Eelco | Oct. 17, 2024

Excellent clone, even fits a Grayscale panel

For Grenar, a throughhole version of the MI Branches

Not too many components, just the order in which you solder things needs some thought, especially with a shrouded power header. Anyway, all doable!
One question: in the original design there are no 100k trimpots, just 100k resistors. What can be tweaked with these trimpots, and how? To get the original, one can just trim them all the way to 100k, but there must have been an idea behind adding these trimpots?

EDIT: the answer is in the video: these were inserted in order to not have to change the code ... setting the trimpots is not obvious but a matter of trial-and-error, I guess.

Response from Sourcery Studios | Oct. 18, 2024

I rely quite heavily on people to "build it with me" with the video as a companion, so most tips and tricks are there. However this kit needed a small extra note because of the power header being in the way. This little note lies in the component bag. And I realize when writing this that when someone just buys the PCB and Panel I need to add this note to that aswell. Noted. :)
So the trimpots are there because using the not so exact regulator on the arduino nano clones sometimes skews the probability... So using the trimpots you can hone in so that when totally to one of the sides no gates are coming on the other channel. And as you say in your edit, its trial-and-error method that works best I guess. Shown in the video. I will add some note about this.
Thanks for the honest review :)

Bruce | Oct. 8, 2024

Martin | Oct. 3, 2024

Martin | Oct. 3, 2024

Mark | Oct. 2, 2024