View source for 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==
{| class="wikitable" style="text_align: center;"
|-
!colspan="3"|[[File:DE9M_pin_numbers.png|300px|]]
|-
! 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==
:[https://archive.org/details/trs-80-bar-code-reader-manual Radio Shack 26-1183]
:Unitech MS1xxA (MS100A, [https://www.ute.com/en/products/detail/MS120 MS120A], MS146A)
:HP [[Media:HBCS-A000.pdf|HBCS-A008, HBCS-A108, HBCS-A208, HBCS-A308, HBCS-A408, HBCS-A508]]
:HP [[Media:HEDS-3000.pdf|HEDS-3000, HEDS-3050]]

==Software==
:[[Media:BARCOD.zip|BARCOD.zip]] READBC, 3of9, plessy, upc, for Model 100
:[https://github.com/search?q=repo%3ALivingM100SIG%2FLiving_M100SIG%20barcode&type=code 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<br>
The pdf contains a full schematic of a wand.