MicroSD

STM32H723-based CNC engraving machine control board with 4x TMC2160 drivers (24-56V/4.7A RMS), RepRapFirmware support, ESP32 WiFi, USB-C, RS-485, CAN bus, VFD spindle control, and relay output.

Libre Computer Alta (AML-A311D-CC) — Amlogic A311D hexa-core SBC with 4GB LPDDR4, 5 TOPS NPU, Mali-G52 GPU, 4× USB 3.0, Gigabit Ethernet with PoE, and 4K HDR HDMI 2.0 in a Pi-compatible form factor.

Libre Computer Renegade Elite (ROC-RK3399-PC) — Rockchip RK3399 SBC with dual Cortex-A72 + quad Cortex-A53, 4GB LPDDR4, M.2 PCIe, DisplayPort 1.2, HDMI 2.0, and UEFI BIOS in a 120×72mm form factor.

Libre Computer Solitude (AML-S905D3-CC) — Amlogic S905D3 quad-core Cortex-A55 SBC with 2/4GB LPDDR4, 1.2 TOPS NPU, 4× USB 3.0, Gigabit Ethernet with PoE, and 4K HDR HDMI 2.0 in a Pi-compatible layout.