Hackaday regular [befinitiv] wrote into the tip line to let us know about a hack you might enjoy, wireless UART output from a bare STM32 microcontroller. Desiring the full printf debugging experience, ...
The QSMP-23 module adds 1GB LPDDR4 RAM, 4GB eMMC and power management, integrated on a tiny footprint QFN package for EMC (electromagnetic compatibility), thermal and cost optimisations. The module is ...