Control eight relay channels via a computer USB port. Each relay can switch up to 230Vac @ 16 Amps. VDR noise suppressors. Free Windows test software plus DLL for own software development...Electronics > Circuit Boards & Components > Printed Circuit Boards > Development BoardsWMI8090WMI8090WMI8090541032972934971.99Quasar Electronics Limitedhttps://quasarelectronics.co.uk/Item/velleman-vm8090-8-channel-usb-relay-card-module
Whadda WMI8090 (Velleman VM8090) - 8-Channel USB Relay Card Module
Control eight relay channels via a computer USB port. Each high power relay is noise suppressed and can switch loads of up to 230Vac @ 16 Amps. Free Windows test software plus DLL for own software development. iOS app for iPhone / iPad also available.
On-board push buttons can be used to test/operate each relay. Header for external push button connection.
A DLL for own software development can be downloaded below along with the Windows test software and iOS apps.
Also available in SELF-ASSEMBLY Electronic Kit format (Order Code K8090).
USB-controlled relay card
manual operation for toggle, momentary or timer operation (selectable through software)
timer settings up to 18 hours (DLL function)
optional open collector connectivity (push button simulation)
DLL for own software development (download only)
event-driven and open protocol
two way PC communication (USB Event return)
Onboard test button for each relay plus header to external button connection
transient suppression VDR (type VDR300) fitted for use with inductive loads (not shown in product images)
LED indicators for USB & main power, USB data and individual relay status