Interesting, I think the board that you using has the same kind of, or
close chip that I use. (It’s not a secret, I use a Intersil TW2837)
The current prototype board is 50g, but the release one will be around 40g
(thinner PCB, less pin connectors). Plus a 10-15g 3d printed enclosure.
Could you give me a link to the PIP board that you using ?