Generic DC optocoupler with NPN phototransistor output, pins order: anode/cathode/emitter/collector
A1
RaspberryPi_Pico2
SC1631 - High-performance microcontroller module featuring the RP2350 chip; dual-core ARM Cortex-M33 or Hazard3 RISC-V processors up to 150 MHz, 520kB SRAM, and 4MB off-chip QSPI flash