OrangeCrab, from GsD

The OrangeCrab is an Adafruit Feather compatible SBC based on the Lattice ECP5 FPGA. The FPGA can emulate various CPU architectures, notably RISC-V. It's equipped with 128MB DDR3L, a microSD slot, and I/O that the FPGA can assign as GPIOs, ADC, PWM, I2C, SPI, UART, and more.