The 74LV393 is a low-voltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT393. The 74LV393 is a dual 4-bit binary ripple counter with separate clocks (1CP, 2CP) and master reset ...
When you’re debugging a board which has an ESP32, Raspberry Pi, or Arduino, it’s easy to slap on a small LCD display or connect via WiFi to see what’s wrong. At least, that’s what the kids are doing.