The following pages and posts are tagged with
| Title | Type | Excerpt |
|---|---|---|
| MRCS-ATSN | Page | Dispatcher/Operator Telephone board / Electronic Speech Telephone Network board (ASTN) |
| MRCS-Candlestick-Mic | Page | An electret replacement for a telephone headset carbon mic |
| MRCS-Morse-Code-Buzzer | Page | Morse Code Buzzer Board |
| MRCS-RelayBreakout | Page | Breakout for OMRON style DPDT relay |
You are free to download these files and make your own boards, or you can purchase bare boards or assembled and tested product from Model Railroad Control Systems.