Motorola MTR2000 Band Change
One of the interesting things about equipment on the market today is the commonality between different models and bands of radio equipment. In years past, it was just the basic…
CI-V EXTERNAL VFO CONTROL, PART 4
Today, I tackled interrupts. I’m not so sure I tackled interrupts, so much as i worked on determining the dynamic tuning step timing. I needed a routine to wait for…
CI-V EXTERNAL VFO CONTROL, PART 3
well, there’s been some small progress…. I started tinkering with the rotary encoder. I found a great example here: http://www.pjrc.com/teensy/td_libs_Encoder.html one thing, though – encoder.h must be added to the…
CI-V External VFO Control, Part 2
OK, this update won’t have any videos… those will come shortly, so you’ll need to take my word for it. I learned a few things since the last post… so…
Soundcard Interface Update
after much work, I got the VX1700 interface working. It would appear that the connection convention is a bit strange. From the service manual, Data OUT on the Data Jack…
RSSI correlation
One interesting aspect of the BCD-996 and similar radios is the digital command and status protocol. In digging into the software, I learned that there is a RSSI (Relative Signal…
A new take on the generic programming cable
I previously added (as “comments” to my post on RS-232 to TTL cable) the fact that I had purchased some USB to TTL converters, intending to remove the middle man…
A generic radio programming cable
Many years ago, programming the memories in an amateur radio was a “neat” feature. As the capability was included in more radios, the radio manufacturers also began charging a hefty…