The following pages and posts are tagged with

TitleTypeExcerpt
AD4DA-LightUI Page 4x slide potentiometers for use with I2C-AD4DA.
ATEM-Tally-Camera-Light Page Part 2 of a RFM69-based BlackMagic ATEM Tally Light system - On Camera Light
ATEM-Tally-SDI Page Part 1 of a RFM69-based BlackMagic ATEM Tally Light system - ATEM SDI Interface
Adapter-CMRI8-RJ45 Page CMRI Breakout8 Adapter RJ45 to 0.100, 3.5mm and 0.156 Molex
Adapter-IO4-Breakout Page RJ12/6 breakout board, inline IO4-IO4 probe
Adapter-IOX-test Page MRCS IOX-16 Test Fixture
Adapter-RJ45-SignalHead Page RJ45/8 breakout board, for driving signal heads from IOB-Signal
Brakeman Page An electronic DCC-track-driven figurine with a red or blue LED
Bunza_DCC_Decoder_3PJ Page GBunza DCC Decoder v3PJ
CAN-Bus-Interface Page CAN Bus driver for OpenLCB
CMRI-Bus-Interface-L Page RS422/485 driver for CMRI-Net - large 3" Tyco rail size
CMRI-Bus-Interface Page RS422/485 driver for CMRI-Net
CP_Watsonville_Mid-Model Page Model Board for CP Watsonville Middle yard - Maintainer Sevice Panel
CP_Watsonville_South-Model Page Model Board for CP Watsonville South - Maintainer Sevice Panel
Core-ESP32 Page Core Field Unit Processor board using an ESP32 Dev Board with Wifi, BLE and a small OLED screen
Core-Locobuffer Page Standalone "locobuffer-style" Loconet interface with I2C expandability using the USB capability of an Arduino Pro Micro
Core-ProMini Page IO4-based Arduino ProMini baseboard
Core-Wemos Page IO4-based ESP8266 Wemos D1 Core Field Processor board with WiFi and I2C
I2C-23017 Page MCP23017 IO Expander with 4x IOB daughterboard connections
I2C-7311 Page I2C MAX7311/7312-based IO Expander with 4x IOB daughterboard connections
I2C-7313-cTc Page I2C MAX7313-based IO Expander cTc Wiring Harness
I2C-8574-cTc Page I2C PCF8574-based IO Expander cTc Wiring Harness
I2C-8574 Page I2C PCF8474-based IO Expander with 4x IOB daughterboard connections
I2C-9555 Page I2C PCF8474-based IO Expander with 4x IO4 connections
I2C-9685-PWM Page I2C 16 channel PWM Driver based on a PCA9685
I2C-AD4DA Page I2C 4x A/D 1x D/A I/O expander based on a PCF8591T
I2C-Codeline-Matrix Page I2C Slave - Codeline Matrix - DFRobot ProMini with 2x 8x8 LED Matrixes for displaying CodeLine packet content
I2C-Expander Page I2C PCF9555 / or / MCP23017 -based IO Expander with 4x IOB connections
I2C-LEDStripDriver Page WiFi/I2C LED Strip Driver based on a PCA9685
I2C-SignalTestJig Page Test Jig for simple signal panels
IO4-Codeline-Matrix Page IO4 interface for 2x LED Matrix displays (not for I2C expander ports)
IO4-DCC-Booster Page IO4 DCC Booster
IO4-IR-Detector-Active-Fingers Page Active IR Detector subassemblies made to look like N or HO scale ties.
IO4-IR-Detector-Active-Mount Page Mounting adapter for active IR detector remote sensor
IO4-IR-Detector-Active Page IO4 Quad IR Occupancy Detector
IO4-IR-Detector-GBunza-Fingers Page IR Detector subassemblies made to look like N or HO scale ties.
