJ22H/V plug-in points. Picture shows alternate legends printed each side. Priced each.
0.80
679 MERG Publicity Label
Our original publicity plaque (70 x 45mm) to display on your layout
0.92
763 Pre-cut Handset box for CAN-CAB Kit 92
Fully prepared as supplied in CAB Kit 92
6.70
764 Label fascia for CAN-CAB Handset Kit 92
As supplied in CAB Kit 92
4.18
6720 1.27mm Plug and Socket set for CANCAB
15-way and 3-way 1.27mm (0.05") pitch header plug and socket set as used for CANCAB. Supplied as 20-way, cut as required.
1.06
498 Voltage Detector Dongle Kit for CBUS
Prevents firmware corruption on some CBUS 2G kits at power-down. Designed to slot onto the module's ICSP header for normal operation.
1.06
Clothing
Offers
693 2 way 5mm 12A Free Plug
0.48
1005 Box of 1000 2k7 0.25W Metal film resistors
6.00
725 10k Log Switched Potentiometer
PCB mounting - pins are on a 0.1" matrix. 4mm shaft. Supplied as seen.
1.00
1003 TIP127 PNP Power Darlington
0.30
1001 MOSFET FQP27P06
P-channel MOSFET
0.90
6803 3 way Molex-type housing (to make up crimp sockets)
Requires item 6800 to complete.
0.02
6903 3 way Molex-type PCB header
0.07
6805 5 way Molex-type housing (to make up crimp sockets)
Requires item 6800 to complete.
0.08
6905 5 way Molex-type PCB header
0.17
6910 10 way Molex-type PCB header
0.30
6815 15 way Molex-type housing (to make up crimp sockets)
Requires item 6800 to complete.
0.17
6915 15 way Molex-type PCB header
0.36
1002 KB844 Opto-isolator (Tube of 10)
Offered in tubes of 10 items. These are the 4-channel version of the KB814 used in several kits. They are no longer manufactured.
6.00
1011 D9 Solder Bucket Socket
0.24
1013 D25 Solder Bucket Socket
0.24
1020 6P6C R/A Connector
As used in Mk1 DCC Handset Kit 43
0.12
RFID Components
32d RFID Innovations ID20LA RFID Reader
Uses the PCB Kit 31, which is available separately. New lower price to clear. Will be discontinued in the Kit Locker as is now available online
22.20