Doubleot
15+ Year Contributor
- 2,140
- 383
- Mar 15, 2009
-
Spanish Fork,
Utah
I cut the little piece of rad support so I could mock up my VRSF core, cleaned it up and laid down some primer. Pictures to follow.
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Here's what I did Yesterday.You must be logged in to view this image or video.

Here's what I did Yesterday.
You must be logged in to view this image or video.


"finished" up the controller. the microcontroller this time is a nano paired with a hc-05 bt module on an "adapter" board (adapter since the microcontroller board footprint is based off an Uno).
YouTube
I honestly don't know why I'm still doing this thing.. probably because, despite my job title, this is the only programming I've done in the past 6 months

Is the sequencer controlled by Wifi?
Great now I need to look into more neat things to add to my set up.
I finally have my chassis harness ready to be taped and loomed. Ran the last few wires this am and made my connector pin outs.

Bluetooth using an HC-05 module (with breakout board), connected to the hardware UART on the atmega328 (arduino nano chinese knockoff) via 3.3v TTL on RX (resistor based voltage divider - 100/200 ohm since theres another resistor on the bluetooth module pin further limiting current).
I wanted to do software based serial communication so that the hardware port was free to do text-based debugging output, but I found that with as complicated as the code can be, especially during sequences, the arduino couldn't keep up with even 9600 baud in software and it couldn't communicate reliably with the bt module. This ended up in garbage data "appearing" to be received. Took a while to realize that one
Switching to hardware solved that instantly. Luckily the code is 95% complete so I don't have to worry about needing debug output, really. I'll wing it the rest of the way.
Got my heatsinks for the regulators today. 150x20x6mm for $6. Can't complain; just need to mark, drill, and cut them now.

