Forgix Packs RP2354 MCU and Trion T8 FPGA into a $50 Teensy-Size Board
https://www.electronics-lab.com/forgix-packs-rp2354-mcu-and-trion-t8-fpga-into-a-50-teensy-size-board/
Adiuvo Engineering's Forgix combines a Raspberry Pi RP2354, Efinix Trion T8 FPGA, 2MB flash, PSRAM, and USB-C in a compact development board for $50.
Romu is a Tiny RP2354A USB Development Board for Embedded Projects
https://www.electronics-lab.com/romu-is-a-tiny-rp2354a-usb-development-board-for-embedded-projects/
A keychain-sized USB Type-A board built around the RP2354A MCU with MicroPython support, RGB LED, capacitive touch input, and debugging features.