The good news is that the ATmega168 chips being used have a built-in interrupt based SPI protocol.

Microchip's HID-class MCP2210 USB to SPI protocol converter is the simplest, smallest-footprint and most cost-effective option for adding USB-Certified connectivity to SPI-based systems.

Support for the industry standard Serial Peripheral Interface (SPI) protocol improves ease-of-use and supports a smaller footprint and lower pin count. Serial protocols are increasingly used in ...

Woodcliff Lake, New Jersey — November 19, 2024 — Semiconductor intellectual property provider CAST, in collaboration with Silesia Devices, today announced a new IP core that implements the Serial ...