Due to personal situation, GCA is moving.
More will be published in short time here.
For that reason we cannot take any orders until medio june 2022.

LocoNet® IO and LBuffer hardware by PhG.

• GCA50 LocoNet 16 ports unit based on PIC16F873A
• GCA50a LocoNet 16 ports unit based on Arduino Nano
• GCA500 LocoNet 16 ports unit with RJ12 connectors
• GCA51 LocoNet 2 x RFID + 8 Input Ports unit
• GCA85 LocoBuffer-RS232
• GCA91 LocoNet Patch Panel
• GCA101v2 LocoBuffer-Ethernet
• GCA123 16 button loconet switch board
• GCA124-8 LocoNet loc controller with 8 Function keys
• GCA141 Wheel counter
• GCA185 Arduino UNO LocoNet shield

CAN based hardware by RV & PHG.

• CAN-GCA Overview
• CAN-GC1 RS232/USB PC interface with 3 Amp power supply.
• CAN-GC1e V2 Ethernet PC interface.
• CAN-GCLN LocoNet Bridge.
• CAN-GC2 Universal 16 port I/O.
• CAN-GC2a Universal 14/16 port I/O with Arduino nano
• CAN-GC2G Multifunctional I/O.
• CAN-GC3 DCC Command Station with PT and ORD-3 connector.
  • ORD-3 3A Booster
• CAN-GC4 RFID Concentrator.
• CAN-GC5 Mobile keyboard and display. (CANCAB V2)
• CAN-GC6 4 Channel Servo Controller.
  • GCA137 Relay board
• CAN-GC7 Fast Clock.
• CAN-GC8 Display driver for dynamic text.
• CAN-GC12 16 key remote control for turnouts and signs
• NEW !! PICAN_01 Combination of CAN and RocNet via Raspberry Pi
• CAN-ter Patchpanel for handheld CAN units

“Raspberry Pi" is a trademark of the Raspberry Pi Foundation.

• GCA-Pi01 Rasberry Pi HAT (Hardware Attached on Top
• GCA-Pi02 32 bits I/O board
• GCA-Pi03 16 channel PWM board (Servo's, LED-Signals, …)
• GCA-Pi04 RocMouse Discontinued
• GCA-Pi05 G-Scale Loc-decoder Discontinued
• GCA-Pi06 5V 3A Power Supply
• GCA-Pi07 Transformer current sensor Discontinued
• GCA-Pi08 16 x 40V / 100mA output module
• GCA41 Arduino Nano shield RFID RC522 interface
• PICAN_01 Combination of CAN and RocNet(GCA_PI01)**

• GCA41 Arduino Nano shield RFID RC522 interface
• GCA51 LocoNet® 2 x RFID + 8 Input Ports unit
• GCA185 Arduino UNO LocoIO shield
• G-ASH02 shield for 32 I/O with Arduino Mega (also in combination with DCC++ power driver shield)
• Multi colour led control with Arduino nano

• WIO_01(v2) : General I/O, Servo, LED, RFID, Display, Sensor, RailCom
• WIO_02(v2) : RCAN/MBUS/USB/WIFI General I/O, Servo, LED, RFID, Display, Sensor, RailCom
• WIO_03 : compact multi I/O unit
• WIO Rocrail system clock with 100mm display's also useable as standalone clock
• WIO_Control: WiFi Throttle
• WIO_CAN: MBUS/RCAN WiFi Interface
• WIO_Drive: compact DCC-CS and Mobile
• WIO_Boost: DCC CS
• WIO_Prog: DCC CS with extra H-Bridge for Programming Track. (Service Mode)
• WIO_Prog2 : DCC central station with programming track / CAN / RocNet . Output 2 x 3,5 Amp.
• WIO-VC-1: DCC CS high power up to 20A
• WIO_T1: Large scale turnout driver with 4 digital inputs.
• WIOPi_01 Wireless drive with Raspberry-Zero
• GCA214 RailCom reader
• RFID reader ID-12LA

• GCA174 DCC / Motorola Interface for GCA145
• GCA174mr Märklin/Fleischmann/Lenz TT simulator/interface for GCA145
• G-ASH03 DCC / Motorola servo/output decoder (= MARDEC)

• GCA_LM2 Serial Programmable Leds (SPL in Rocrail) Octal Led controller

Input- output extensions for GCA50(0), CAN-GC2, GCA_PI02 and WIO by GCA.

