NuStamp-ACK-M031LE

M031LE3AE full pins extension 1.27 mm stamp hole design
M031LE3AE 2.54 mm standard pinhole of odd number pins
External VDD and GND connector
39.5 mm * 22.5 mm small size design
Debug via SWD interface
Quickly connect to Amazon cloud services
Convenient remote control environment setup