USB-PIO offen
USB-PIO oben

24 Channels. Digital. Output & Monitoring.

Record and output digital TTL signals. The USB-PIO features three 8-bit bidirectional ports. The port lines are led out to a 25-pin D-Sub female connector.

Extra Small. Extra Red. Extra Low-Priced.

The unique idea of the USB-PIO: The data acquisition system is accomodated in the D-Sub connector housing. Not only the size is extra small but also the price.

Plug & Play.

The connection to the PC is realized via USB. The USB-PIO provides all typical USB features (e.g. Plug&Play, Hot-Plug). Up to 127 devices can be connected and installed during operation.

Powered by USB.

The device is supplied with power via the USB interface. This reduces cabling efforts to a minimum and makes mobile measurements a lot easier.

Optimal for Windows.

The drivers and programming interface is optimized for 64Bit under Windows® 10/11. All software for installation and programming of the USB-PIO is included free of charge.

NextView. Try for Free.

The DAQ system is supported by NextView, the software for data acquisition and analysis. A fully functional 14-day trial can be requested under So it is possible, to directly test the functionality of the device.

Get Connected.

Various optocoupler and relay cards are available at bmcm to electrically isolate the digital lines. Particularly easy for the USB-PIO, as only a 25-pin D-Sub extension cable is needed for connecting.

The most important functions in a nutshell. For technical details see the relating data sheet (PDF).

  •   24 digital channels (TTL/CMOS)
  •   3 ports (8-bit), bidirectional
  •   bus-powered
  •   USB 2.0, full-speed
  •   device integrated in compact D-Sub housing

Hardware and Software from One Hand

Drivers and programming support are naturally included with all DAQ systems for free and can be downloaded from this website.

bmcm Driver Package

USB/PCI/PCIe data acquisition hardware always requires the installation of a device driver to be accessible by software. By providing a free bmcm driver package, the device installation has to be done only once - additional DAQ hardware is installed automatically. 

Simply NextView

For all who want to start right away: View and store signals, configure the measurement system, process measuring data and much more. 
Test all features of the data ac­qui­sition software 14 days for free! As a premium member of bmcm you can test all functionalitys of NextView for 30 days. 

Simply LIBAD

Programming leanly and quickly: Use bmcm data acquisition systems in your own programs. The hardware independent programming interface (API) LIBAD4 is available as DLL in 64 Bit (Windows 10/11).


Digital I/O device (USB), 16/16 Digital I/O, isolated, 2 counters


Digital I/O module (USB), 24 Dig I/O, OEM version


USB data acquisition system (160Hz, 12 bit)


NextView 5 Professional (single license)


NV Lite
NextView 5 Lite (single license)


Optocoupler/relay card (IN: 5..30V, OUT: 6A/60V)


D-Sub 25 connecting cable (male/female)

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