The 600 MHz STM32H7R/S Cortex-M7 microcontroller family with an optional NeoChrom 2.5D GPU and up to 640 KB SRAM and 64 KB flash was introduced in 2024. However, apart from ST’s own development boards such as the NUCLEO-H7S3L8 and STM32H7S78-DK, we hadn’t seen any boards based on it.The ART-Pi II development board changes that. It’s a compact board powered by an STM32H7R7L8H microcontroller paired with 32 MB HyperRAM and 64 MB HyperFlash, and featuring a microSD card slot, WiFi 4 and Bluetooth 5.1 connectivity, two USB-C ports (OTG and Debug), a 40-pin Raspberry Pi-compatible GPIO header, a 28-pin GPIO header, two Qwiic connectors, and an on-board debugger.ART-Pi II board specifications:
MCU – STMicro STM32H7R7L8H
CPU core – Arm Cortex-M7 @ up to 600 MHz
GPU – NeoChrom 2.5D GPU
Memory – 64 KB flash






