This is why I recommend buying this setup, because knocking off the WiFi/BT controller is easier than installing the GPIO pins. Re: this model, unlike the 1.3, comes with a WiFi/BT chip that is easily disabled. https://image.nostr.build/0ce4403f841172d068d45a8595e0dfac4629fcce0ffe55ca92e54fc84d41ff4b.jpg https://www.adafruit.com/product/3708?gad_source=1&gclid=CjwKCAjwrcKxBhBMEiwAIVF8rLBSaPQD36ybUA32NnCe75TFC9i73DNcOVmM9bzjt3n_QgW5JXw82hoCK1UQAvD_BwE
Best way to build your own SeedSigner is to start with purchasing this 16$ Raspberry Pi setup ✅ nostr:nevent1qqswh89vjtjp0w4l6xfh8jr3e8xql2pvv4zpspqpxqukcduycyup6vqpr3mhxue69uhkummnw3ex2mrp0yh8jet8dpex7tnnd96x2gqzyr3zvzn67vanhgcqwsg3c3t8j080trf2ks79jedahdj4ly8ewwv6cqcyqqqqqqgdjj6jv