USB-DIO24-CTR6 USB 24 Digital I/O Module w/Counters - ACCES I/O Products
Mini Usb Daq Data Acquisition Module 0-3.3v Analog 12 Adc, 2 Dac, Digital 8di 8do, Pwm Input Output, Counter, Screw Terminal - Pc Hardware Cables & Adapters - AliExpress
Digital Input Counter/Frequency/Encoder Module USB-2084
Mini LCD Digital Counter Module DC/AC5V~24V Electronic Totalizer with NPN and PNP Signal Interface 1~999999 Times Counting Range: Amazon.com: Tools & Home Improvement
USB-DIO-32 USB 32-Bit Digital Input/Output Module - ACCES I/O Products