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| connectivity = USB/serial, RS232 ...''' series are 1 channel switch-mode programmable power supplies with both USB/serial and RS232 connectivity.

...operation so it may lose samples''''', yet moving the device to a separate USB host or lowering the sample rate helps. ...ower. FT*H chips may provide ~20MHz sample rate over a reliable high speed USB link and (bursts of?) 60MHz using synchronous FIFO mode (not implemented in

...neither fit the Info page (which is USB centric, lsusb level, not so much USB requests during firmware operation). ...' gateway, translating USB requests for FPGA access into SPI bus requests. USB control OUT vendor class<br />

The '''GreatFET One''' is a USB connected versatile tool for USB analysis and other hardware research The device firmware is known for its efficient use of USB communication,

== Vendor USB protocol == ...riginal Saleae firmware, no longer used in sigrok, announces itself on the USB bus with the same vendor and product IDs, but with two endpoints: '''endpoi

| measurements = voltage, current, power, energy, voltage over USB data lines | features = measures USB devices; color display (26x26mm, 128x128px)

{{pd|usb_packet|USB packet|Universal Serial Bus (LS/FS) packet|USB (low-speed and full-speed) packet protocol.|PC|usb_signalling|usb_packet|su {{pd|usb_power_delivery|USB PD|USB Power Delivery|USB Power Delivery protocol.|PC|logic|usb_pd|supported}}