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inital results on error correction

While I have yet to actually implement the full-scale error correction as I want to, I did some manual tests today. I basically took a track that I was erroring out on, and swapped in 1-bit away values for the bad bytes.  In some cases, it appeared...

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Using a 74HC132E to square up the wave

A nice gentleman from sci.electronics.* newgroup suggested I use a 74HC132 on his web page here.[local copy] Below is the result of using this design, it worked perfectly. Only required one IC, one resistor, and one...

SX code

Ok so I’m using SX/B, which is BASIC for the SX. Even if you’ve never touched SX/B, it reads very easily, anyone who knows the PIC or other mcu should understand….. Here’s the logic behind the...

added byte-sync to my transfer routine

Well, after much thought, pondering, and discussion with David, I finally implemented a working byte-sync routine to my SX software. I don’t have it fully working with the PC side software yet, because this...

FPGA eval board

One of these arrived today.  Very cool.  I’ve only done minor things with it so far — but I’m learning. I’ve got FPGAs by Example for Verilog coming within a couple days.  Looks like a good book...

PCB ordered from Seeed Studio

I placed the order late last night for the PCB! The PCB design is obviously finished, fully passes the kicad DRC checks, the problems with the footprints were solved. I’ve decided to go with Seeed Studio’s...