Source code for the February 1997 QST magazine article "Build a $60 Talking Repeater Controller."
This is the assembler language source for the microprocessor that runs in that project.
No more printed circuit boards are available for NHRC-2 and many of the components are EOL or unobtanium.
Copyright (C) 1996, Jeffrey B. Otterson, N1KDO.
All Rights Reserved by the author.
This software may be freely reproduced for use by amateur radio operators in their personally owned or club owned radio systems. All other uses are strictly prohibited without the express written consent of the author.
The author maintains all commercial rights to this software. Any sale of this software or derived works is strictly prohibited without the express written consent of the author.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.