The Seeed Studio XIAO nRF54LM20A Sense is a tiny, ultra-low-power board based on Nordic Semiconductor's nRF54LM20A SoC. It features:

• Arm Cortex-M33 processor running at 128 MHz
• 512 KB RAM
• 2 MB of integrated NVM
• RISC-V coprocessor running at 128 MHz
• Wireless connectivity