Ethernet/USB counter module with 8/16 input counters and 2/4 output counters - Deditec
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USB-IO Module IWC6203 for Vector 4D People Counter | PCE Instruments
Data Translation DT9816-A USB Data Aquisition Module, 6 simultaneous A/I, 16 digital I/O, 1 counter/timer, 150 kS/s throu from Masterflex
Multi-channel data acquisition module - USB-6343 - NATIONAL INSTRUMENTS - benchtop / USB / digital I/O
USB-DIO-32-C1 | Acces I/O Digital I/O Module | ITM Components
Plug-and-Play USB DAQ Modules
Multi-channel data acquisition module - USB-6000 - NATIONAL INSTRUMENTS - benchtop / USB / digital I/O
USB DAQ 8AD 2DA 4DI 4DO 4PWM Counter Card for 2 axis Quadrature Encoder 12 bit Single ended differential module Labview|Instrument Parts & Accessories| - AliExpress
mini USB DAQ Data Acquisition Module 0 3.3V Analog 12 ADC, 2 DAC, digital 8DI 8DO, PWM input output, Counter, screw terminal|usb usb|screw usbmini usb mini usb - AliExpress
High-Speed Counter/Timer Devices with Digital I/O
Ethernet/USB counter module with 8/16 input counters and 2/4 output counters - Deditec
USB-CTR-15 USB Digital Counter/Timer Module
Overview / Features | CNT24-2(USB)GY | Counter USB I/O unit 2ch (24bit Up/Down count 500kHz) / Incremental encoder interface / Isolated | CONTEC
8-Channel High Speed Voltage Input USB Data Acquisition Modules
USB DAQ Data Acquisition Card 16 channel 16 bit 150Ksps Analog input AD, 2DA 8DI/8DO PWM Counter module|card card|ad cardad module - AliExpress
USB-2084 | 4/8-channel Digital Input Counter / Frequency / Encoder Module USB 2.0 Full-Speed and USB Bus powered. Plug-and-Play without drive. Lockable USB cable with temperatures between -25° C ~ 75°C (-13°F ~ 167°F) (RoHS).
Data Translation Econ DT9817 USB Digital I/O Module Counter/Timer 28 DIO 1 C/T* | eBay