Gavin Smith's Blog https://gavinhsmith.com/blog Posts from Gavin Smith en TINCLIB: Wi-Fi and HTTPS for a calculator with no radio https://gavinhsmith.com/blog/2026/10/20/tinclib https://gavinhsmith.com/blog/2026/10/20/tinclib Tue, 20 Oct 2026 12:00:00 GMT How I gave the TI-84 Plus CE verified HTTPS using an ESP8266 board, a custom serial protocol and a lot of very small buffers. embedded c protocol-design esp8266 ti-84-plus-ce