BCR PORT
Intro
All of the KC-85 clones (but not the KC-85 itself) have a BCR (Bar Code Reader) port that conforms to the 9-pin "Undecoded TTL" standard.
Pinout
| ||
|---|---|---|
| Pin# | Signal | |
| 1 | ||
| 2 | DATA | Input, 5v TTL, 0-5vdc |
| 3 | ||
| 4 | ||
| 5 | GND* | N/C on TANDY 102 & 200. N/C on most wands. |
| 6 | ||
| 7 | GND | |
| 8 | ||
| 9 | VCC | +5vdc power output. Crashes machine if you draw more than 60-70ma. |
| Shell | Plastic shell, N/C | |
Compatible Readers
- Radio Shack 26-1183
- Unitech MS1xxA (MS100A, MS120A, MS146A)
- HP HBCS-A008, HBCS-A108, HBCS-A208, HBCS-A308, HBCS-A408, HBCS-A508
- HP HEDS-3000, HEDS-3050
Software
- BARCOD.zip READBC, 3of9, plessy, upc, for Model 100
- Search the M100SIG for "barcode"
BCR-to-USB power tap
https://github.com/bkw777/BCR_Breakout
misc info
http://www.mh-aerotools.de/hp/bc-reader/index.htm
The pdf contains a full schematic of a wand.