So some good news, it is worked.
I tried Tindie for the "coasters", listed 5 of them, and by the end of the day all sold and shipped.
It looks like they took around 10% in payment processing and their fees, not too surprised.
Now I have the challenges of sorting payment and VAT. I am sure I can, but I need to blog that I am sure.
It seems payment is Paypal, and PayPal sending to my bank account wants open banking access to see all transactions (WTAF?). Trying to add an account with no txns fails, what a surprise! So we need to sort that.
No clue of VAT, so will err on the side of HMRC to be on the safe side I expect. Invoice matching what is shipped.
But the next plan for Tindie is exactly as I said - some small volume boards, from time to time, and the example is an IronMan controller board.
I only need one, and maybe one as a spare, for a mate of my son that does IronMan at events and parties and so on. He has a suit. But the tech is all crap and broken.
So we can do way better, we already sorted the helmet, but the "chest" has speakers, a button, and several LEDs, which means more than one string (one RGBW and one RGB at least). The arc reactor has a nice outside ring with bright RGBW, and some inner RGB, but also a load of single "pixel" WS2812 in the suit.
So the board has :-
- ESP32S3-MINI-1-N4-R2 processor - Dual CPU, 4M flash, 2M SPI RAM
- Four LED outputs, well, they are just GPIO with an ESD diode, and power from USB-C and a big cap on the power from USB
- Two inputs, again GPIO with ESD diode, and 10k pull up, but suitable as buttons
- USB-C to power it all and do loading code, debug, etc
- Two (stereo) speaker outputs MAX98357A
- Two (stereo) microphones TDK ICS 43434 (not needed for Iron Man but cool, so did anyway)
- Micro SD card (for WAV files for the speakers).
- All WAGO connectors.
So plan is we use one, one spare, and 8 on Tindie. We'll see how that goes.
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