IO4-IR-Detector-GBunza Page IO4 Quad Optical/IR Detector baseboard
IO4-LED-Strip-Driver Page PWM Driver board for high current LED strips
IO4-QuadAnalogSwitch Page Quad Analog switch - 16 inputs to 4 A/D lines
IO4-QuadOD Page IO4 Quad Detector for DCCOD and CPod detector cards - hardwired, IO4 or WeMos/WiFi connected
IO4-SignalDriver-Small Page IO4 Output adapter driver for a 2-head signal mast
IO4-SignalDriver Page IO4 Output adapter driver for a 2-head signal mast
IO4-Turtle Page IO4 Tortoise driver with occupancy and point position feedback
IOB-Adapter-Minimal Page IOB Adapter - minimal pass through
IOB-Baseboard Page IOB Baseboard - wiring termination and I2C / Power bus management
IOB-I2C-MAX731x Page IOB I2C MAX7311/7318 based IO Expander
IOB-I2C-MCP23017 Page IOB I2C MCP23017 based IO Expander
IOB-I2C-PCA9685-PWM Page IOB I2C PCA9685 PWN driver
IOB-Inputs Page IOB interface provides 1x IO4 port with 4x Input i/o lines.
IOB-LED-Monitor Page IOB LED Monitor daughterboard
IOB-Outputs Page IOB Interface provides 1x IO4 port with 4x open drain output i/o lines.
IOB-RR-CirKits Page IOB Interface with an 8-bit RR-CirKits-style 2x5 (10-pin) ribbon cable connector
IOB-Signal Page IOB Interface drives 2x Signal Heads via a RJ45/8 connector.
IOB-Turtle Page IOB Interface provides 1x IO4 port for connection to an IO4-Turtle
IOB-Generic Page IOB interface provides 1x IO4 port with 4x generic (hardwired) Input or Output i/o lines.
LocoShield Page An electrical interface to Digitrax Loconet
Loconet-QuadOD Page LocoNet Quad Detector baseboard
MRCS-12v-power-block Page Power distribution block for cTc controlled locked turnouts
MRCS-ATSN Page Dispatcher/Operator Telephone board / Electronic Speech Telephone Network board (ASTN)
MRCS-Adapter-RJ11 Page MRCS - RJ modular Headset connector breakout board
MRCS-BBProMini Page A ProMini in a BBLeo form factor for use on MRCS cpNode
MRCS-Candlestick-Base Page Wiring base for MRCS-Candlestick-Mic electret carbon mic replacement
MRCS-Candlestick-Mic Page An electret replacement for a telephone headset carbon mic
MRCS-MSS-Detector-Crossover Page Modular Signaling System Crossover board cpOD-M
MRCS-Morse-Code-Buzzer Page Morse Code Buzzer Board
MRCS-Optical-Detector Page Ambiant light optical detector based on GBunza DAPD with Chubb style hysteresis
MRCS-PCR-Clinic Page MRCS-PCR-Clinic
MRCS-RelayBreakout Page Breakout for OMRON style DPDT relay
MRCS-cpNode-ProMini Page Arduino ProMini based CMRI node in 2.71" form
MRCS-cpNode-Wemos Page cpNode (2.7" Tyco Rail) processor for MRCS CMRI applications
MRCS-cpNode Page Arduino based CMRI node
MRCS-odTester Page A simple bench test board for Chubb\'s DCC-OD and MRCS\' cpOD detectors.
OBS-buttons-buttons Page Buttons Board for Arduino Keyboard Box
OBS-buttons-panel Page Panel for Arduino Keyboard Box
OBS-buttons-processor Page Processor Board for Arduino Keyboard Box
PCR-Badge-2015 Page PCR-Badge-2015
RFID-RC522-Wemos Page RFID reader based on RC522 module with Wemos and LCD
RailroadShield Page Arduino shield with various DCC Cab Bus and control interfaces
RealSignalDemonstrator Page Schematic for discrete wiring of a railroad signal head using an ATTiny and relays
SVL-AuxiliaryPower Page SVL Aux Power - local distribution panel
SVL-Light-It-Base Page SVL-Light-It-Base
ShowMeShield Page Arduino IO pin LEDs on wings
SignalMast-ColorLight-DualHead Page Low cost Signal Mast - single high head Color Light - N scale
SignalMast-ColorLight-Dwarf Page Low cost Signal Mast - single high head 3-lamp Color Light - N scale
SignalMast-ColorLight-SingleHead Page Low cost Signal Mast - single high head ColorLight - N scale
SignalMast-Searchlight-SingleHead Page Low cost Signal Mast - single high head Searchlight - N scale
TechWomen Page TechWomen STEM board