Uploaded January 2024 | Updated September 2026, 3 weeks ago

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This video covers getting the new helm control working to the point that it's outputting the expected voltages based on the (very janky!) prototype throttle inputs! There's a little work on the seventh battery, but that will get sorted out in the next video.

-=] References
@ELECTRONOOBS
* youtube.com/watch?v=SgPbzAWIwlk
@EngineeringMindset
* youtube.com/watch?v=Xb-MZMoUtcQ
* Mermaid’s Rest Github Repo
* github.com/digimer/Mermaids-Rest

-=] Parts;
Seeeduino Nano 102010268
* digikey.ca/en/products/detail/seeed-technology-co-ltd/102010268/10290292
Spectra Symbol Softpot Rotary 10 kOhm
* digikey.ca/en/products/detail/spectra-symbol/SP-R-0046-353-103-3-MP/17051027
Adafruit MCP4725 12-bit DAC
* digikey.ca/en/products/detail/adafruit-industries-llc/935/4990759

-=] Channels that have Helped Me;
* @ProjectBrupeg
* @OffGridGarageAustralia
* @AcornToArabella

-=] Chapters
0:00 - Intro and Overview
0:35 - Getting Started with the Arduino
3:25 - What the Kelly Control Expects
4:17 - Limited Potentiometer Range
6:32 - Running the Simplest Sketch
8:17 - Reading the Potentiometer Value
9:16 - Getting the DAC Working
9:59 - Finding the Usable Pot Range
13:25 - Pot Steps to DAC Steps
16:11 - Analog Pot Input to Voltage DAC Output
17:24 - Testing Arduino to DAC Output
18:26 - Initial Success!!
18:58 - OK, Not a Perfect Success…
21:38 - A Future Kitty Interlude
22:32 - Rebuilding the Original 48v Battery
23:55 - A Terrible Prototype for Better Debugging
24:51 - Back to the Seventh 48v Battery
27:46 - Debugging the Throttle Input
31:57 - Better Maths! Perl to the Rescue
33:16 - Open Source, Code on Github
34:43 - Testing the Better Math, New Bugs
39:10 - Back to the 80s!
40:35 - More Bugs Fixed; Variable Typing
42:02 - Madi Explains Code Badly
44:18 - A Working Demo!
45:05 - The Importance of Output Ramping
47:07 - What’s Next? And a Gift!