USB-Powered Seeed Studio XIAO nRF54L15 Module as Electrically Isolated Placeholder from TPS61088 Boost Converter Section

USB-Powered ESP32-C5 Indoor Air Quality Monitor with STCC4 CO2/SHT41 (I2C), PMS7003 (UART), AP2112K 3.3V LDO, Polyfuse Protection on 55×45 mm 2-Layer PCB