• Overview
• GCA01 Connector board for modules
• GCA08 Universal 1-3 Amp switching power supply
• GCA09 extra supply for LocoNet and CAN networks
• GCA21 Reverse loop-switch for heavy load.
• GCA41 Arduino Nano shield RFID RC522 interface
• GCA76 8 port extension driver for turnout coils > 0,5A
• GCA77 8 port extension driver for turnout coils <0,5A
• GCA78 8 port extension driver for ac switching turnout coils max 2Amp
• GCA86 slow dimming LED signal extension
• GCA93 8 port current detector with signals
• GCA94 8 port current detector with current transformers, for higher currents and lower powerloss..
• GCA98 EDits to DDX interface
• GCA100 polarity switch
• GCA102 Reverse loop switch with turnout control
• GCA107 Relay board extension
• GCA115 Stand alone servo driver
• GCA116 Bascule bridge lifter
• GCA120 Heavy load relay unit
• GCA122 Reversal switch
• GCA125 Extension for 8 motor- or single coil powered turnouts
• GCA126 Extension for Motor powered turnouts with feed-back
• GCA127 Extension for indication with 8 or 16 Leds
• GCA128L Switch / pushbutton test-unit for GCA50/CAN-GC2/GCA_PI02/GCA_PI03
• GCA129 Multi led indicator interface
• GCA133 Quadruple infra red gate or reflection sensor
• GCA136 4 servo driver (with feed-back) and attachable relay board
• GCA137 Relay board for GCA136 and CAN-GC6
• GCA139 Genli like interface RS232 to Xpressnet
• GCA141c Sensor board for GCA133 and GCA141
• GCA145 Turntable / Fiddleyard controller
• GCA146 Manual control for GCA145
• GCA149 Supplemental relay voor GCA145 for Scale 0, G and 1
• GCA168 Böhler WA2 extension with feed-back and frog/center high current switch
• GCA173 Hall-sensor and/or reed-switch input unit
• GCA174 DCC/Motorola decoder
• GCA174MR Decoder for Märklin/Fleischnmann Turnout simulation
• GCA179 isolated hall-sensor and reed-switch input unit → Recommendation for outdoor/garden layouts.
• GCA180 relay extension unit for standard Tuntable control
• GCA186 railroad crossing controller
• GCA186-2 railroad crossing controller with adjustments options
• GCA187 Signal aspect processor
• GCA189 Rail power relay board for fiddle yard
• GCA189-b Main power relay board for fiddle yard
• GCA190 Interface with 8 IR reflection gates for mounting between track sleepers.
• GCA202 Stepmotor controller for 28BY J-48 motor
• GCA204 Railcom display
• GCA214 Loc Identification Receiver for WIO system
• GCA215 Stand alone stepmotor controller for turnouts and mechanical signs
• GCA-RFID support pcb for ID-12(LA) rfid sensor

In the GCA collection there are many sensors available.
Most of them are already mentioned in the extension units.
These sensors are :

• current detection with built in fuses
• current detection wih zero loss power and high current option
• ground detection, specially made for Märklin three rail
• hall sensors
• active infrared sensors
• RFID sensors
• train detection system

• ORD-VC-1 Adjustable booster from 1,6 to 25 Amp, railcom compatible, CDE(lenz) compatible
• ORD-3, 3 Amp booster, with regulated and adjustable power
• ORD-3-rc, 3 Amp booster, like previous, but railcom and CDE(lenz) compatible.
• ORD-20, 20 Amp booster also adaptable to RS232, USB, CDE(Lenz)

All boosters above are also compatable to be used with LocoNet Railsync.

• GCA204 Independant Loc Identification Receiver with display, found on Paco's Official Website
• GCA214 Loc Identificatiion Receiver for WIO system |

• GCA202 driver board for 28BYJ-48 stepper motor

• GCA servo support ServoSet

• GCA173 Hall-sensor and reed-switch solution

• MiniPro
• PICADAP4 The adapter for connection of PICPROG3 to GCAxxx and CAN-GCx boards

• GCA82 4 servo Motorola decoder/driver
  
• GCA174 DCC / Motorola Interface for GCA145
  

Optional hardware for the software command station DCC232.

• ORD-3 driver, 3 Amp booster, with regulated and adjustable power, also adaptable to LocoNet Railsync
• S88 GenHSI (Paco)
• GCA98 interface DDX to Edits booster

General DCC decoders based on OpenDCC.

• ORA-1 accessory decoder
• ORA-2 accessory decoder
• ORM-1 motor switch adapter
• GCA174 DCC / Motorola Interface for GCA145
  

• ORXJ-1 Xpressnet Junction
• GCA139 Xpressnet to PC interface (copy of GenLi)

State of the art car illumination.

• GCA_LM2 Serial Programmable Leds (SPL in Rocrail) Octal Led controller
• BS-1 Universal Led flasher with many -selectable- flashing programs
• Coach Car
• Dutch traction unit "HondeKop"
• Multi colour led control with Arduino nano
• GCA86 dimming interface for 8 leds, to be connected to GCA50/CAN-GC2/GCA_PI02

• GCA140 Standalone controller for cummuter train with extra stops option

• CTC with LNet, CAN or RocNetNode