![USB-6501 datasheet(2/5 Pages) NI | Small, portable digital I/O device/24 digital I/O lines, one 32-bit counter USB-6501 datasheet(2/5 Pages) NI | Small, portable digital I/O device/24 digital I/O lines, one 32-bit counter](https://html.alldatasheet.com/htmldatasheet2/393729/NI/USB-6501/56/2/USB-6501.png)
USB-6501 datasheet(2/5 Pages) NI | Small, portable digital I/O device/24 digital I/O lines, one 32-bit counter
![National Instruments USB-6501 24-Channel 32-Bit Counter Digital I/O Device 8.5 mA | RecycledGoods.com National Instruments USB-6501 24-Channel 32-Bit Counter Digital I/O Device 8.5 mA | RecycledGoods.com](https://cdn11.bigcommerce.com/s-a1x7hg2jgk/images/stencil/1280x1280/products/16839/89403/national-instruments-usb-6501-24-channel-32-bit-counter-digital-io-device-8.5-ma-1.40__85446.1490107431.jpg?c=2)
National Instruments USB-6501 24-Channel 32-Bit Counter Digital I/O Device 8.5 mA | RecycledGoods.com
![NI USB 6501 AND RELAY CARD WIRING | Best video for LabVIEW software learning with hardware. - YouTube NI USB 6501 AND RELAY CARD WIRING | Best video for LabVIEW software learning with hardware. - YouTube](https://i.ytimg.com/vi/P6sF8_eKTBM/hqdefault.jpg?sqp=-oaymwEmCOADEOgC8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGHIgTSgzMA8=&rs=AOn4CLCTD_kapUvg0TnvTRKB6C_1cpE8dA)
NI USB 6501 AND RELAY CARD WIRING | Best video for LabVIEW software learning with hardware. - YouTube
![Buy Free shipping! NI USB 6501 USB bus switch card IO card 192317 50 [One year warranty] Tested working from Reliable switch events suppliers Buy Free shipping! NI USB 6501 USB bus switch card IO card 192317 50 [One year warranty] Tested working from Reliable switch events suppliers](https://www.aliaecshop.com/image/cache/Products/class3/gs9x3gwvhd-1491482485-500x500.jpg)